diff --git a/dist/python-docx-1961rc1.tar.gz b/dist/python-docx-1961rc1.tar.gz
new file mode 100644
index 000000000..2e00da528
Binary files /dev/null and b/dist/python-docx-1961rc1.tar.gz differ
diff --git a/docx/oxml/table.py b/docx/oxml/table.py
index 387b05063..436d7a929 100644
--- a/docx/oxml/table.py
+++ b/docx/oxml/table.py
@@ -805,6 +805,7 @@ class CT_TcPr(BaseOxmlElement):
     gridSpan = ZeroOrOne('w:gridSpan', successors=_tag_seq[3:])
     tcBorders = ZeroOrOne('w:tcBorders', successors = ('w:tcPr',))
     vMerge = ZeroOrOne('w:vMerge', successors=_tag_seq[5:])
+    shd = ZeroOrOne('w:shd', successors=_tag_seq[7:])
     vAlign = ZeroOrOne('w:vAlign', successors=_tag_seq[12:])
     
     del _tag_seq
diff --git a/docx/oxml/text/delrun.py b/docx/oxml/text/delrun.py
index 9f897ca44..0245da98f 100644
--- a/docx/oxml/text/delrun.py
+++ b/docx/oxml/text/delrun.py
@@ -12,7 +12,7 @@
 
 from ..ns import qn
 from ..simpletypes import ST_BrClear, ST_BrType
-from ..xmlchemy import (BaseOxmlElement, OptionalAttribute, ZeroOrMore, ZeroOrOne)
+from ..xmlchemy import (BaseOxmlElement, OptionalAttribute, ZeroOrMore, ZeroOrOne, OxmlElement)
 
 
 class CT_DR(BaseOxmlElement):
@@ -46,14 +46,16 @@ def text(self):
     @text.setter
     def text(self, text):
         self.clear_content()
-        _RunContentAppender.append_to_run_from_text(self, text)
+        new_run = OxmlElement("w:r")
+        new_run.add_dt(text)
+        self.append(new_run)
 
     def clear_content(self):
         """
         Remove all child elements except the ``<w:rPr>`` element if present.
         """
-        content_child_elms = self[1:] if self.rPr is not None else self[:]
-        for child in content_child_elms:
+        # content_child_elms = self[1:] if self.rPr is not None else self[:]
+        for child in self[:]:
             self.remove(child)
 
     def copy_rpr(self,rprCopy):
diff --git a/docx/oxml/text/insrun.py b/docx/oxml/text/insrun.py
index 4b65d001b..5b0e24014 100644
--- a/docx/oxml/text/insrun.py
+++ b/docx/oxml/text/insrun.py
@@ -12,7 +12,7 @@
 
 from ..ns import qn
 from ..simpletypes import ST_BrClear, ST_BrType
-from ..xmlchemy import (BaseOxmlElement, OptionalAttribute, ZeroOrMore, ZeroOrOne)
+from ..xmlchemy import (BaseOxmlElement, OptionalAttribute, ZeroOrMore, ZeroOrOne, OxmlElement)
 
 
 class CT_IR(BaseOxmlElement):
@@ -47,7 +47,9 @@ def text(self):
     @text.setter
     def text(self, text):
         self.clear_content()
-        _RunContentAppender.append_to_run_from_text(self, text)
+        new_run = OxmlElement("w:r")
+        new_run.text = text
+        self.append(new_run)
 
     def copy_rpr(self,rprCopy):
         rPr = self._r.get_or_add_rPr()
@@ -86,8 +88,8 @@ def clear_content(self):
         """
         Remove all child elements except the ``<w:rPr>`` element if present.
         """
-        content_child_elms = self[1:] if self.rPr is not None else self[:]
-        for child in content_child_elms:
+        # content_child_elms = self[1:] if self.rPr is not None else self[:]
+        for child in self[:]:
             self.remove(child)