From 49e7f51995331cc41d1d3e2cbd6a41c22db60108 Mon Sep 17 00:00:00 2001
From: takejohn <takejohn@takejohn.jp>
Date: Sat, 1 Feb 2025 16:14:05 +0900
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---
 docs/en/references/syntax.md | 36 ++++++++++++++++++++++++++++++++++++
 docs/ja/references/syntax.md | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/docs/en/references/syntax.md b/docs/en/references/syntax.md
index 643d5e3..92883fb 100644
--- a/docs/en/references/syntax.md
+++ b/docs/en/references/syntax.md
@@ -419,3 +419,39 @@ var foo = exists bar
 // Variable foo exists, so true
 var bar = exists foo
 ```
+
+## Labeled Statements and Expressions
+The following statements and expressions can be labeled.
+- [`for`](#for)
+- [`each`](#each)
+- [`while`](#while)
+- [`do-while`](#do-while)
+- [`loop`](#loop)
+- [`if`](#if)
+- [`eval`](#eval)
+- [`match`](#match)
+
+You can exit outer blocks using labeled `break` and `continue` statements in nested blocks.
+```aiscript playground
+#outer: for let x, 3 {
+	for let y, 2 {
+		if (x == 1 && y == 1) {
+			continue #outer
+		}
+		<: [x, y]
+	}
+}
+```
+
+A `break` statement associated with `eval`, `if`, or `match` can include a value.
+```aiscript playground
+<: #label1: eval {
+	break #label1
+	1
+} // => null
+
+<: #label2: eval {
+	break #label2 2
+	3
+} // => 2
+```
diff --git a/docs/ja/references/syntax.md b/docs/ja/references/syntax.md
index 8a0c1b6..2b22358 100644
--- a/docs/ja/references/syntax.md
+++ b/docs/ja/references/syntax.md
@@ -419,3 +419,39 @@ var foo = exists bar
 // 変数fooが存在するためtrue
 var bar = exists foo
 ```
+
+## ラベル構文
+以下の文や式にラベルを付与することができます。
+- [`for`](#for)
+- [`each`](#each)
+- [`while`](#while)
+- [`do-while`](#do-while)
+- [`loop`](#loop)
+- [`if`](#if)
+- [`eval`](#eval)
+- [`match`](#match)
+
+ネストしたブロック内でラベルを付与した`break`文や`continue`文を使用することで外側のブロックから脱出することができます。
+```aiscript playground
+#outer: for let x, 3 {
+	for let y, 2 {
+		if (x == 1 && y == 1) {
+			continue #outer
+		}
+		<: [x, y]
+	}
+}
+```
+
+`eval`または`if`, `match`に対応するbreak文には値を指定することができます。
+```aiscript playground
+<: #label1: eval {
+	break #label1
+	1
+} // => null
+
+<: #label2: eval {
+	break #label2 2
+	3
+} // => 2
+```