diff --git a/packages/remark-parse/lib/tokenize/definition.js b/packages/remark-parse/lib/tokenize/definition.js
index 1cce274cf..3f9e51a64 100644
--- a/packages/remark-parse/lib/tokenize/definition.js
+++ b/packages/remark-parse/lib/tokenize/definition.js
@@ -255,6 +255,7 @@ function definition(eat, value, silent) {
     return eat(subvalue)({
       type: 'definition',
       identifier: normalize(identifier),
+      label: identifier,
       title: title || null,
       url: url
     });
diff --git a/packages/remark-parse/lib/tokenize/footnote-definition.js b/packages/remark-parse/lib/tokenize/footnote-definition.js
index f48ff9bb7..4174a129f 100644
--- a/packages/remark-parse/lib/tokenize/footnote-definition.js
+++ b/packages/remark-parse/lib/tokenize/footnote-definition.js
@@ -93,7 +93,7 @@ function footnoteDefinition(eat, value, silent) {
     return true;
   }
 
-  identifier = normalize(queue);
+  identifier = queue;
   subvalue += queue + C_BRACKET_CLOSE + C_COLON;
   index = subvalue.length;
 
@@ -179,7 +179,8 @@ function footnoteDefinition(eat, value, silent) {
 
   return add({
     type: 'footnoteDefinition',
-    identifier: identifier,
+    identifier: normalize(identifier),
+    label: identifier,
     children: content
   });
 }
diff --git a/packages/remark-parse/lib/tokenize/reference.js b/packages/remark-parse/lib/tokenize/reference.js
index 0db5eb3c6..27947dbe4 100644
--- a/packages/remark-parse/lib/tokenize/reference.js
+++ b/packages/remark-parse/lib/tokenize/reference.js
@@ -193,7 +193,8 @@ function reference(eat, value, silent) {
 
   node = {
     type: type + 'Reference',
-    identifier: normalize(identifier)
+    identifier: normalize(identifier),
+    label: identifier
   };
 
   if (type === T_LINK || type === T_IMAGE) {
diff --git a/packages/remark-stringify/lib/util/label.js b/packages/remark-stringify/lib/util/label.js
index bf6f5876b..e4fe8460e 100644
--- a/packages/remark-stringify/lib/util/label.js
+++ b/packages/remark-stringify/lib/util/label.js
@@ -10,7 +10,10 @@ module.exports = label;
  * changes. */
 function label(node) {
   var type = node.referenceType;
-  var value = type === 'full' ? node.identifier : '';
 
-  return type === 'shortcut' ? value : '[' + value + ']';
+  if (type === 'shortcut') {
+    return '';
+  }
+
+  return type === 'collapsed' ? '[]' : '[' + (node.label || node.identifier) + ']';
 }
diff --git a/packages/remark-stringify/lib/visitors/definition.js b/packages/remark-stringify/lib/visitors/definition.js
index 0fc855560..d6abb2ab4 100644
--- a/packages/remark-stringify/lib/visitors/definition.js
+++ b/packages/remark-stringify/lib/visitors/definition.js
@@ -19,5 +19,5 @@ function definition(node) {
     content += ' ' + title(node.title);
   }
 
-  return '[' + node.identifier + ']: ' + content;
+  return '[' + (node.label || node.identifier) + ']: ' + content;
 }
diff --git a/packages/remark-stringify/lib/visitors/footnote-definition.js b/packages/remark-stringify/lib/visitors/footnote-definition.js
index 158f98ed9..a2e5daad8 100644
--- a/packages/remark-stringify/lib/visitors/footnote-definition.js
+++ b/packages/remark-stringify/lib/visitors/footnote-definition.js
@@ -5,8 +5,7 @@ var repeat = require('repeat-string');
 module.exports = footnoteDefinition;
 
 function footnoteDefinition(node) {
-  var id = node.identifier.toLowerCase();
   var content = this.all(node).join('\n\n' + repeat(' ', 4));
 
-  return '[^' + id + ']: ' + content;
+  return '[^' + (node.label || node.identifier) + ']: ' + content;
 }
diff --git a/packages/remark-stringify/lib/visitors/footnote-reference.js b/packages/remark-stringify/lib/visitors/footnote-reference.js
index c6dccc4cd..b1273b447 100644
--- a/packages/remark-stringify/lib/visitors/footnote-reference.js
+++ b/packages/remark-stringify/lib/visitors/footnote-reference.js
@@ -3,5 +3,5 @@
 module.exports = footnoteReference;
 
 function footnoteReference(node) {
-  return '[^' + node.identifier + ']';
+  return '[^' + (node.label || node.identifier) + ']';
 }
diff --git a/packages/remark-stringify/lib/visitors/link-reference.js b/packages/remark-stringify/lib/visitors/link-reference.js
index a8e52a4d4..b8b7cc9d3 100644
--- a/packages/remark-stringify/lib/visitors/link-reference.js
+++ b/packages/remark-stringify/lib/visitors/link-reference.js
@@ -14,7 +14,7 @@ function linkReference(node) {
   exit();
 
   if (type === 'shortcut' || type === 'collapsed') {
-    value = copy(value, node.identifier);
+    value = copy(value, node.label || node.identifier);
   }
 
   return '[' + value + ']' + label(node);
diff --git a/test/fixtures/input/footnote-proto.nooutput.text b/test/fixtures/input/footnote-proto.text
similarity index 100%
rename from test/fixtures/input/footnote-proto.nooutput.text
rename to test/fixtures/input/footnote-proto.text
diff --git a/test/fixtures/tree/amps-and-angles-encoding.json b/test/fixtures/tree/amps-and-angles-encoding.json
index 98ba2e4e4..97fd4b776 100644
--- a/test/fixtures/tree/amps-and-angles-encoding.json
+++ b/test/fixtures/tree/amps-and-angles-encoding.json
@@ -233,6 +233,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -322,6 +323,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -569,6 +571,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://example.com/?foo=1&bar=2",
       "position": {
@@ -588,6 +591,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": "AT&T",
       "url": "http://att.com/",
       "position": {
diff --git a/test/fixtures/tree/auto-link-url.nogfm.json b/test/fixtures/tree/auto-link-url.nogfm.json
index 6543edaa4..63cf3bc77 100644
--- a/test/fixtures/tree/auto-link-url.nogfm.json
+++ b/test/fixtures/tree/auto-link-url.nogfm.json
@@ -59,6 +59,7 @@
         {
           "type": "linkReference",
           "identifier": "world",
+          "label": "world",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/case-insensitive-refs.json b/test/fixtures/tree/case-insensitive-refs.json
index e9a5b9722..3142ea6a1 100644
--- a/test/fixtures/tree/case-insensitive-refs.json
+++ b/test/fixtures/tree/case-insensitive-refs.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hi",
+          "label": "hi",
           "referenceType": "shortcut",
           "children": [
             {
@@ -59,6 +60,7 @@
     {
       "type": "definition",
       "identifier": "hi",
+      "label": "HI",
       "title": null,
       "url": "/url",
       "position": {
diff --git a/test/fixtures/tree/def-blocks.commonmark.json b/test/fixtures/tree/def-blocks.commonmark.json
index 07649e888..bad8410a3 100644
--- a/test/fixtures/tree/def-blocks.commonmark.json
+++ b/test/fixtures/tree/def-blocks.commonmark.json
@@ -29,6 +29,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -158,6 +159,7 @@
             {
               "type": "linkReference",
               "identifier": "2",
+              "label": "2",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -315,6 +317,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "3",
+                  "label": "3",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -449,6 +452,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "4",
+                  "label": "4",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -580,6 +584,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/def-blocks.json b/test/fixtures/tree/def-blocks.json
index aa75ea77a..c0254c7b9 100644
--- a/test/fixtures/tree/def-blocks.json
+++ b/test/fixtures/tree/def-blocks.json
@@ -45,6 +45,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -200,6 +201,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "hello",
       "position": {
@@ -288,6 +290,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "3",
+                  "label": "3",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -465,6 +468,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "hello",
       "position": {
@@ -543,6 +547,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "foo",
       "position": {
diff --git a/test/fixtures/tree/definition-newline.commonmark.json b/test/fixtures/tree/definition-newline.commonmark.json
index d9a6a4488..e82ee82b6 100644
--- a/test/fixtures/tree/definition-newline.commonmark.json
+++ b/test/fixtures/tree/definition-newline.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -83,6 +84,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -159,6 +161,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -216,6 +219,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -291,6 +295,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "foo\nbar",
       "url": "/url",
       "position": {
@@ -312,6 +317,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "foo\nbar",
       "url": "/url",
       "position": {
@@ -336,6 +342,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/definition-newline.json b/test/fixtures/tree/definition-newline.json
index f2e198dbc..6d43b85eb 100644
--- a/test/fixtures/tree/definition-newline.json
+++ b/test/fixtures/tree/definition-newline.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -83,6 +84,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -159,6 +161,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -232,6 +235,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "foo\nbar",
       "url": "/url",
       "position": {
@@ -253,6 +257,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "foo\nbar",
       "url": "/url",
       "position": {
@@ -274,6 +279,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "foo\nbar",
       "url": "/url",
       "position": {
@@ -298,6 +304,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/definition-unclosed-attribute.json b/test/fixtures/tree/definition-unclosed-attribute.json
index 4bb12e91d..e36b83dec 100644
--- a/test/fixtures/tree/definition-unclosed-attribute.json
+++ b/test/fixtures/tree/definition-unclosed-attribute.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -223,6 +226,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -295,6 +299,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -367,6 +372,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -439,6 +445,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -545,6 +552,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -651,6 +659,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/definition-unclosed.commonmark.json b/test/fixtures/tree/definition-unclosed.commonmark.json
index 490209d26..6a4815c0f 100644
--- a/test/fixtures/tree/definition-unclosed.commonmark.json
+++ b/test/fixtures/tree/definition-unclosed.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/definition-unclosed.json b/test/fixtures/tree/definition-unclosed.json
index c6df27147..5d2c0ccaf 100644
--- a/test/fixtures/tree/definition-unclosed.json
+++ b/test/fixtures/tree/definition-unclosed.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -76,6 +77,7 @@
     {
       "type": "definition",
       "identifier": "bar",
+      "label": "bar",
       "title": null,
       "url": "</url",
       "position": {
@@ -98,6 +100,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/definition-url-entities.json b/test/fixtures/tree/definition-url-entities.json
index fdfc1dc2f..30ec73140 100644
--- a/test/fixtures/tree/definition-url-entities.json
+++ b/test/fixtures/tree/definition-url-entities.json
@@ -4,6 +4,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": null,
       "url": "http://www.example.com?param=1&region=here",
       "position": {
diff --git a/test/fixtures/tree/entities-advanced.commonmark.json b/test/fixtures/tree/entities-advanced.commonmark.json
index 20436e555..229c4ef3f 100644
--- a/test/fixtures/tree/entities-advanced.commonmark.json
+++ b/test/fixtures/tree/entities-advanced.commonmark.json
@@ -885,6 +885,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -949,6 +950,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -1167,6 +1169,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.commonmark.pedantic.json b/test/fixtures/tree/entities-advanced.commonmark.pedantic.json
index 20436e555..229c4ef3f 100644
--- a/test/fixtures/tree/entities-advanced.commonmark.pedantic.json
+++ b/test/fixtures/tree/entities-advanced.commonmark.pedantic.json
@@ -885,6 +885,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -949,6 +950,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -1167,6 +1169,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.json b/test/fixtures/tree/entities-advanced.json
index 9de9f0790..855357f39 100644
--- a/test/fixtures/tree/entities-advanced.json
+++ b/test/fixtures/tree/entities-advanced.json
@@ -749,6 +749,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -792,6 +793,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -990,6 +992,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.nogfm.commonmark.json b/test/fixtures/tree/entities-advanced.nogfm.commonmark.json
index 0abb83103..2a5c515d5 100644
--- a/test/fixtures/tree/entities-advanced.nogfm.commonmark.json
+++ b/test/fixtures/tree/entities-advanced.nogfm.commonmark.json
@@ -850,6 +850,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -914,6 +915,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -1078,6 +1080,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.nogfm.commonmark.pedantic.json b/test/fixtures/tree/entities-advanced.nogfm.commonmark.pedantic.json
index 0abb83103..2a5c515d5 100644
--- a/test/fixtures/tree/entities-advanced.nogfm.commonmark.pedantic.json
+++ b/test/fixtures/tree/entities-advanced.nogfm.commonmark.pedantic.json
@@ -850,6 +850,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -914,6 +915,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -1078,6 +1080,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.nogfm.json b/test/fixtures/tree/entities-advanced.nogfm.json
index ca405ccea..7bfc493bd 100644
--- a/test/fixtures/tree/entities-advanced.nogfm.json
+++ b/test/fixtures/tree/entities-advanced.nogfm.json
@@ -714,6 +714,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -757,6 +758,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -901,6 +903,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.nogfm.pedantic.json b/test/fixtures/tree/entities-advanced.nogfm.pedantic.json
index ca405ccea..7bfc493bd 100644
--- a/test/fixtures/tree/entities-advanced.nogfm.pedantic.json
+++ b/test/fixtures/tree/entities-advanced.nogfm.pedantic.json
@@ -714,6 +714,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -757,6 +758,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -901,6 +903,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities-advanced.pedantic.json b/test/fixtures/tree/entities-advanced.pedantic.json
index 9de9f0790..855357f39 100644
--- a/test/fixtures/tree/entities-advanced.pedantic.json
+++ b/test/fixtures/tree/entities-advanced.pedantic.json
@@ -749,6 +749,7 @@
             {
               "type": "imageReference",
               "identifier": "12",
+              "label": "12",
               "referenceType": "full",
               "alt": "\n  l©nks\n",
               "position": {
@@ -792,6 +793,7 @@
             {
               "type": "linkReference",
               "identifier": "1",
+              "label": "1",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -990,6 +992,7 @@
             {
               "type": "linkReference",
               "identifier": " 1 ",
+              "label": "\n  1\n",
               "referenceType": "shortcut",
               "children": [
                 {
diff --git a/test/fixtures/tree/entities.output.entities.json b/test/fixtures/tree/entities.output.entities.json
index 5eefe0ed1..878b12f01 100644
--- a/test/fixtures/tree/entities.output.entities.json
+++ b/test/fixtures/tree/entities.output.entities.json
@@ -1797,6 +1797,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with entity",
           "position": {
@@ -1833,6 +1834,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with numeric entity",
           "position": {
@@ -1869,6 +1871,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T without entity",
           "position": {
@@ -1920,6 +1923,7 @@
     {
       "type": "definition",
       "identifier": "favicon",
+      "label": "favicon",
       "title": "ATT favicon",
       "url": "http://att.com/fav.ico",
       "position": {
@@ -1977,6 +1981,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2031,6 +2036,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2085,6 +2091,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2173,6 +2180,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2276,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "foo&bar",
+      "label": "foo&bar",
       "title": null,
       "url": "http://example.com",
       "position": {
@@ -2295,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "foo&amp;bar",
+      "label": "foo&amp;bar",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/entities.output.entities=escape.json b/test/fixtures/tree/entities.output.entities=escape.json
index f27366244..94dc2bb0b 100644
--- a/test/fixtures/tree/entities.output.entities=escape.json
+++ b/test/fixtures/tree/entities.output.entities=escape.json
@@ -1763,6 +1763,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with entity",
           "position": {
@@ -1799,6 +1800,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with numeric entity",
           "position": {
@@ -1835,6 +1837,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T without entity",
           "position": {
@@ -1886,6 +1889,7 @@
     {
       "type": "definition",
       "identifier": "favicon",
+      "label": "favicon",
       "title": "ATT favicon",
       "url": "http://att.com/fav.ico",
       "position": {
@@ -1943,6 +1947,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1997,6 +2002,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2051,6 +2057,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2139,6 +2146,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2242,6 +2250,7 @@
     {
       "type": "definition",
       "identifier": "foo&bar",
+      "label": "foo&bar",
       "title": null,
       "url": "http://example.com",
       "position": {
@@ -2261,6 +2270,7 @@
     {
       "type": "definition",
       "identifier": "foo&amp;bar",
+      "label": "foo&amp;bar",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/entities.output.entities=numbers.json b/test/fixtures/tree/entities.output.entities=numbers.json
index 041f83fce..3a48bfd7e 100644
--- a/test/fixtures/tree/entities.output.entities=numbers.json
+++ b/test/fixtures/tree/entities.output.entities=numbers.json
@@ -1797,6 +1797,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with entity",
           "position": {
@@ -1833,6 +1834,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with numeric entity",
           "position": {
@@ -1869,6 +1871,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T without entity",
           "position": {
@@ -1920,6 +1923,7 @@
     {
       "type": "definition",
       "identifier": "favicon",
+      "label": "favicon",
       "title": "ATT favicon",
       "url": "http://att.com/fav.ico",
       "position": {
@@ -1977,6 +1981,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2031,6 +2036,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2085,6 +2091,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2173,6 +2180,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2276,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "foo&bar",
+      "label": "foo&bar",
       "title": null,
       "url": "http://example.com",
       "position": {
@@ -2295,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "foo&amp;bar",
+      "label": "foo&amp;bar",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/entities.output.noentities.json b/test/fixtures/tree/entities.output.noentities.json
index 33b66ba16..eaf5f0672 100644
--- a/test/fixtures/tree/entities.output.noentities.json
+++ b/test/fixtures/tree/entities.output.noentities.json
@@ -1559,6 +1559,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with entity",
           "position": {
@@ -1595,6 +1596,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T with numeric entity",
           "position": {
@@ -1631,6 +1633,7 @@
         {
           "type": "imageReference",
           "identifier": "favicon",
+          "label": "favicon",
           "referenceType": "full",
           "alt": "AT&T without entity",
           "position": {
@@ -1682,6 +1685,7 @@
     {
       "type": "definition",
       "identifier": "favicon",
+      "label": "favicon",
       "title": "ATT favicon",
       "url": "http://att.com/fav.ico",
       "position": {
@@ -1739,6 +1743,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1793,6 +1798,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&bar",
+          "label": "foo&bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1847,6 +1853,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1935,6 +1942,7 @@
         {
           "type": "linkReference",
           "identifier": "foo&amp;bar",
+          "label": "foo&amp;bar",
           "referenceType": "collapsed",
           "children": [
             {
@@ -2038,6 +2046,7 @@
     {
       "type": "definition",
       "identifier": "foo&bar",
+      "label": "foo&bar",
       "title": null,
       "url": "http://example.com",
       "position": {
@@ -2057,6 +2066,7 @@
     {
       "type": "definition",
       "identifier": "foo&amp;bar",
+      "label": "foo&amp;bar",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/footnote-consecutive.footnotes.json b/test/fixtures/tree/footnote-consecutive.footnotes.json
index ec4984a54..6455b6e99 100644
--- a/test/fixtures/tree/footnote-consecutive.footnotes.json
+++ b/test/fixtures/tree/footnote-consecutive.footnotes.json
@@ -25,6 +25,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -77,6 +78,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 3,
@@ -94,6 +96,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki2",
+          "label": "wiki2",
           "position": {
             "start": {
               "line": 3,
@@ -128,6 +131,7 @@
         {
           "type": "footnoteReference",
           "identifier": "name",
+          "label": "name",
           "position": {
             "start": {
               "line": 3,
@@ -145,6 +149,7 @@
         {
           "type": "footnoteReference",
           "identifier": "consecutive",
+          "label": "consecutive",
           "position": {
             "start": {
               "line": 3,
@@ -229,6 +234,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
@@ -283,6 +289,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki2",
+      "label": "wiki2",
       "children": [
         {
           "type": "paragraph",
@@ -337,6 +344,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "name",
+      "label": "name",
       "children": [
         {
           "type": "paragraph",
@@ -391,6 +399,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "consecutive",
+      "label": "consecutive",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-consecutive.footnotes.pedantic.json b/test/fixtures/tree/footnote-consecutive.footnotes.pedantic.json
index ec4984a54..6455b6e99 100644
--- a/test/fixtures/tree/footnote-consecutive.footnotes.pedantic.json
+++ b/test/fixtures/tree/footnote-consecutive.footnotes.pedantic.json
@@ -25,6 +25,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -77,6 +78,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 3,
@@ -94,6 +96,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki2",
+          "label": "wiki2",
           "position": {
             "start": {
               "line": 3,
@@ -128,6 +131,7 @@
         {
           "type": "footnoteReference",
           "identifier": "name",
+          "label": "name",
           "position": {
             "start": {
               "line": 3,
@@ -145,6 +149,7 @@
         {
           "type": "footnoteReference",
           "identifier": "consecutive",
+          "label": "consecutive",
           "position": {
             "start": {
               "line": 3,
@@ -229,6 +234,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
@@ -283,6 +289,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki2",
+      "label": "wiki2",
       "children": [
         {
           "type": "paragraph",
@@ -337,6 +344,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "name",
+      "label": "name",
       "children": [
         {
           "type": "paragraph",
@@ -391,6 +399,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "consecutive",
+      "label": "consecutive",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-consecutive.json b/test/fixtures/tree/footnote-consecutive.json
index 79013833e..91a42c609 100644
--- a/test/fixtures/tree/footnote-consecutive.json
+++ b/test/fixtures/tree/footnote-consecutive.json
@@ -25,6 +25,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -97,6 +98,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki2",
+          "label": "^wiki2",
           "referenceType": "full",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "linkReference",
           "identifier": "^consecutive",
+          "label": "^consecutive",
           "referenceType": "full",
           "children": [
             {
@@ -258,6 +261,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -314,6 +318,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki2",
+          "label": "^wiki2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -370,6 +375,7 @@
         {
           "type": "linkReference",
           "identifier": "^name",
+          "label": "^name",
           "referenceType": "shortcut",
           "children": [
             {
@@ -426,6 +432,7 @@
         {
           "type": "linkReference",
           "identifier": "^consecutive",
+          "label": "^consecutive",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-duplicate.footnotes.json b/test/fixtures/tree/footnote-duplicate.footnotes.json
index 2e87602fb..2c9267f62 100644
--- a/test/fixtures/tree/footnote-duplicate.footnotes.json
+++ b/test/fixtures/tree/footnote-duplicate.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
@@ -127,6 +129,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-duplicate.footnotes.pedantic.json b/test/fixtures/tree/footnote-duplicate.footnotes.pedantic.json
index 2e87602fb..2c9267f62 100644
--- a/test/fixtures/tree/footnote-duplicate.footnotes.pedantic.json
+++ b/test/fixtures/tree/footnote-duplicate.footnotes.pedantic.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
@@ -127,6 +129,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-duplicate.json b/test/fixtures/tree/footnote-duplicate.json
index ba6022b0c..64ca743b0 100644
--- a/test/fixtures/tree/footnote-duplicate.json
+++ b/test/fixtures/tree/footnote-duplicate.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -152,6 +154,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-duplicate.pedantic.json b/test/fixtures/tree/footnote-duplicate.pedantic.json
index ba6022b0c..64ca743b0 100644
--- a/test/fixtures/tree/footnote-duplicate.pedantic.json
+++ b/test/fixtures/tree/footnote-duplicate.pedantic.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -152,6 +154,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-escape.footnotes.json b/test/fixtures/tree/footnote-escape.footnotes.json
index 5de359ac2..0c6c096b5 100644
--- a/test/fixtures/tree/footnote-escape.footnotes.json
+++ b/test/fixtures/tree/footnote-escape.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wi\\-ki",
+          "label": "wi\\-ki",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wi\\-ki",
+      "label": "wi\\-ki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-escape.json b/test/fixtures/tree/footnote-escape.json
index 935064388..91d3c4463 100644
--- a/test/fixtures/tree/footnote-escape.json
+++ b/test/fixtures/tree/footnote-escape.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^wi\\-ki",
+          "label": "^wi\\-ki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -130,6 +131,7 @@
         {
           "type": "linkReference",
           "identifier": "^wi\\-ki",
+          "label": "^wi\\-ki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-ids.footnotes.json b/test/fixtures/tree/footnote-ids.footnotes.json
index deaf32141..b5680c4b7 100644
--- a/test/fixtures/tree/footnote-ids.footnotes.json
+++ b/test/fixtures/tree/footnote-ids.footnotes.json
@@ -76,6 +76,7 @@
         {
           "type": "footnoteReference",
           "identifier": "1",
+          "label": "1",
           "position": {
             "start": {
               "line": 1,
@@ -125,6 +126,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "1",
+      "label": "1",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-ids.json b/test/fixtures/tree/footnote-ids.json
index 44e20ed22..0e522e5e8 100644
--- a/test/fixtures/tree/footnote-ids.json
+++ b/test/fixtures/tree/footnote-ids.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^the generated",
+          "label": "^the generated",
           "referenceType": "shortcut",
           "children": [
             {
@@ -78,6 +79,7 @@
         {
           "type": "linkReference",
           "identifier": "^1",
+          "label": "^1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -150,6 +152,7 @@
         {
           "type": "linkReference",
           "identifier": "^1",
+          "label": "^1",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-indent.footnotes.json b/test/fixtures/tree/footnote-indent.footnotes.json
index ad73659ed..6b314e14b 100644
--- a/test/fixtures/tree/footnote-indent.footnotes.json
+++ b/test/fixtures/tree/footnote-indent.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-indent.json b/test/fixtures/tree/footnote-indent.json
index c4777eed2..cd85bf7f6 100644
--- a/test/fixtures/tree/footnote-indent.json
+++ b/test/fixtures/tree/footnote-indent.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -113,6 +114,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-inline.json b/test/fixtures/tree/footnote-inline.json
index 2e88e6582..3241c6d7b 100644
--- a/test/fixtures/tree/footnote-inline.json
+++ b/test/fixtures/tree/footnote-inline.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^this is the _actual_ footnote.",
+          "label": "^This is the _actual_ footnote.",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-like.footnotes.json b/test/fixtures/tree/footnote-like.footnotes.json
index 3132b6d41..d955638c3 100644
--- a/test/fixtures/tree/footnote-like.footnotes.json
+++ b/test/fixtures/tree/footnote-like.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^foo",
+          "label": "^foo",
           "referenceType": "full",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "footnoteReference",
           "identifier": "both",
+          "label": "both",
           "position": {
             "start": {
               "line": 3,
@@ -113,6 +115,7 @@
         {
           "type": "linkReference",
           "identifier": "invalid",
+          "label": "invalid",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-like.json b/test/fixtures/tree/footnote-like.json
index 009ce650b..91919507f 100644
--- a/test/fixtures/tree/footnote-like.json
+++ b/test/fixtures/tree/footnote-like.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^foo",
+          "label": "^foo",
           "referenceType": "full",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "linkReference",
           "identifier": "invalid",
+          "label": "invalid",
           "referenceType": "full",
           "children": [
             {
@@ -150,6 +152,7 @@
         {
           "type": "linkReference",
           "identifier": "^this too",
+          "label": "^this too",
           "referenceType": "collapsed",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-matrix.footnotes.json b/test/fixtures/tree/footnote-matrix.footnotes.json
index 415bd7529..677774323 100644
--- a/test/fixtures/tree/footnote-matrix.footnotes.json
+++ b/test/fixtures/tree/footnote-matrix.footnotes.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "bar",
+                  "label": "bar",
                   "referenceType": "full",
                   "children": [
                     {
@@ -93,6 +94,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 2,
@@ -110,6 +112,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "bar",
+                  "label": "bar",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -185,6 +188,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^bar",
+                  "label": "^bar",
                   "referenceType": "full",
                   "children": [
                     {
@@ -260,6 +264,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 4,
@@ -277,6 +282,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "bar",
+                  "label": "bar",
                   "position": {
                     "start": {
                       "line": 4,
diff --git a/test/fixtures/tree/footnote-matrix.json b/test/fixtures/tree/footnote-matrix.json
index 149a3b0ed..cc58ea5d9 100644
--- a/test/fixtures/tree/footnote-matrix.json
+++ b/test/fixtures/tree/footnote-matrix.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "bar",
+                  "label": "bar",
                   "referenceType": "full",
                   "children": [
                     {
@@ -93,6 +94,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "bar",
+                  "label": "bar",
                   "referenceType": "full",
                   "children": [
                     {
@@ -168,6 +170,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^bar",
+                  "label": "^bar",
                   "referenceType": "full",
                   "children": [
                     {
@@ -243,6 +246,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^bar",
+                  "label": "^bar",
                   "referenceType": "full",
                   "children": [
                     {
diff --git a/test/fixtures/tree/footnote-multiple.footnotes.json b/test/fixtures/tree/footnote-multiple.footnotes.json
index f47ca8d5a..c43aa8f2b 100644
--- a/test/fixtures/tree/footnote-multiple.footnotes.json
+++ b/test/fixtures/tree/footnote-multiple.footnotes.json
@@ -25,6 +25,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -77,6 +78,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 3,
@@ -161,6 +163,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-multiple.footnotes.pedantic.json b/test/fixtures/tree/footnote-multiple.footnotes.pedantic.json
index f47ca8d5a..c43aa8f2b 100644
--- a/test/fixtures/tree/footnote-multiple.footnotes.pedantic.json
+++ b/test/fixtures/tree/footnote-multiple.footnotes.pedantic.json
@@ -25,6 +25,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 1,
@@ -77,6 +78,7 @@
         {
           "type": "footnoteReference",
           "identifier": "wiki",
+          "label": "wiki",
           "position": {
             "start": {
               "line": 3,
@@ -161,6 +163,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "wiki",
+      "label": "wiki",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-multiple.json b/test/fixtures/tree/footnote-multiple.json
index 0f1326950..a43106eb7 100644
--- a/test/fixtures/tree/footnote-multiple.json
+++ b/test/fixtures/tree/footnote-multiple.json
@@ -25,6 +25,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -97,6 +98,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -204,6 +206,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-multiple.pedantic.json b/test/fixtures/tree/footnote-multiple.pedantic.json
index 0f1326950..a43106eb7 100644
--- a/test/fixtures/tree/footnote-multiple.pedantic.json
+++ b/test/fixtures/tree/footnote-multiple.pedantic.json
@@ -25,6 +25,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -97,6 +98,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
@@ -204,6 +206,7 @@
         {
           "type": "linkReference",
           "identifier": "^wiki",
+          "label": "^wiki",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-nested.footnotes.json b/test/fixtures/tree/footnote-nested.footnotes.json
index 530500f3b..36c4d1b8c 100644
--- a/test/fixtures/tree/footnote-nested.footnotes.json
+++ b/test/fixtures/tree/footnote-nested.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "1",
+          "label": "1",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "1",
+      "label": "1",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-nested.json b/test/fixtures/tree/footnote-nested.json
index a76952726..f00a67cd8 100644
--- a/test/fixtures/tree/footnote-nested.json
+++ b/test/fixtures/tree/footnote-nested.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^1",
+          "label": "^1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "linkReference",
           "identifier": "^1",
+          "label": "^1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -150,6 +152,7 @@
         {
           "type": "linkReference",
           "identifier": "^another **footnote**",
+          "label": "^another **footnote**",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-proto.nooutput.footnotes.json b/test/fixtures/tree/footnote-proto.footnotes.json
similarity index 98%
rename from test/fixtures/tree/footnote-proto.nooutput.footnotes.json
rename to test/fixtures/tree/footnote-proto.footnotes.json
index 72241bf5b..355a7f38d 100644
--- a/test/fixtures/tree/footnote-proto.nooutput.footnotes.json
+++ b/test/fixtures/tree/footnote-proto.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "tostring",
+          "label": "toString",
           "position": {
             "start": {
               "line": 1,
@@ -58,6 +59,7 @@
         {
           "type": "footnoteReference",
           "identifier": "__proto__",
+          "label": "__proto__",
           "position": {
             "start": {
               "line": 1,
@@ -92,6 +94,7 @@
         {
           "type": "footnoteReference",
           "identifier": "constructor",
+          "label": "constructor",
           "position": {
             "start": {
               "line": 1,
@@ -141,6 +144,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "tostring",
+      "label": "toString",
       "children": [
         {
           "type": "paragraph",
@@ -229,6 +233,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "constructor",
+      "label": "constructor",
       "children": [
         {
           "type": "paragraph",
@@ -317,6 +322,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "__proto__",
+      "label": "__proto__",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-proto.nooutput.json b/test/fixtures/tree/footnote-proto.json
similarity index 98%
rename from test/fixtures/tree/footnote-proto.nooutput.json
rename to test/fixtures/tree/footnote-proto.json
index deec1e6a1..d7393549a 100644
--- a/test/fixtures/tree/footnote-proto.nooutput.json
+++ b/test/fixtures/tree/footnote-proto.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^tostring",
+          "label": "^toString",
           "referenceType": "shortcut",
           "children": [
             {
@@ -78,6 +79,7 @@
         {
           "type": "linkReference",
           "identifier": "^__proto__",
+          "label": "^__proto__",
           "referenceType": "shortcut",
           "children": [
             {
@@ -167,6 +169,7 @@
         {
           "type": "linkReference",
           "identifier": "^constructor",
+          "label": "^constructor",
           "referenceType": "shortcut",
           "children": [
             {
@@ -239,6 +242,7 @@
         {
           "type": "linkReference",
           "identifier": "^tostring",
+          "label": "^toString",
           "referenceType": "shortcut",
           "children": [
             {
@@ -329,6 +333,7 @@
         {
           "type": "linkReference",
           "identifier": "^constructor",
+          "label": "^constructor",
           "referenceType": "shortcut",
           "children": [
             {
@@ -419,6 +424,7 @@
         {
           "type": "linkReference",
           "identifier": "^__proto__",
+          "label": "^__proto__",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote-without-space.footnotes.json b/test/fixtures/tree/footnote-without-space.footnotes.json
index cece74e80..40e996dc6 100644
--- a/test/fixtures/tree/footnote-without-space.footnotes.json
+++ b/test/fixtures/tree/footnote-without-space.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "abc",
+          "label": "abc",
           "position": {
             "start": {
               "line": 1,
@@ -58,6 +59,7 @@
         {
           "type": "footnoteReference",
           "identifier": "xyz",
+          "label": "xyz",
           "position": {
             "start": {
               "line": 1,
@@ -220,6 +222,7 @@
         {
           "type": "footnoteReference",
           "identifier": "footnote",
+          "label": "footnote",
           "position": {
             "start": {
               "line": 6,
@@ -256,6 +259,7 @@
         {
           "type": "footnoteReference",
           "identifier": "footnote",
+          "label": "footnote",
           "position": {
             "start": {
               "line": 7,
@@ -292,6 +296,7 @@
         {
           "type": "footnoteReference",
           "identifier": "footnote",
+          "label": "footnote",
           "position": {
             "start": {
               "line": 8,
@@ -327,6 +332,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "abc",
+      "label": "abc",
       "children": [
         {
           "type": "paragraph",
@@ -381,6 +387,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "xyz",
+      "label": "xyz",
       "children": [
         {
           "type": "paragraph",
@@ -435,6 +442,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "footnote",
+      "label": "footnote",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/footnote-without-space.json b/test/fixtures/tree/footnote-without-space.json
index 93da895ed..6f6b68ba1 100644
--- a/test/fixtures/tree/footnote-without-space.json
+++ b/test/fixtures/tree/footnote-without-space.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^abc",
+          "label": "^abc",
           "referenceType": "shortcut",
           "children": [
             {
@@ -78,6 +79,7 @@
         {
           "type": "linkReference",
           "identifier": "^xyz",
+          "label": "^xyz",
           "referenceType": "shortcut",
           "children": [
             {
@@ -260,6 +262,7 @@
         {
           "type": "linkReference",
           "identifier": "^footnote",
+          "label": "^footnote",
           "referenceType": "shortcut",
           "children": [
             {
@@ -316,6 +319,7 @@
         {
           "type": "imageReference",
           "identifier": "^footnote",
+          "label": "^footnote",
           "referenceType": "shortcut",
           "alt": "^footnote",
           "position": {
@@ -354,6 +358,7 @@
         {
           "type": "linkReference",
           "identifier": "^footnote",
+          "label": "^footnote",
           "referenceType": "shortcut",
           "children": [
             {
@@ -412,6 +417,7 @@
         {
           "type": "linkReference",
           "identifier": "^abc",
+          "label": "^abc",
           "referenceType": "shortcut",
           "children": [
             {
@@ -481,6 +487,7 @@
     {
       "type": "definition",
       "identifier": "^xyz",
+      "label": "^xyz",
       "title": null,
       "url": "Baz",
       "position": {
@@ -503,6 +510,7 @@
         {
           "type": "linkReference",
           "identifier": "^footnote",
+          "label": "^footnote",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/footnote.footnotes.json b/test/fixtures/tree/footnote.footnotes.json
index e4e1621cd..97864b43e 100644
--- a/test/fixtures/tree/footnote.footnotes.json
+++ b/test/fixtures/tree/footnote.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "somesamplefootnote",
+          "label": "somesamplefootnote",
           "position": {
             "start": {
               "line": 1,
@@ -73,6 +74,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "somesamplefootnote",
+      "label": "somesamplefootnote",
       "children": [
         {
           "type": "paragraph",
@@ -147,6 +149,7 @@
         {
           "type": "linkReference",
           "identifier": "paragraph",
+          "label": "paragraph",
           "referenceType": "shortcut",
           "children": [
             {
@@ -201,6 +204,7 @@
         {
           "type": "footnoteReference",
           "identifier": "documentdetails",
+          "label": "documentdetails",
           "position": {
             "start": {
               "line": 5,
@@ -250,6 +254,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "documentdetails",
+      "label": "documentdetails",
       "children": [
         {
           "type": "paragraph",
@@ -361,6 +366,7 @@
             {
               "type": "linkReference",
               "identifier": "paragraph",
+              "label": "paragraph",
               "referenceType": "shortcut",
               "children": [
                 {
@@ -448,6 +454,7 @@
     {
       "type": "definition",
       "identifier": "paragraph",
+      "label": "paragraph",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/footnote.json b/test/fixtures/tree/footnote.json
index d85c1acc7..33a6c945a 100644
--- a/test/fixtures/tree/footnote.json
+++ b/test/fixtures/tree/footnote.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "^somesamplefootnote",
+          "label": "^somesamplefootnote",
           "referenceType": "shortcut",
           "children": [
             {
@@ -96,6 +97,7 @@
         {
           "type": "linkReference",
           "identifier": "^somesamplefootnote",
+          "label": "^somesamplefootnote",
           "referenceType": "shortcut",
           "children": [
             {
@@ -185,6 +187,7 @@
         {
           "type": "linkReference",
           "identifier": "paragraph",
+          "label": "paragraph",
           "referenceType": "shortcut",
           "children": [
             {
@@ -239,6 +242,7 @@
         {
           "type": "linkReference",
           "identifier": "^documentdetails",
+          "label": "^documentdetails",
           "referenceType": "shortcut",
           "children": [
             {
@@ -311,6 +315,7 @@
         {
           "type": "linkReference",
           "identifier": "^documentdetails",
+          "label": "^documentdetails",
           "referenceType": "shortcut",
           "children": [
             {
@@ -451,6 +456,7 @@
     {
       "type": "definition",
       "identifier": "paragraph",
+      "label": "paragraph",
       "title": null,
       "url": "http://example.com",
       "position": {
diff --git a/test/fixtures/tree/footnote.output.footnotes.json b/test/fixtures/tree/footnote.output.footnotes.json
index c3c5b8d14..a5f61338b 100644
--- a/test/fixtures/tree/footnote.output.footnotes.json
+++ b/test/fixtures/tree/footnote.output.footnotes.json
@@ -24,6 +24,7 @@
         {
           "type": "footnoteReference",
           "identifier": "1",
+          "label": "1",
           "position": {
             "start": {
               "line": 1,
@@ -93,6 +94,7 @@
         {
           "type": "footnoteReference",
           "identifier": "2",
+          "label": "2",
           "position": {
             "start": {
               "line": 3,
@@ -142,6 +144,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "1",
+      "label": "1",
       "children": [
         {
           "type": "paragraph",
@@ -218,6 +221,7 @@
             {
               "type": "footnoteReference",
               "identifier": "3",
+              "label": "3",
               "position": {
                 "start": {
                   "line": 5,
@@ -361,6 +365,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "2",
+      "label": "2",
       "children": [
         {
           "type": "paragraph",
@@ -467,6 +472,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "3",
+      "label": "3",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/link-spaces.commonmark.json b/test/fixtures/tree/link-spaces.commonmark.json
index 512bcb0e2..87ded5815 100644
--- a/test/fixtures/tree/link-spaces.commonmark.json
+++ b/test/fixtures/tree/link-spaces.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "imageReference",
           "identifier": "charlie",
+          "label": "charlie",
           "referenceType": "shortcut",
           "alt": "charlie",
           "position": {
diff --git a/test/fixtures/tree/link-spaces.json b/test/fixtures/tree/link-spaces.json
index 512bcb0e2..87ded5815 100644
--- a/test/fixtures/tree/link-spaces.json
+++ b/test/fixtures/tree/link-spaces.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "imageReference",
           "identifier": "charlie",
+          "label": "charlie",
           "referenceType": "shortcut",
           "alt": "charlie",
           "position": {
diff --git a/test/fixtures/tree/link-spaces.nogfm.commonmark.json b/test/fixtures/tree/link-spaces.nogfm.commonmark.json
index 512bcb0e2..87ded5815 100644
--- a/test/fixtures/tree/link-spaces.nogfm.commonmark.json
+++ b/test/fixtures/tree/link-spaces.nogfm.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "imageReference",
           "identifier": "charlie",
+          "label": "charlie",
           "referenceType": "shortcut",
           "alt": "charlie",
           "position": {
diff --git a/test/fixtures/tree/link-spaces.nogfm.json b/test/fixtures/tree/link-spaces.nogfm.json
index 512bcb0e2..87ded5815 100644
--- a/test/fixtures/tree/link-spaces.nogfm.json
+++ b/test/fixtures/tree/link-spaces.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "imageReference",
           "identifier": "charlie",
+          "label": "charlie",
           "referenceType": "shortcut",
           "alt": "charlie",
           "position": {
diff --git a/test/fixtures/tree/link-whitespace.commonmark.json b/test/fixtures/tree/link-whitespace.commonmark.json
index 7efbde7ce..f60d6aae2 100644
--- a/test/fixtures/tree/link-whitespace.commonmark.json
+++ b/test/fixtures/tree/link-whitespace.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -133,6 +134,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -259,6 +261,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -389,6 +392,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
@@ -497,6 +501,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
@@ -605,6 +610,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
diff --git a/test/fixtures/tree/link-whitespace.json b/test/fixtures/tree/link-whitespace.json
index 7efbde7ce..f60d6aae2 100644
--- a/test/fixtures/tree/link-whitespace.json
+++ b/test/fixtures/tree/link-whitespace.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -133,6 +134,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -259,6 +261,7 @@
         {
           "type": "linkReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "children": [
             {
@@ -389,6 +392,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
@@ -497,6 +501,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
@@ -605,6 +610,7 @@
         {
           "type": "imageReference",
           "identifier": "alpha",
+          "label": "alpha",
           "referenceType": "shortcut",
           "alt": "alpha",
           "position": {
diff --git a/test/fixtures/tree/links-inline-style.commonmark.json b/test/fixtures/tree/links-inline-style.commonmark.json
index c52e1282b..aa2584569 100644
--- a/test/fixtures/tree/links-inline-style.commonmark.json
+++ b/test/fixtures/tree/links-inline-style.commonmark.json
@@ -384,6 +384,7 @@
         {
           "type": "linkReference",
           "identifier": "url and title",
+          "label": "URL and title",
           "referenceType": "shortcut",
           "children": [
             {
@@ -456,6 +457,7 @@
         {
           "type": "linkReference",
           "identifier": "url and title",
+          "label": "URL and title",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/links-inline-style.json b/test/fixtures/tree/links-inline-style.json
index c52e1282b..aa2584569 100644
--- a/test/fixtures/tree/links-inline-style.json
+++ b/test/fixtures/tree/links-inline-style.json
@@ -384,6 +384,7 @@
         {
           "type": "linkReference",
           "identifier": "url and title",
+          "label": "URL and title",
           "referenceType": "shortcut",
           "children": [
             {
@@ -456,6 +457,7 @@
         {
           "type": "linkReference",
           "identifier": "url and title",
+          "label": "URL and title",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/links-reference-proto.json b/test/fixtures/tree/links-reference-proto.json
index 9c41262dc..406a2146a 100644
--- a/test/fixtures/tree/links-reference-proto.json
+++ b/test/fixtures/tree/links-reference-proto.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "tostring",
+          "label": "toString",
           "referenceType": "full",
           "children": [
             {
@@ -78,6 +79,7 @@
         {
           "type": "linkReference",
           "identifier": "constructor",
+          "label": "constructor",
           "referenceType": "full",
           "children": [
             {
@@ -132,6 +134,7 @@
         {
           "type": "linkReference",
           "identifier": "__proto__",
+          "label": "__proto__",
           "referenceType": "full",
           "children": [
             {
@@ -201,6 +204,7 @@
     {
       "type": "definition",
       "identifier": "tostring",
+      "label": "toString",
       "title": null,
       "url": "http://primary.com",
       "position": {
@@ -220,6 +224,7 @@
     {
       "type": "definition",
       "identifier": "__proto__",
+      "label": "__proto__",
       "title": null,
       "url": "http://tertiary.com",
       "position": {
@@ -239,6 +244,7 @@
     {
       "type": "definition",
       "identifier": "constructor",
+      "label": "constructor",
       "title": null,
       "url": "http://secondary.com",
       "position": {
diff --git a/test/fixtures/tree/links-reference-style.json b/test/fixtures/tree/links-reference-style.json
index d999d841c..aea2583cc 100644
--- a/test/fixtures/tree/links-reference-style.json
+++ b/test/fixtures/tree/links-reference-style.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -113,6 +114,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -202,6 +204,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -275,6 +278,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": "Title",
       "url": "/url/",
       "position": {
@@ -314,6 +318,7 @@
         {
           "type": "linkReference",
           "identifier": "b",
+          "label": "b",
           "referenceType": "full",
           "children": [
             {
@@ -454,6 +459,7 @@
         {
           "type": "linkReference",
           "identifier": "once",
+          "label": "once",
           "referenceType": "collapsed",
           "children": [
             {
@@ -543,6 +549,7 @@
         {
           "type": "linkReference",
           "identifier": "twice",
+          "label": "twice",
           "referenceType": "collapsed",
           "children": [
             {
@@ -632,6 +639,7 @@
         {
           "type": "linkReference",
           "identifier": "thrice",
+          "label": "thrice",
           "referenceType": "collapsed",
           "children": [
             {
@@ -721,6 +729,7 @@
         {
           "type": "linkReference",
           "identifier": "four",
+          "label": "four",
           "referenceType": "collapsed",
           "children": [
             {
@@ -790,6 +799,7 @@
     {
       "type": "definition",
       "identifier": "once",
+      "label": "once",
       "title": null,
       "url": "/url",
       "position": {
@@ -809,6 +819,7 @@
     {
       "type": "definition",
       "identifier": "twice",
+      "label": "twice",
       "title": null,
       "url": "/url",
       "position": {
@@ -828,6 +839,7 @@
     {
       "type": "definition",
       "identifier": "thrice",
+      "label": "thrice",
       "title": null,
       "url": "/url",
       "position": {
@@ -866,6 +878,7 @@
     {
       "type": "definition",
       "identifier": "b",
+      "label": "b",
       "title": null,
       "url": "/url/",
       "position": {
@@ -904,6 +917,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "full",
           "children": [
             {
@@ -993,6 +1007,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "full",
           "children": [
             {
@@ -1082,6 +1097,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1171,6 +1187,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1260,6 +1277,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1349,6 +1367,7 @@
         {
           "type": "linkReference",
           "identifier": "that",
+          "label": "that",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1438,6 +1457,7 @@
         {
           "type": "linkReference",
           "identifier": "that",
+          "label": "that",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1527,6 +1547,7 @@
         {
           "type": "linkReference",
           "identifier": "that",
+          "label": "that",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1616,6 +1637,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "collapsed",
           "children": [
             {
@@ -1705,6 +1727,7 @@
         {
           "type": "linkReference",
           "identifier": "this",
+          "label": "this",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1966,6 +1989,7 @@
     {
       "type": "definition",
       "identifier": "this",
+      "label": "this",
       "title": null,
       "url": "foo",
       "position": {
@@ -2021,6 +2045,7 @@
         {
           "type": "linkReference",
           "identifier": "link breaks",
+          "label": "link\nbreaks",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2116,6 +2141,7 @@
         {
           "type": "linkReference",
           "identifier": "link breaks",
+          "label": "link \nbreaks",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2191,6 +2217,7 @@
     {
       "type": "definition",
       "identifier": "link breaks",
+      "label": "link breaks",
       "title": null,
       "url": "/url/",
       "position": {
diff --git a/test/fixtures/tree/links-shortcut-references.json b/test/fixtures/tree/links-shortcut-references.json
index 797cd5cab..46b6ba2a9 100644
--- a/test/fixtures/tree/links-shortcut-references.json
+++ b/test/fixtures/tree/links-shortcut-references.json
@@ -24,6 +24,7 @@
         {
           "type": "linkReference",
           "identifier": "simple case",
+          "label": "simple case",
           "referenceType": "shortcut",
           "children": [
             {
@@ -93,6 +94,7 @@
     {
       "type": "definition",
       "identifier": "simple case",
+      "label": "simple case",
       "title": null,
       "url": "/simple",
       "position": {
@@ -132,6 +134,7 @@
         {
           "type": "linkReference",
           "identifier": "line break",
+          "label": "line\nbreak",
           "referenceType": "shortcut",
           "children": [
             {
@@ -227,6 +230,7 @@
         {
           "type": "linkReference",
           "identifier": "line break",
+          "label": "line \nbreak",
           "referenceType": "shortcut",
           "children": [
             {
@@ -302,6 +306,7 @@
     {
       "type": "definition",
       "identifier": "line break",
+      "label": "line break",
       "title": null,
       "url": "/foo",
       "position": {
@@ -324,6 +329,7 @@
         {
           "type": "linkReference",
           "identifier": "that",
+          "label": "that",
           "referenceType": "full",
           "children": [
             {
@@ -378,6 +384,7 @@
         {
           "type": "linkReference",
           "identifier": "other",
+          "label": "other",
           "referenceType": "shortcut",
           "children": [
             {
@@ -430,6 +437,7 @@
     {
       "type": "definition",
       "identifier": "this",
+      "label": "this",
       "title": null,
       "url": "/this",
       "position": {
@@ -449,6 +457,7 @@
     {
       "type": "definition",
       "identifier": "that",
+      "label": "that",
       "title": null,
       "url": "/that",
       "position": {
@@ -468,6 +477,7 @@
     {
       "type": "definition",
       "identifier": "other",
+      "label": "other",
       "title": null,
       "url": "/other",
       "position": {
diff --git a/test/fixtures/tree/links-title-double-quotes-delimiters.commonmark.json b/test/fixtures/tree/links-title-double-quotes-delimiters.commonmark.json
index 68ef6e519..e25b17ef8 100644
--- a/test/fixtures/tree/links-title-double-quotes-delimiters.commonmark.json
+++ b/test/fixtures/tree/links-title-double-quotes-delimiters.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-double-quotes-mismatched-delimiters.commonmark.json b/test/fixtures/tree/links-title-double-quotes-mismatched-delimiters.commonmark.json
index 3feeca14d..3e9d2ccfd 100644
--- a/test/fixtures/tree/links-title-double-quotes-mismatched-delimiters.commonmark.json
+++ b/test/fixtures/tree/links-title-double-quotes-mismatched-delimiters.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-empty-parentheses.json b/test/fixtures/tree/links-title-empty-parentheses.json
index 0b8726827..812777cd2 100644
--- a/test/fixtures/tree/links-title-empty-parentheses.json
+++ b/test/fixtures/tree/links-title-empty-parentheses.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-empty-parentheses.nogfm.json b/test/fixtures/tree/links-title-empty-parentheses.nogfm.json
index 0b8726827..812777cd2 100644
--- a/test/fixtures/tree/links-title-empty-parentheses.nogfm.json
+++ b/test/fixtures/tree/links-title-empty-parentheses.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-parentheses.json b/test/fixtures/tree/links-title-parentheses.json
index 74ab71800..c25fe3b28 100644
--- a/test/fixtures/tree/links-title-parentheses.json
+++ b/test/fixtures/tree/links-title-parentheses.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-parentheses.nogfm.json b/test/fixtures/tree/links-title-parentheses.nogfm.json
index 74ab71800..c25fe3b28 100644
--- a/test/fixtures/tree/links-title-parentheses.nogfm.json
+++ b/test/fixtures/tree/links-title-parentheses.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-single-quotes-delimiters.commonmark.json b/test/fixtures/tree/links-title-single-quotes-delimiters.commonmark.json
index 021ab659f..a1efa11aa 100644
--- a/test/fixtures/tree/links-title-single-quotes-delimiters.commonmark.json
+++ b/test/fixtures/tree/links-title-single-quotes-delimiters.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-single-quotes-mismatched-delimiters.commonmark.json b/test/fixtures/tree/links-title-single-quotes-mismatched-delimiters.commonmark.json
index d6b9869aa..48e1b6595 100644
--- a/test/fixtures/tree/links-title-single-quotes-mismatched-delimiters.commonmark.json
+++ b/test/fixtures/tree/links-title-single-quotes-mismatched-delimiters.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-unclosed.commonmark.json b/test/fixtures/tree/links-title-unclosed.commonmark.json
index d0655eee6..19a897801 100644
--- a/test/fixtures/tree/links-title-unclosed.commonmark.json
+++ b/test/fixtures/tree/links-title-unclosed.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -259,6 +263,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -331,6 +336,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -403,6 +409,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -457,6 +464,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -511,6 +519,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -583,6 +592,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -655,6 +665,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -709,6 +720,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-unclosed.json b/test/fixtures/tree/links-title-unclosed.json
index d0655eee6..19a897801 100644
--- a/test/fixtures/tree/links-title-unclosed.json
+++ b/test/fixtures/tree/links-title-unclosed.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -259,6 +263,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -331,6 +336,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -403,6 +409,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -457,6 +464,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -511,6 +519,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -583,6 +592,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -655,6 +665,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -709,6 +720,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-title-unclosed.nogfm.json b/test/fixtures/tree/links-title-unclosed.nogfm.json
index d0655eee6..19a897801 100644
--- a/test/fixtures/tree/links-title-unclosed.nogfm.json
+++ b/test/fixtures/tree/links-title-unclosed.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -259,6 +263,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -331,6 +336,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -403,6 +409,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -457,6 +464,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -511,6 +519,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -583,6 +592,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -655,6 +665,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -709,6 +720,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-empty-title-parentheses.json b/test/fixtures/tree/links-url-empty-title-parentheses.json
index 19aaa8018..98a159056 100644
--- a/test/fixtures/tree/links-url-empty-title-parentheses.json
+++ b/test/fixtures/tree/links-url-empty-title-parentheses.json
@@ -151,6 +151,7 @@
         {
           "type": "linkReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "children": [
             {
@@ -331,6 +332,7 @@
         {
           "type": "imageReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "alt": "World",
           "position": {
diff --git a/test/fixtures/tree/links-url-empty-title-parentheses.nogfm.json b/test/fixtures/tree/links-url-empty-title-parentheses.nogfm.json
index 19aaa8018..98a159056 100644
--- a/test/fixtures/tree/links-url-empty-title-parentheses.nogfm.json
+++ b/test/fixtures/tree/links-url-empty-title-parentheses.nogfm.json
@@ -151,6 +151,7 @@
         {
           "type": "linkReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "children": [
             {
@@ -331,6 +332,7 @@
         {
           "type": "imageReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "alt": "World",
           "position": {
diff --git a/test/fixtures/tree/links-url-mismatched-parentheses.commonmark.json b/test/fixtures/tree/links-url-mismatched-parentheses.commonmark.json
index 61386e4a7..4fe66ed5e 100644
--- a/test/fixtures/tree/links-url-mismatched-parentheses.commonmark.json
+++ b/test/fixtures/tree/links-url-mismatched-parentheses.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -295,6 +296,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-mismatched-parentheses.json b/test/fixtures/tree/links-url-mismatched-parentheses.json
index 61386e4a7..4fe66ed5e 100644
--- a/test/fixtures/tree/links-url-mismatched-parentheses.json
+++ b/test/fixtures/tree/links-url-mismatched-parentheses.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -295,6 +296,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-mismatched-parentheses.nogfm.json b/test/fixtures/tree/links-url-mismatched-parentheses.nogfm.json
index 61386e4a7..4fe66ed5e 100644
--- a/test/fixtures/tree/links-url-mismatched-parentheses.nogfm.json
+++ b/test/fixtures/tree/links-url-mismatched-parentheses.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -295,6 +296,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-new-line.commonmark.json b/test/fixtures/tree/links-url-new-line.commonmark.json
index b8b27e149..8cc4fde07 100644
--- a/test/fixtures/tree/links-url-new-line.commonmark.json
+++ b/test/fixtures/tree/links-url-new-line.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -83,6 +84,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -159,6 +161,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -217,6 +220,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-new-line.json b/test/fixtures/tree/links-url-new-line.json
index 4a4ce8d5a..424236e18 100644
--- a/test/fixtures/tree/links-url-new-line.json
+++ b/test/fixtures/tree/links-url-new-line.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -159,6 +160,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-new-line.nogfm.json b/test/fixtures/tree/links-url-new-line.nogfm.json
index 4a4ce8d5a..424236e18 100644
--- a/test/fixtures/tree/links-url-new-line.nogfm.json
+++ b/test/fixtures/tree/links-url-new-line.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -159,6 +160,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-unclosed.json b/test/fixtures/tree/links-url-unclosed.json
index cc4aec658..1d479482c 100644
--- a/test/fixtures/tree/links-url-unclosed.json
+++ b/test/fixtures/tree/links-url-unclosed.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +153,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -205,6 +208,7 @@
         {
           "type": "imageReference",
           "identifier": "world",
+          "label": "World",
           "referenceType": "shortcut",
           "alt": "World",
           "position": {
diff --git a/test/fixtures/tree/links-url-white-space.commonmark.json b/test/fixtures/tree/links-url-white-space.commonmark.json
index 444a0d2ae..4c037aa51 100644
--- a/test/fixtures/tree/links-url-white-space.commonmark.json
+++ b/test/fixtures/tree/links-url-white-space.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +152,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-white-space.json b/test/fixtures/tree/links-url-white-space.json
index 444a0d2ae..4c037aa51 100644
--- a/test/fixtures/tree/links-url-white-space.json
+++ b/test/fixtures/tree/links-url-white-space.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +152,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/links-url-white-space.nogfm.json b/test/fixtures/tree/links-url-white-space.nogfm.json
index 444a0d2ae..4c037aa51 100644
--- a/test/fixtures/tree/links-url-white-space.nogfm.json
+++ b/test/fixtures/tree/links-url-white-space.nogfm.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -151,6 +152,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/list-continuation.commonmark.footnotes.json b/test/fixtures/tree/list-continuation.commonmark.footnotes.json
index 2ec7b0a85..d779a856d 100644
--- a/test/fixtures/tree/list-continuation.commonmark.footnotes.json
+++ b/test/fixtures/tree/list-continuation.commonmark.footnotes.json
@@ -208,6 +208,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -264,6 +265,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -420,6 +422,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -456,6 +459,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 16,
diff --git a/test/fixtures/tree/list-continuation.commonmark.footnotes.pedantic.json b/test/fixtures/tree/list-continuation.commonmark.footnotes.pedantic.json
index 258eacc0f..049a21794 100644
--- a/test/fixtures/tree/list-continuation.commonmark.footnotes.pedantic.json
+++ b/test/fixtures/tree/list-continuation.commonmark.footnotes.pedantic.json
@@ -207,6 +207,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -263,6 +264,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -419,6 +421,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -455,6 +458,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 16,
diff --git a/test/fixtures/tree/list-continuation.commonmark.json b/test/fixtures/tree/list-continuation.commonmark.json
index a356a694c..fb496b0a0 100644
--- a/test/fixtures/tree/list-continuation.commonmark.json
+++ b/test/fixtures/tree/list-continuation.commonmark.json
@@ -208,6 +208,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -264,6 +265,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -420,6 +422,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -476,6 +479,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.commonmark.pedantic.json b/test/fixtures/tree/list-continuation.commonmark.pedantic.json
index 83af5ec31..54003e013 100644
--- a/test/fixtures/tree/list-continuation.commonmark.pedantic.json
+++ b/test/fixtures/tree/list-continuation.commonmark.pedantic.json
@@ -207,6 +207,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -263,6 +264,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -419,6 +421,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -475,6 +478,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.footnotes.json b/test/fixtures/tree/list-continuation.footnotes.json
index 3226bfdd8..575bf9f6e 100644
--- a/test/fixtures/tree/list-continuation.footnotes.json
+++ b/test/fixtures/tree/list-continuation.footnotes.json
@@ -208,6 +208,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -290,6 +291,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -323,6 +325,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -385,6 +388,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/list-continuation.footnotes.pedantic.json b/test/fixtures/tree/list-continuation.footnotes.pedantic.json
index f16598c62..fdaa2dd0a 100644
--- a/test/fixtures/tree/list-continuation.footnotes.pedantic.json
+++ b/test/fixtures/tree/list-continuation.footnotes.pedantic.json
@@ -207,6 +207,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -289,6 +290,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -322,6 +324,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -384,6 +387,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/list-continuation.json b/test/fixtures/tree/list-continuation.json
index e1e3420f7..cf4e5c7d6 100644
--- a/test/fixtures/tree/list-continuation.json
+++ b/test/fixtures/tree/list-continuation.json
@@ -208,6 +208,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -290,6 +291,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -323,6 +325,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "full",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.json b/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.json
index f70b0409c..5a4f7b8f9 100644
--- a/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.json
+++ b/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.json
@@ -220,6 +220,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -276,6 +277,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -395,6 +397,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -431,6 +434,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 16,
diff --git a/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.pedantic.json b/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.pedantic.json
index 505350414..24ba60d69 100644
--- a/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.pedantic.json
+++ b/test/fixtures/tree/list-continuation.nogfm.commonmark.footnotes.pedantic.json
@@ -211,6 +211,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -267,6 +268,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -386,6 +388,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -422,6 +425,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 16,
diff --git a/test/fixtures/tree/list-continuation.nogfm.commonmark.json b/test/fixtures/tree/list-continuation.nogfm.commonmark.json
index 4756f20c5..979876373 100644
--- a/test/fixtures/tree/list-continuation.nogfm.commonmark.json
+++ b/test/fixtures/tree/list-continuation.nogfm.commonmark.json
@@ -220,6 +220,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -276,6 +277,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -395,6 +397,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -451,6 +454,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.nogfm.commonmark.pedantic.json b/test/fixtures/tree/list-continuation.nogfm.commonmark.pedantic.json
index 841d20d3e..c7eb9ff0c 100644
--- a/test/fixtures/tree/list-continuation.nogfm.commonmark.pedantic.json
+++ b/test/fixtures/tree/list-continuation.nogfm.commonmark.pedantic.json
@@ -211,6 +211,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -267,6 +268,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -386,6 +388,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -442,6 +445,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.nogfm.footnotes.json b/test/fixtures/tree/list-continuation.nogfm.footnotes.json
index 2c485e2cd..9b6cad8da 100644
--- a/test/fixtures/tree/list-continuation.nogfm.footnotes.json
+++ b/test/fixtures/tree/list-continuation.nogfm.footnotes.json
@@ -220,6 +220,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -302,6 +303,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -335,6 +337,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -397,6 +400,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/list-continuation.nogfm.footnotes.pedantic.json b/test/fixtures/tree/list-continuation.nogfm.footnotes.pedantic.json
index 50968a3c3..4c3416788 100644
--- a/test/fixtures/tree/list-continuation.nogfm.footnotes.pedantic.json
+++ b/test/fixtures/tree/list-continuation.nogfm.footnotes.pedantic.json
@@ -211,6 +211,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -293,6 +294,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -326,6 +328,7 @@
                 {
                   "type": "footnoteReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "position": {
                     "start": {
                       "line": 15,
@@ -388,6 +391,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/list-continuation.nogfm.json b/test/fixtures/tree/list-continuation.nogfm.json
index ef7f9b287..48faea0af 100644
--- a/test/fixtures/tree/list-continuation.nogfm.json
+++ b/test/fixtures/tree/list-continuation.nogfm.json
@@ -220,6 +220,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -302,6 +303,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -335,6 +337,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "full",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.nogfm.pedantic.json b/test/fixtures/tree/list-continuation.nogfm.pedantic.json
index 2cb5e1d83..f661481d7 100644
--- a/test/fixtures/tree/list-continuation.nogfm.pedantic.json
+++ b/test/fixtures/tree/list-continuation.nogfm.pedantic.json
@@ -211,6 +211,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -293,6 +294,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -326,6 +328,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "full",
                   "children": [
                     {
diff --git a/test/fixtures/tree/list-continuation.pedantic.json b/test/fixtures/tree/list-continuation.pedantic.json
index 5b0e1aa56..42b227fd7 100644
--- a/test/fixtures/tree/list-continuation.pedantic.json
+++ b/test/fixtures/tree/list-continuation.pedantic.json
@@ -207,6 +207,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "foo",
+                  "label": "foo",
                   "referenceType": "collapsed",
                   "children": [
                     {
@@ -289,6 +290,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "http://google.com",
       "position": {
@@ -322,6 +324,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "^foo",
+                  "label": "^foo",
                   "referenceType": "full",
                   "children": [
                     {
diff --git a/test/fixtures/tree/main.json b/test/fixtures/tree/main.json
index d4c59f774..987360333 100644
--- a/test/fixtures/tree/main.json
+++ b/test/fixtures/tree/main.json
@@ -4,6 +4,7 @@
     {
       "type": "definition",
       "identifier": "test",
+      "label": "test",
       "title": "Google",
       "url": "http://google.com/",
       "position": {
@@ -82,6 +83,7 @@
         {
           "type": "linkReference",
           "identifier": "test",
+          "label": "test",
           "referenceType": "full",
           "children": [
             {
diff --git a/test/fixtures/tree/main.nogfm.json b/test/fixtures/tree/main.nogfm.json
index d4c59f774..987360333 100644
--- a/test/fixtures/tree/main.nogfm.json
+++ b/test/fixtures/tree/main.nogfm.json
@@ -4,6 +4,7 @@
     {
       "type": "definition",
       "identifier": "test",
+      "label": "test",
       "title": "Google",
       "url": "http://google.com/",
       "position": {
@@ -82,6 +83,7 @@
         {
           "type": "linkReference",
           "identifier": "test",
+          "label": "test",
           "referenceType": "full",
           "children": [
             {
diff --git a/test/fixtures/tree/main.nogfm.pedantic.json b/test/fixtures/tree/main.nogfm.pedantic.json
index 4a9c22bac..72fa4a913 100644
--- a/test/fixtures/tree/main.nogfm.pedantic.json
+++ b/test/fixtures/tree/main.nogfm.pedantic.json
@@ -4,6 +4,7 @@
     {
       "type": "definition",
       "identifier": "test",
+      "label": "test",
       "title": "Google",
       "url": "http://google.com/",
       "position": {
@@ -82,6 +83,7 @@
         {
           "type": "linkReference",
           "identifier": "test",
+          "label": "test",
           "referenceType": "full",
           "children": [
             {
diff --git a/test/fixtures/tree/main.pedantic.json b/test/fixtures/tree/main.pedantic.json
index 4a9c22bac..72fa4a913 100644
--- a/test/fixtures/tree/main.pedantic.json
+++ b/test/fixtures/tree/main.pedantic.json
@@ -4,6 +4,7 @@
     {
       "type": "definition",
       "identifier": "test",
+      "label": "test",
       "title": "Google",
       "url": "http://google.com/",
       "position": {
@@ -82,6 +83,7 @@
         {
           "type": "linkReference",
           "identifier": "test",
+          "label": "test",
           "referenceType": "full",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-basics.json b/test/fixtures/tree/markdown-documentation-basics.json
index d63cfb3a9..946689758 100644
--- a/test/fixtures/tree/markdown-documentation-basics.json
+++ b/test/fixtures/tree/markdown-documentation-basics.json
@@ -126,6 +126,7 @@
         {
           "type": "linkReference",
           "identifier": "s",
+          "label": "s",
           "referenceType": "full",
           "children": [
             {
@@ -226,6 +227,7 @@
         {
           "type": "linkReference",
           "identifier": "d",
+          "label": "d",
           "referenceType": "full",
           "children": [
             {
@@ -358,6 +360,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -429,6 +432,7 @@
     {
       "type": "definition",
       "identifier": "s",
+      "label": "s",
       "title": "Markdown Syntax",
       "url": "/projects/markdown/syntax",
       "position": {
@@ -448,6 +452,7 @@
     {
       "type": "definition",
       "identifier": "d",
+      "label": "d",
       "title": "Markdown Dingus",
       "url": "/projects/markdown/dingus",
       "position": {
@@ -467,6 +472,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/basics.text",
       "position": {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.commonmark.json b/test/fixtures/tree/markdown-documentation-syntax.commonmark.json
index ca2ad90e2..a3ead366c 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.commonmark.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.commonmark.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2122,6 +2128,7 @@
         {
           "type": "linkReference",
           "identifier": "textile",
+          "label": "Textile",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2176,6 +2183,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2230,6 +2238,7 @@
         {
           "type": "linkReference",
           "identifier": "restructuredtext",
+          "label": "reStructuredText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2284,6 +2293,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2340,6 +2350,7 @@
         {
           "type": "linkReference",
           "identifier": "grutatext",
+          "label": "Grutatext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2394,6 +2405,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2448,6 +2460,7 @@
         {
           "type": "linkReference",
           "identifier": "ettext",
+          "label": "EtText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2502,6 +2515,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2580,6 +2594,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2599,6 +2614,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2618,6 +2634,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2637,6 +2654,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2656,6 +2674,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2675,6 +2694,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -5219,6 +5239,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -5273,6 +5294,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5348,6 +5370,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5367,6 +5390,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5423,6 +5447,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5477,6 +5502,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5531,6 +5557,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5585,6 +5612,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -8903,6 +8931,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
@@ -10272,6 +10301,7 @@
         {
           "type": "linkReference",
           "identifier": "daring fireball",
+          "label": "Daring Fireball",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.commonmark.pedantic.json b/test/fixtures/tree/markdown-documentation-syntax.commonmark.pedantic.json
index ca2ad90e2..a3ead366c 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.commonmark.pedantic.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.commonmark.pedantic.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2122,6 +2128,7 @@
         {
           "type": "linkReference",
           "identifier": "textile",
+          "label": "Textile",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2176,6 +2183,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2230,6 +2238,7 @@
         {
           "type": "linkReference",
           "identifier": "restructuredtext",
+          "label": "reStructuredText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2284,6 +2293,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2340,6 +2350,7 @@
         {
           "type": "linkReference",
           "identifier": "grutatext",
+          "label": "Grutatext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2394,6 +2405,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2448,6 +2460,7 @@
         {
           "type": "linkReference",
           "identifier": "ettext",
+          "label": "EtText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2502,6 +2515,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2580,6 +2594,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2599,6 +2614,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2618,6 +2634,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2637,6 +2654,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2656,6 +2674,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2675,6 +2694,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -5219,6 +5239,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -5273,6 +5294,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5348,6 +5370,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5367,6 +5390,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5423,6 +5447,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5477,6 +5502,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5531,6 +5557,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5585,6 +5612,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -8903,6 +8931,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
@@ -10272,6 +10301,7 @@
         {
           "type": "linkReference",
           "identifier": "daring fireball",
+          "label": "Daring Fireball",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.json b/test/fixtures/tree/markdown-documentation-syntax.json
index 8b854c6a3..0324d32af 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "full",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "full",
           "children": [
             {
@@ -2124,6 +2130,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "full",
           "children": [
             {
@@ -2178,6 +2185,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "full",
           "children": [
             {
@@ -2256,6 +2264,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2275,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2294,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2313,6 +2324,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2332,6 +2344,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2351,6 +2364,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -4895,6 +4909,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -4949,6 +4964,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5024,6 +5040,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5043,6 +5060,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5099,6 +5117,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -5153,6 +5172,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -8471,6 +8491,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.json b/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.json
index 273c6d7be..e2701b3cf 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2122,6 +2128,7 @@
         {
           "type": "linkReference",
           "identifier": "textile",
+          "label": "Textile",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2176,6 +2183,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2230,6 +2238,7 @@
         {
           "type": "linkReference",
           "identifier": "restructuredtext",
+          "label": "reStructuredText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2284,6 +2293,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2340,6 +2350,7 @@
         {
           "type": "linkReference",
           "identifier": "grutatext",
+          "label": "Grutatext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2394,6 +2405,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2448,6 +2460,7 @@
         {
           "type": "linkReference",
           "identifier": "ettext",
+          "label": "EtText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2502,6 +2515,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2580,6 +2594,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2599,6 +2614,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2618,6 +2634,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2637,6 +2654,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2656,6 +2674,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2675,6 +2694,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -5219,6 +5239,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -5273,6 +5294,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5348,6 +5370,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5367,6 +5390,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5423,6 +5447,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5477,6 +5502,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5531,6 +5557,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5585,6 +5612,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -8903,6 +8931,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
@@ -10272,6 +10301,7 @@
         {
           "type": "linkReference",
           "identifier": "daring fireball",
+          "label": "Daring Fireball",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.pedantic.json b/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.pedantic.json
index 273c6d7be..e2701b3cf 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.pedantic.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.nogfm.commonmark.pedantic.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2122,6 +2128,7 @@
         {
           "type": "linkReference",
           "identifier": "textile",
+          "label": "Textile",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2176,6 +2183,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2230,6 +2238,7 @@
         {
           "type": "linkReference",
           "identifier": "restructuredtext",
+          "label": "reStructuredText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2284,6 +2293,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2340,6 +2350,7 @@
         {
           "type": "linkReference",
           "identifier": "grutatext",
+          "label": "Grutatext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2394,6 +2405,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2448,6 +2460,7 @@
         {
           "type": "linkReference",
           "identifier": "ettext",
+          "label": "EtText",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2502,6 +2515,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2580,6 +2594,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2599,6 +2614,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2618,6 +2634,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2637,6 +2654,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2656,6 +2674,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2675,6 +2694,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -5219,6 +5239,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -5273,6 +5294,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5348,6 +5370,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5367,6 +5390,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5423,6 +5447,7 @@
         {
           "type": "linkReference",
           "identifier": "setext",
+          "label": "Setext",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5477,6 +5502,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5531,6 +5557,7 @@
         {
           "type": "linkReference",
           "identifier": "atx",
+          "label": "atx",
           "referenceType": "shortcut",
           "children": [
             {
@@ -5585,6 +5612,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "shortcut",
           "children": [
             {
@@ -8903,6 +8931,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
@@ -10272,6 +10301,7 @@
         {
           "type": "linkReference",
           "identifier": "daring fireball",
+          "label": "Daring Fireball",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.nogfm.json b/test/fixtures/tree/markdown-documentation-syntax.nogfm.json
index 8b854c6a3..0324d32af 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.nogfm.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.nogfm.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "full",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "full",
           "children": [
             {
@@ -2124,6 +2130,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "full",
           "children": [
             {
@@ -2178,6 +2185,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "full",
           "children": [
             {
@@ -2256,6 +2264,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2275,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2294,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2313,6 +2324,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2332,6 +2344,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2351,6 +2364,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -4895,6 +4909,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -4949,6 +4964,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5024,6 +5040,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5043,6 +5060,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5099,6 +5117,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -5153,6 +5172,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -8471,6 +8491,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.nogfm.pedantic.json b/test/fixtures/tree/markdown-documentation-syntax.nogfm.pedantic.json
index 8b854c6a3..0324d32af 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.nogfm.pedantic.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.nogfm.pedantic.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "full",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "full",
           "children": [
             {
@@ -2124,6 +2130,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "full",
           "children": [
             {
@@ -2178,6 +2185,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "full",
           "children": [
             {
@@ -2256,6 +2264,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2275,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2294,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2313,6 +2324,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2332,6 +2344,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2351,6 +2364,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -4895,6 +4909,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -4949,6 +4964,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5024,6 +5040,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5043,6 +5060,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5099,6 +5117,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -5153,6 +5172,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -8471,6 +8491,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/markdown-documentation-syntax.pedantic.json b/test/fixtures/tree/markdown-documentation-syntax.pedantic.json
index 8b854c6a3..0324d32af 100644
--- a/test/fixtures/tree/markdown-documentation-syntax.pedantic.json
+++ b/test/fixtures/tree/markdown-documentation-syntax.pedantic.json
@@ -1706,6 +1706,7 @@
         {
           "type": "linkReference",
           "identifier": "src",
+          "label": "src",
           "referenceType": "full",
           "children": [
             {
@@ -1777,6 +1778,7 @@
     {
       "type": "definition",
       "identifier": "src",
+      "label": "src",
       "title": null,
       "url": "/projects/markdown/syntax.text",
       "position": {
@@ -1906,6 +1908,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -1960,6 +1963,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -2014,6 +2018,7 @@
         {
           "type": "linkReference",
           "identifier": "3",
+          "label": "3",
           "referenceType": "full",
           "children": [
             {
@@ -2068,6 +2073,7 @@
         {
           "type": "linkReference",
           "identifier": "4",
+          "label": "4",
           "referenceType": "full",
           "children": [
             {
@@ -2124,6 +2130,7 @@
         {
           "type": "linkReference",
           "identifier": "5",
+          "label": "5",
           "referenceType": "full",
           "children": [
             {
@@ -2178,6 +2185,7 @@
         {
           "type": "linkReference",
           "identifier": "6",
+          "label": "6",
           "referenceType": "full",
           "children": [
             {
@@ -2256,6 +2264,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "http://docutils.sourceforge.net/mirror/setext.html",
       "position": {
@@ -2275,6 +2284,7 @@
     {
       "type": "definition",
       "identifier": "2",
+      "label": "2",
       "title": null,
       "url": "http://www.aaronsw.com/2002/atx/",
       "position": {
@@ -2294,6 +2304,7 @@
     {
       "type": "definition",
       "identifier": "3",
+      "label": "3",
       "title": null,
       "url": "http://textism.com/tools/textile/",
       "position": {
@@ -2313,6 +2324,7 @@
     {
       "type": "definition",
       "identifier": "4",
+      "label": "4",
       "title": null,
       "url": "http://docutils.sourceforge.net/rst.html",
       "position": {
@@ -2332,6 +2344,7 @@
     {
       "type": "definition",
       "identifier": "5",
+      "label": "5",
       "title": null,
       "url": "http://www.triptico.com/software/grutatxt.html",
       "position": {
@@ -2351,6 +2364,7 @@
     {
       "type": "definition",
       "identifier": "6",
+      "label": "6",
       "title": null,
       "url": "http://ettext.taint.org/doc/",
       "position": {
@@ -4895,6 +4909,7 @@
         {
           "type": "linkReference",
           "identifier": "bq",
+          "label": "bq",
           "referenceType": "full",
           "children": [
             {
@@ -4949,6 +4964,7 @@
         {
           "type": "linkReference",
           "identifier": "l",
+          "label": "l",
           "referenceType": "full",
           "children": [
             {
@@ -5024,6 +5040,7 @@
     {
       "type": "definition",
       "identifier": "bq",
+      "label": "bq",
       "title": null,
       "url": "#blockquote",
       "position": {
@@ -5043,6 +5060,7 @@
     {
       "type": "definition",
       "identifier": "l",
+      "label": "l",
       "title": null,
       "url": "#list",
       "position": {
@@ -5099,6 +5117,7 @@
         {
           "type": "linkReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "children": [
             {
@@ -5153,6 +5172,7 @@
         {
           "type": "linkReference",
           "identifier": "2",
+          "label": "2",
           "referenceType": "full",
           "children": [
             {
@@ -8471,6 +8491,7 @@
         {
           "type": "linkReference",
           "identifier": "square brackets",
+          "label": "square brackets",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/nested-references.commonmark.footnotes.json b/test/fixtures/tree/nested-references.commonmark.footnotes.json
index 2390ecd74..939ede909 100644
--- a/test/fixtures/tree/nested-references.commonmark.footnotes.json
+++ b/test/fixtures/tree/nested-references.commonmark.footnotes.json
@@ -42,11 +42,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "imageReference",
               "identifier": "bar",
+              "label": "bar",
               "referenceType": "full",
               "alt": "Foo",
               "position": {
@@ -134,6 +136,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -224,11 +227,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "footnoteReference",
               "identifier": "foo",
+              "label": "foo",
               "position": {
                 "start": {
                   "line": 11,
@@ -276,6 +281,7 @@
     {
       "type": "definition",
       "identifier": "bar",
+      "label": "bar",
       "title": "bar",
       "url": "https://bar.com",
       "position": {
@@ -295,6 +301,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "baz",
       "url": "https://baz.com",
       "position": {
@@ -314,6 +321,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/nested-references.commonmark.json b/test/fixtures/tree/nested-references.commonmark.json
index f6369211b..284918b2c 100644
--- a/test/fixtures/tree/nested-references.commonmark.json
+++ b/test/fixtures/tree/nested-references.commonmark.json
@@ -42,11 +42,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "imageReference",
               "identifier": "bar",
+              "label": "bar",
               "referenceType": "full",
               "alt": "Foo",
               "position": {
@@ -134,6 +136,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -224,6 +227,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -276,6 +280,7 @@
     {
       "type": "definition",
       "identifier": "bar",
+      "label": "bar",
       "title": "bar",
       "url": "https://bar.com",
       "position": {
@@ -295,6 +300,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "baz",
       "url": "https://baz.com",
       "position": {
@@ -317,6 +323,7 @@
         {
           "type": "linkReference",
           "identifier": "^foo",
+          "label": "^foo",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/nested-references.footnotes.json b/test/fixtures/tree/nested-references.footnotes.json
index 2390ecd74..939ede909 100644
--- a/test/fixtures/tree/nested-references.footnotes.json
+++ b/test/fixtures/tree/nested-references.footnotes.json
@@ -42,11 +42,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "imageReference",
               "identifier": "bar",
+              "label": "bar",
               "referenceType": "full",
               "alt": "Foo",
               "position": {
@@ -134,6 +136,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -224,11 +227,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "footnoteReference",
               "identifier": "foo",
+              "label": "foo",
               "position": {
                 "start": {
                   "line": 11,
@@ -276,6 +281,7 @@
     {
       "type": "definition",
       "identifier": "bar",
+      "label": "bar",
       "title": "bar",
       "url": "https://bar.com",
       "position": {
@@ -295,6 +301,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "baz",
       "url": "https://baz.com",
       "position": {
@@ -314,6 +321,7 @@
     {
       "type": "footnoteDefinition",
       "identifier": "foo",
+      "label": "foo",
       "children": [
         {
           "type": "paragraph",
diff --git a/test/fixtures/tree/nested-references.json b/test/fixtures/tree/nested-references.json
index f6369211b..284918b2c 100644
--- a/test/fixtures/tree/nested-references.json
+++ b/test/fixtures/tree/nested-references.json
@@ -42,11 +42,13 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
               "type": "imageReference",
               "identifier": "bar",
+              "label": "bar",
               "referenceType": "full",
               "alt": "Foo",
               "position": {
@@ -134,6 +136,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -224,6 +227,7 @@
         {
           "type": "linkReference",
           "identifier": "baz",
+          "label": "baz",
           "referenceType": "full",
           "children": [
             {
@@ -276,6 +280,7 @@
     {
       "type": "definition",
       "identifier": "bar",
+      "label": "bar",
       "title": "bar",
       "url": "https://bar.com",
       "position": {
@@ -295,6 +300,7 @@
     {
       "type": "definition",
       "identifier": "baz",
+      "label": "baz",
       "title": "baz",
       "url": "https://baz.com",
       "position": {
@@ -317,6 +323,7 @@
         {
           "type": "linkReference",
           "identifier": "^foo",
+          "label": "^foo",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/nested-square-link.commonmark.json b/test/fixtures/tree/nested-square-link.commonmark.json
index 3a9388b68..25a462c4f 100644
--- a/test/fixtures/tree/nested-square-link.commonmark.json
+++ b/test/fixtures/tree/nested-square-link.commonmark.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "the `",
+          "label": "the `",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/nested-square-link.json b/test/fixtures/tree/nested-square-link.json
index 3a9388b68..25a462c4f 100644
--- a/test/fixtures/tree/nested-square-link.json
+++ b/test/fixtures/tree/nested-square-link.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "the `",
+          "label": "the `",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/ref-paren.json b/test/fixtures/tree/ref-paren.json
index ba837a11a..c60f99e80 100644
--- a/test/fixtures/tree/ref-paren.json
+++ b/test/fixtures/tree/ref-paren.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "hi",
+          "label": "hi",
           "referenceType": "shortcut",
           "children": [
             {
@@ -59,6 +60,7 @@
     {
       "type": "definition",
       "identifier": "hi",
+      "label": "hi",
       "title": "there",
       "url": "/url",
       "position": {
diff --git a/test/fixtures/tree/reference-image-empty-alt.json b/test/fixtures/tree/reference-image-empty-alt.json
index ec104bfb7..1902a606e 100644
--- a/test/fixtures/tree/reference-image-empty-alt.json
+++ b/test/fixtures/tree/reference-image-empty-alt.json
@@ -7,6 +7,7 @@
         {
           "type": "imageReference",
           "identifier": "1",
+          "label": "1",
           "referenceType": "full",
           "alt": null,
           "position": {
@@ -41,6 +42,7 @@
     {
       "type": "definition",
       "identifier": "1",
+      "label": "1",
       "title": null,
       "url": "/xyz.png",
       "position": {
diff --git a/test/fixtures/tree/reference-link-escape.nooutput.json b/test/fixtures/tree/reference-link-escape.nooutput.json
index 33cebbb62..fa1a411c3 100644
--- a/test/fixtures/tree/reference-link-escape.nooutput.json
+++ b/test/fixtures/tree/reference-link-escape.nooutput.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "b\\-r",
+          "label": "b\\-r",
           "referenceType": "full",
           "children": [
             {
@@ -95,6 +96,7 @@
         {
           "type": "linkReference",
           "identifier": "b\\*r*",
+          "label": "b\\*r*",
           "referenceType": "collapsed",
           "children": [
             {
@@ -183,6 +185,7 @@
         {
           "type": "linkReference",
           "identifier": "b\\*r*",
+          "label": "b\\*r*",
           "referenceType": "shortcut",
           "children": [
             {
@@ -289,6 +292,7 @@
         {
           "type": "imageReference",
           "identifier": "b\\*r*",
+          "label": "b\\*r*",
           "referenceType": "full",
           "alt": "foo",
           "position": {
@@ -325,6 +329,7 @@
         {
           "type": "imageReference",
           "identifier": "b\\*r*",
+          "label": "b\\*r*",
           "referenceType": "collapsed",
           "alt": "b*r*",
           "position": {
@@ -361,6 +366,7 @@
         {
           "type": "imageReference",
           "identifier": "b\\*r*",
+          "label": "b\\*r*",
           "referenceType": "shortcut",
           "alt": "b*r*",
           "position": {
@@ -412,6 +418,7 @@
     {
       "type": "definition",
       "identifier": "b\\*r*",
+      "label": "b\\*r*",
       "title": null,
       "url": "http://google.com",
       "position": {
diff --git a/test/fixtures/tree/reference-link-not-closed.json b/test/fixtures/tree/reference-link-not-closed.json
index 9b99a1997..4f6f09d13 100644
--- a/test/fixtures/tree/reference-link-not-closed.json
+++ b/test/fixtures/tree/reference-link-not-closed.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -79,6 +80,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
@@ -134,6 +136,7 @@
         {
           "type": "linkReference",
           "identifier": "bar",
+          "label": "bar",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/reference-link-with-angle-brackets.json b/test/fixtures/tree/reference-link-with-angle-brackets.json
index d83daaca0..d66294db6 100644
--- a/test/fixtures/tree/reference-link-with-angle-brackets.json
+++ b/test/fixtures/tree/reference-link-with-angle-brackets.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -59,6 +60,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "./url with spaces",
       "position": {
diff --git a/test/fixtures/tree/reference-link-with-multiple-definitions.json b/test/fixtures/tree/reference-link-with-multiple-definitions.json
index dd56f7796..9c64fc6fe 100644
--- a/test/fixtures/tree/reference-link-with-multiple-definitions.json
+++ b/test/fixtures/tree/reference-link-with-multiple-definitions.json
@@ -7,6 +7,7 @@
         {
           "type": "linkReference",
           "identifier": "foo",
+          "label": "foo",
           "referenceType": "shortcut",
           "children": [
             {
@@ -59,6 +60,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "first",
       "position": {
@@ -78,6 +80,7 @@
     {
       "type": "definition",
       "identifier": "foo",
+      "label": "foo",
       "title": null,
       "url": "second",
       "position": {
diff --git a/test/fixtures/tree/stringify-escape.commonmark.json b/test/fixtures/tree/stringify-escape.commonmark.json
index a087d8c2f..6c5b91395 100644
--- a/test/fixtures/tree/stringify-escape.commonmark.json
+++ b/test/fixtures/tree/stringify-escape.commonmark.json
@@ -871,6 +871,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -995,6 +996,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1521,6 +1523,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1596,6 +1599,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1705,6 +1709,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1780,6 +1785,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1889,6 +1895,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1998,6 +2005,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.commonmark.pedantic.json b/test/fixtures/tree/stringify-escape.commonmark.pedantic.json
index b4fb1524d..0d2429f1d 100644
--- a/test/fixtures/tree/stringify-escape.commonmark.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.commonmark.pedantic.json
@@ -977,6 +977,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1101,6 +1102,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1627,6 +1629,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1702,6 +1705,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1811,6 +1815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1886,6 +1891,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1995,6 +2001,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2104,6 +2111,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.json b/test/fixtures/tree/stringify-escape.json
index 8e88ebbbc..a01052538 100644
--- a/test/fixtures/tree/stringify-escape.json
+++ b/test/fixtures/tree/stringify-escape.json
@@ -871,6 +871,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -995,6 +996,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1521,6 +1523,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1596,6 +1599,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1705,6 +1709,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1780,6 +1785,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1889,6 +1895,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1998,6 +2005,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.nogfm.commonmark.json b/test/fixtures/tree/stringify-escape.nogfm.commonmark.json
index 557cf886f..be8488740 100644
--- a/test/fixtures/tree/stringify-escape.nogfm.commonmark.json
+++ b/test/fixtures/tree/stringify-escape.nogfm.commonmark.json
@@ -871,6 +871,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -995,6 +996,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1521,6 +1523,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1596,6 +1599,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1705,6 +1709,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1780,6 +1785,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1889,6 +1895,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1998,6 +2005,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.nogfm.commonmark.pedantic.json b/test/fixtures/tree/stringify-escape.nogfm.commonmark.pedantic.json
index 35266f214..79a348bad 100644
--- a/test/fixtures/tree/stringify-escape.nogfm.commonmark.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.nogfm.commonmark.pedantic.json
@@ -977,6 +977,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1101,6 +1102,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1627,6 +1629,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1702,6 +1705,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1811,6 +1815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1886,6 +1891,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1995,6 +2001,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2104,6 +2111,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.nogfm.json b/test/fixtures/tree/stringify-escape.nogfm.json
index cccf17814..2376fa47a 100644
--- a/test/fixtures/tree/stringify-escape.nogfm.json
+++ b/test/fixtures/tree/stringify-escape.nogfm.json
@@ -871,6 +871,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -995,6 +996,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1521,6 +1523,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1596,6 +1599,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1705,6 +1709,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1780,6 +1785,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1889,6 +1895,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1998,6 +2005,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.nogfm.pedantic.json b/test/fixtures/tree/stringify-escape.nogfm.pedantic.json
index ce24196b0..841b3bfb3 100644
--- a/test/fixtures/tree/stringify-escape.nogfm.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.nogfm.pedantic.json
@@ -977,6 +977,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1101,6 +1102,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1627,6 +1629,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1702,6 +1705,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1811,6 +1815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1886,6 +1891,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1995,6 +2001,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2104,6 +2111,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.commonmark.commonmark.json b/test/fixtures/tree/stringify-escape.output.commonmark.commonmark.json
index 5c179e318..0b962b900 100644
--- a/test/fixtures/tree/stringify-escape.output.commonmark.commonmark.json
+++ b/test/fixtures/tree/stringify-escape.output.commonmark.commonmark.json
@@ -674,6 +674,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -798,6 +799,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1324,6 +1326,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1399,6 +1402,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1508,6 +1512,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1583,6 +1588,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1692,6 +1698,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1801,6 +1808,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.json b/test/fixtures/tree/stringify-escape.output.json
index f6d7a8e05..3cfa1800f 100644
--- a/test/fixtures/tree/stringify-escape.output.json
+++ b/test/fixtures/tree/stringify-escape.output.json
@@ -674,6 +674,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -798,6 +799,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1324,6 +1326,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1399,6 +1402,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1508,6 +1512,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1583,6 +1588,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1692,6 +1698,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1801,6 +1808,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.nogfm.commonmark.nogfm.commonmark.json b/test/fixtures/tree/stringify-escape.output.nogfm.commonmark.nogfm.commonmark.json
index 32067fc62..d018c7adc 100644
--- a/test/fixtures/tree/stringify-escape.output.nogfm.commonmark.nogfm.commonmark.json
+++ b/test/fixtures/tree/stringify-escape.output.nogfm.commonmark.nogfm.commonmark.json
@@ -674,6 +674,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -798,6 +799,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1324,6 +1326,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1399,6 +1402,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1508,6 +1512,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1583,6 +1588,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1692,6 +1698,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1801,6 +1808,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.nogfm.nogfm.json b/test/fixtures/tree/stringify-escape.output.nogfm.nogfm.json
index d1ef7a332..4e24286d8 100644
--- a/test/fixtures/tree/stringify-escape.output.nogfm.nogfm.json
+++ b/test/fixtures/tree/stringify-escape.output.nogfm.nogfm.json
@@ -674,6 +674,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -798,6 +799,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1324,6 +1326,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1399,6 +1402,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1508,6 +1512,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1583,6 +1588,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1692,6 +1698,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1801,6 +1808,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.noposition.pedantic.noposition.pedantic.json b/test/fixtures/tree/stringify-escape.output.noposition.pedantic.noposition.pedantic.json
index c4d2dfed9..5cc07c6ab 100644
--- a/test/fixtures/tree/stringify-escape.output.noposition.pedantic.noposition.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.output.noposition.pedantic.noposition.pedantic.json
@@ -226,6 +226,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -259,6 +260,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -397,6 +399,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -420,6 +423,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -451,6 +455,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -474,6 +479,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -505,6 +511,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -536,6 +543,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.output.pedantic.pedantic.json b/test/fixtures/tree/stringify-escape.output.pedantic.pedantic.json
index af2dbcd32..b836de42b 100644
--- a/test/fixtures/tree/stringify-escape.output.pedantic.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.output.pedantic.pedantic.json
@@ -878,6 +878,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1002,6 +1003,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1528,6 +1530,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1603,6 +1606,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1712,6 +1716,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1787,6 +1792,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1896,6 +1902,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2005,6 +2012,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/stringify-escape.pedantic.json b/test/fixtures/tree/stringify-escape.pedantic.json
index bdf1ffef1..a97837c96 100644
--- a/test/fixtures/tree/stringify-escape.pedantic.json
+++ b/test/fixtures/tree/stringify-escape.pedantic.json
@@ -977,6 +977,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1101,6 +1102,7 @@
         {
           "type": "linkReference",
           "identifier": "ref",
+          "label": "ref",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1627,6 +1629,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two*three",
+                  "label": "two*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1702,6 +1705,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "two\\*three",
+                  "label": "two\\*three",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1811,6 +1815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\a",
+                  "label": "a\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1886,6 +1891,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\a",
+                  "label": "a\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1995,6 +2001,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a\\\\\\a",
+                  "label": "a\\\\\\a",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2104,6 +2111,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "a_a\\_a",
+                  "label": "a_a\\_a",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-ordered.nogfm.json b/test/fixtures/tree/task-list-ordered.nogfm.json
index 1595e5bc4..57816b105 100644
--- a/test/fixtures/tree/task-list-ordered.nogfm.json
+++ b/test/fixtures/tree/task-list-ordered.nogfm.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-ordered.nogfm.pedantic.json b/test/fixtures/tree/task-list-ordered.nogfm.pedantic.json
index 1595e5bc4..57816b105 100644
--- a/test/fixtures/tree/task-list-ordered.nogfm.pedantic.json
+++ b/test/fixtures/tree/task-list-ordered.nogfm.pedantic.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-asterisk.nogfm.json b/test/fixtures/tree/task-list-unordered-asterisk.nogfm.json
index 78212d025..3bfbdeaee 100644
--- a/test/fixtures/tree/task-list-unordered-asterisk.nogfm.json
+++ b/test/fixtures/tree/task-list-unordered-asterisk.nogfm.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-asterisk.nogfm.pedantic.json b/test/fixtures/tree/task-list-unordered-asterisk.nogfm.pedantic.json
index 2859b0111..5f8d672e9 100644
--- a/test/fixtures/tree/task-list-unordered-asterisk.nogfm.pedantic.json
+++ b/test/fixtures/tree/task-list-unordered-asterisk.nogfm.pedantic.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-dash.nogfm.json b/test/fixtures/tree/task-list-unordered-dash.nogfm.json
index 78212d025..3bfbdeaee 100644
--- a/test/fixtures/tree/task-list-unordered-dash.nogfm.json
+++ b/test/fixtures/tree/task-list-unordered-dash.nogfm.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-dash.nogfm.pedantic.json b/test/fixtures/tree/task-list-unordered-dash.nogfm.pedantic.json
index 2859b0111..5f8d672e9 100644
--- a/test/fixtures/tree/task-list-unordered-dash.nogfm.pedantic.json
+++ b/test/fixtures/tree/task-list-unordered-dash.nogfm.pedantic.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-plus.nogfm.json b/test/fixtures/tree/task-list-unordered-plus.nogfm.json
index 78212d025..3bfbdeaee 100644
--- a/test/fixtures/tree/task-list-unordered-plus.nogfm.json
+++ b/test/fixtures/tree/task-list-unordered-plus.nogfm.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list-unordered-plus.nogfm.pedantic.json b/test/fixtures/tree/task-list-unordered-plus.nogfm.pedantic.json
index 2859b0111..5f8d672e9 100644
--- a/test/fixtures/tree/task-list-unordered-plus.nogfm.pedantic.json
+++ b/test/fixtures/tree/task-list-unordered-plus.nogfm.pedantic.json
@@ -18,6 +18,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -165,6 +166,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -248,6 +250,7 @@
                         {
                           "type": "linkReference",
                           "identifier": "x",
+                          "label": "x",
                           "referenceType": "shortcut",
                           "children": [
                             {
@@ -372,6 +375,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list.commonmark.json b/test/fixtures/tree/task-list.commonmark.json
index 0c58299e7..4cda9e79e 100644
--- a/test/fixtures/tree/task-list.commonmark.json
+++ b/test/fixtures/tree/task-list.commonmark.json
@@ -56,6 +56,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -131,6 +132,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -229,6 +231,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -304,6 +307,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -760,6 +764,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -852,6 +857,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -967,6 +973,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1059,6 +1066,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2683,6 +2691,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2806,6 +2815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2967,6 +2977,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "  ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3080,6 +3091,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3180,6 +3192,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3272,6 +3285,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \t ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list.json b/test/fixtures/tree/task-list.json
index 0c58299e7..4cda9e79e 100644
--- a/test/fixtures/tree/task-list.json
+++ b/test/fixtures/tree/task-list.json
@@ -56,6 +56,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -131,6 +132,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -229,6 +231,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -304,6 +307,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -760,6 +764,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -852,6 +857,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -967,6 +973,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1059,6 +1066,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2683,6 +2691,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2806,6 +2815,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2967,6 +2977,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "  ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3080,6 +3091,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3180,6 +3192,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3272,6 +3285,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \t ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list.nogfm.commonmark.json b/test/fixtures/tree/task-list.nogfm.commonmark.json
index 594803b30..e2435223d 100644
--- a/test/fixtures/tree/task-list.nogfm.commonmark.json
+++ b/test/fixtures/tree/task-list.nogfm.commonmark.json
@@ -56,6 +56,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -131,6 +132,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -229,6 +231,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -304,6 +307,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -440,6 +444,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -532,6 +537,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -647,6 +653,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -739,6 +746,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -892,6 +900,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -984,6 +993,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1099,6 +1109,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1191,6 +1202,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1344,6 +1356,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1436,6 +1449,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1551,6 +1565,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1643,6 +1658,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1796,6 +1812,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1888,6 +1905,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2003,6 +2021,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2095,6 +2114,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2248,6 +2268,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2340,6 +2361,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2455,6 +2477,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2547,6 +2570,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2700,6 +2724,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2792,6 +2817,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2907,6 +2933,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2999,6 +3026,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3152,6 +3180,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3244,6 +3273,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3359,6 +3389,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3451,6 +3482,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3604,6 +3636,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3717,6 +3750,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3830,6 +3864,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3922,6 +3957,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4037,6 +4073,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4188,6 +4225,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4311,6 +4349,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4472,6 +4511,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "  ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4585,6 +4625,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4685,6 +4726,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4777,6 +4819,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \t ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/task-list.nogfm.json b/test/fixtures/tree/task-list.nogfm.json
index 594803b30..e2435223d 100644
--- a/test/fixtures/tree/task-list.nogfm.json
+++ b/test/fixtures/tree/task-list.nogfm.json
@@ -56,6 +56,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -131,6 +132,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -229,6 +231,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -304,6 +307,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -440,6 +444,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -532,6 +537,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -647,6 +653,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -739,6 +746,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -892,6 +900,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -984,6 +993,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1099,6 +1109,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1191,6 +1202,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1344,6 +1356,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1436,6 +1449,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1551,6 +1565,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1643,6 +1658,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1796,6 +1812,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -1888,6 +1905,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2003,6 +2021,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2095,6 +2114,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2248,6 +2268,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2340,6 +2361,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2455,6 +2477,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2547,6 +2570,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2700,6 +2724,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2792,6 +2817,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2907,6 +2933,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -2999,6 +3026,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3152,6 +3180,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3244,6 +3273,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3359,6 +3389,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3451,6 +3482,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3604,6 +3636,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3717,6 +3750,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "x",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3830,6 +3864,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -3922,6 +3957,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4037,6 +4073,7 @@
                 {
                   "type": "linkReference",
                   "identifier": "x",
+                  "label": "X",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4188,6 +4225,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4311,6 +4349,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4472,6 +4511,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "  ",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4585,6 +4625,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \n",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4685,6 +4726,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": "\t\t",
                   "referenceType": "shortcut",
                   "children": [
                     {
@@ -4777,6 +4819,7 @@
                 {
                   "type": "linkReference",
                   "identifier": " ",
+                  "label": " \t ",
                   "referenceType": "shortcut",
                   "children": [
                     {
diff --git a/test/fixtures/tree/title-attributes.commonmark.json b/test/fixtures/tree/title-attributes.commonmark.json
index 2115e5a7c..c386b38bd 100644
--- a/test/fixtures/tree/title-attributes.commonmark.json
+++ b/test/fixtures/tree/title-attributes.commonmark.json
@@ -2802,6 +2802,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2874,6 +2875,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3202,6 +3204,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3274,6 +3277,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -4003,6 +4007,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4057,6 +4062,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4295,6 +4301,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4349,6 +4356,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/title-attributes.json b/test/fixtures/tree/title-attributes.json
index 9e8943034..5ee5a655f 100644
--- a/test/fixtures/tree/title-attributes.json
+++ b/test/fixtures/tree/title-attributes.json
@@ -3479,6 +3479,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3551,6 +3552,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3623,6 +3625,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3695,6 +3698,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3835,6 +3839,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -3975,6 +3980,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -4703,6 +4709,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4757,6 +4764,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4811,6 +4819,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4865,6 +4874,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -4987,6 +4997,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -5109,6 +5120,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/title-attributes.nogfm.commonmark.json b/test/fixtures/tree/title-attributes.nogfm.commonmark.json
index fa2024b95..c5583a0aa 100644
--- a/test/fixtures/tree/title-attributes.nogfm.commonmark.json
+++ b/test/fixtures/tree/title-attributes.nogfm.commonmark.json
@@ -505,6 +505,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -577,6 +578,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -905,6 +907,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -977,6 +980,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1706,6 +1710,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -1760,6 +1765,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -1998,6 +2004,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2052,6 +2059,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/title-attributes.nogfm.json b/test/fixtures/tree/title-attributes.nogfm.json
index c4d4e08fa..824167ca0 100644
--- a/test/fixtures/tree/title-attributes.nogfm.json
+++ b/test/fixtures/tree/title-attributes.nogfm.json
@@ -1182,6 +1182,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1254,6 +1255,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1326,6 +1328,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1398,6 +1401,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1538,6 +1542,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -1678,6 +1683,7 @@
         {
           "type": "linkReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "children": [
             {
@@ -2406,6 +2412,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2460,6 +2467,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2514,6 +2522,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2568,6 +2577,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2690,6 +2700,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
@@ -2812,6 +2823,7 @@
         {
           "type": "imageReference",
           "identifier": "hello",
+          "label": "Hello",
           "referenceType": "shortcut",
           "alt": "Hello",
           "position": {
diff --git a/test/fixtures/tree/toplevel-paragraphs.commonmark.json b/test/fixtures/tree/toplevel-paragraphs.commonmark.json
index 714d729f1..4395cfc6b 100644
--- a/test/fixtures/tree/toplevel-paragraphs.commonmark.json
+++ b/test/fixtures/tree/toplevel-paragraphs.commonmark.json
@@ -626,6 +626,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "full",
           "children": [
             {
@@ -682,6 +683,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/toplevel-paragraphs.json b/test/fixtures/tree/toplevel-paragraphs.json
index 9ec542cac..65f85187a 100644
--- a/test/fixtures/tree/toplevel-paragraphs.json
+++ b/test/fixtures/tree/toplevel-paragraphs.json
@@ -658,6 +658,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "full",
           "children": [
             {
@@ -710,6 +711,7 @@
     {
       "type": "definition",
       "identifier": "how",
+      "label": "how",
       "title": null,
       "url": "/are/you",
       "position": {
diff --git a/test/fixtures/tree/toplevel-paragraphs.nogfm.commonmark.json b/test/fixtures/tree/toplevel-paragraphs.nogfm.commonmark.json
index a3ec8a571..6c7f13357 100644
--- a/test/fixtures/tree/toplevel-paragraphs.nogfm.commonmark.json
+++ b/test/fixtures/tree/toplevel-paragraphs.nogfm.commonmark.json
@@ -630,6 +630,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "full",
           "children": [
             {
@@ -686,6 +687,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "shortcut",
           "children": [
             {
diff --git a/test/fixtures/tree/toplevel-paragraphs.nogfm.json b/test/fixtures/tree/toplevel-paragraphs.nogfm.json
index 8c6731447..5133d68c2 100644
--- a/test/fixtures/tree/toplevel-paragraphs.nogfm.json
+++ b/test/fixtures/tree/toplevel-paragraphs.nogfm.json
@@ -590,6 +590,7 @@
         {
           "type": "linkReference",
           "identifier": "how",
+          "label": "how",
           "referenceType": "full",
           "children": [
             {
@@ -642,6 +643,7 @@
     {
       "type": "definition",
       "identifier": "how",
+      "label": "how",
       "title": null,
       "url": "/are/you",
       "position": {
diff --git a/test/remark-stringify.js b/test/remark-stringify.js
index 5ff6b63d9..9dbaf942a 100644
--- a/test/remark-stringify.js
+++ b/test/remark-stringify.js
@@ -255,6 +255,93 @@ test('remark().stringify(ast, file)', function (t) {
     });
   });
 
+  t.test('should process references with casing properly', function (st) {
+    /* Data-driven tests in the format: [name, value] */
+    var tests = [
+      ['capitalized link references - full', '[alpha][Bravo]'],
+      ['capitalized link references - collapsed', '[Bravo][]'],
+      ['capitalized link references - shortcut', '[Bravo]'],
+      ['capitalized image references - full', '![alpha][Bravo]'],
+      ['capitalized image references - collapsed', '![Bravo][]'],
+      ['capitalized image references - shortcut', '![Bravo]'],
+      ['capitalized footnote references', '[^Alpha]']
+    ];
+
+    tests.forEach(each);
+
+    st.end();
+
+    function each(test) {
+      st.equal(
+        remark()
+          .processSync(test[1])
+          .toString(),
+        test[1] + '\n',
+        test[0]
+      );
+    }
+  });
+
+  t.test('should process associations without label', function (st) {
+    st.equal(
+      stringify({
+        type: 'definition',
+        identifier: 'a',
+        url: 'example.com'
+      }),
+      '[a]: example.com',
+      'definition'
+    );
+
+    st.equal(
+      stringify({
+        type: 'footnoteDefinition',
+        identifier: 'a',
+        children: [{
+          type: 'paragraph',
+          children: [{type: 'text', value: 'b'}]
+        }]
+      }),
+      '[^a]: b',
+      'footnote definition'
+    );
+
+    st.equal(
+      stringify({
+        type: 'linkReference',
+        identifier: 'a',
+        children: [{type: 'text', value: 'b'}]
+      }),
+      '[b][a]',
+      'link reference'
+    );
+
+    st.equal(
+      stringify({
+        type: 'imageReference',
+        identifier: 'a',
+        alt: 'b'
+      }),
+      '![b][a]',
+      'image reference'
+    );
+
+    st.equal(
+      stringify({
+        type: 'footnoteReference',
+        identifier: 'a'
+      }),
+      '[^a]',
+      'footnote reference'
+    );
+
+    st.end();
+
+    function stringify(value) {
+      return String(remark().stringify(value));
+    }
+  });
+
   t.test('should support `stringLength`', function (st) {
     st.plan(2);