diff --git a/mozilla/editor/base/nsHTMLEditor.cpp b/mozilla/editor/base/nsHTMLEditor.cpp
index 5a2aa98c821..2c9fdc1efb8 100644
--- a/mozilla/editor/base/nsHTMLEditor.cpp
+++ b/mozilla/editor/base/nsHTMLEditor.cpp
@@ -193,6 +193,11 @@ NS_IMETHODIMP nsHTMLEditor::SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSe
   return nsTextEditor::SelectPrevious(aIncrement, aExtendSelection);
 }
 
+NS_IMETHODIMP nsHTMLEditor::SelectAll()
+{
+  return nsTextEditor::SelectAll();
+}
+
 NS_IMETHODIMP nsHTMLEditor::ScrollUp(nsIAtom *aIncrement)
 {
   return nsTextEditor::ScrollUp(aIncrement);
diff --git a/mozilla/editor/base/nsHTMLEditor.h b/mozilla/editor/base/nsHTMLEditor.h
index 15870b4a7b6..40d57df3855 100644
--- a/mozilla/editor/base/nsHTMLEditor.h
+++ b/mozilla/editor/base/nsHTMLEditor.h
@@ -73,6 +73,7 @@ public:
   NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
   NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection); 
   NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
+  NS_IMETHOD SelectAll();
   NS_IMETHOD ScrollUp(nsIAtom *aIncrement);
   NS_IMETHOD ScrollDown(nsIAtom *aIncrement);
   NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin);
diff --git a/mozilla/editor/libeditor/html/nsHTMLEditor.cpp b/mozilla/editor/libeditor/html/nsHTMLEditor.cpp
index 5a2aa98c821..2c9fdc1efb8 100644
--- a/mozilla/editor/libeditor/html/nsHTMLEditor.cpp
+++ b/mozilla/editor/libeditor/html/nsHTMLEditor.cpp
@@ -193,6 +193,11 @@ NS_IMETHODIMP nsHTMLEditor::SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSe
   return nsTextEditor::SelectPrevious(aIncrement, aExtendSelection);
 }
 
+NS_IMETHODIMP nsHTMLEditor::SelectAll()
+{
+  return nsTextEditor::SelectAll();
+}
+
 NS_IMETHODIMP nsHTMLEditor::ScrollUp(nsIAtom *aIncrement)
 {
   return nsTextEditor::ScrollUp(aIncrement);
diff --git a/mozilla/editor/libeditor/html/nsHTMLEditor.h b/mozilla/editor/libeditor/html/nsHTMLEditor.h
index 15870b4a7b6..40d57df3855 100644
--- a/mozilla/editor/libeditor/html/nsHTMLEditor.h
+++ b/mozilla/editor/libeditor/html/nsHTMLEditor.h
@@ -73,6 +73,7 @@ public:
   NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
   NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection); 
   NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
+  NS_IMETHOD SelectAll();
   NS_IMETHOD ScrollUp(nsIAtom *aIncrement);
   NS_IMETHOD ScrollDown(nsIAtom *aIncrement);
   NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin);
diff --git a/mozilla/editor/public/nsIHTMLEditor.h b/mozilla/editor/public/nsIHTMLEditor.h
index f45cad888de..83c0e56d017 100644
--- a/mozilla/editor/public/nsIHTMLEditor.h
+++ b/mozilla/editor/public/nsIHTMLEditor.h
@@ -68,6 +68,7 @@ public:
   NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
   NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection)=0; 
   NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
+  NS_IMETHOD SelectAll()=0;
   NS_IMETHOD ScrollUp(nsIAtom *aIncrement)=0;
   NS_IMETHOD ScrollDown(nsIAtom *aIncrement)=0;
   NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin)=0;