19428: fix copying from a document with a doctype.

Also add test cases to notice this if it ever regresses.
Fix from harishd, r=me, a=rickg.


git-svn-id: svn://10.0.0.236/trunk@61464 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/parser/htmlparser/src/nsHTMLToTXTSinkStream.cpp

@@ -426,7 +426,7 @@ nsHTMLToTXTSinkStream::OpenContainer(const nsIParserNode& aNode)
   printf("OpenContainer: %d    ", type);
 #endif  
   const nsString&   name = aNode.GetText();
-  if (name.Equals("XIF_DOC_INFO"))
+  if (name.Equals("document_info"))
   {
     nsString value;
     if (NS_SUCCEEDED(GetValueOfAttribute(aNode, "charset", value)))