diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index cc9f1288d..6c84e27fd 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -200,6 +200,10 @@ function Ace2Inner(){
 
   var authorInfos = {}; // presence of key determines if author is present in doc
 
+  function getAuthorInfos(){
+	return authorInfos;
+  };
+ editorInfo.ace_getAuthorInfos= getAuthorInfos;
   function setAuthorInfo(author, info)
   {
     if ((typeof author) != "string")
@@ -884,7 +888,12 @@ function Ace2Inner(){
   editorInfo.ace_setEditable = setEditable;
   editorInfo.ace_execCommand = execCommand;
   editorInfo.ace_replaceRange = replaceRange;
-
+  editorInfo.ace_performDocumentReplaceRange = performDocumentReplaceRange;
+  editorInfo.ace_performDocumentReplaceCharRange = performDocumentReplaceCharRange;
+  editorInfo.ace_renumberList = renumberList;
+  editorInfo.ace_doReturnKey = doReturnKey;
+  editorInfo.ace_isBlockElement = isBlockElement;
+  editorInfo.ace_getLineListType = getLineListType;  
   editorInfo.ace_callWithAce = function(fn, callStack, normalize)
   {
     var wrapper = function()
@@ -1683,16 +1692,34 @@ function Ace2Inner(){
     p.mark("findsel");
     // if the nodes that define the selection weren't encountered during
     // content collection, figure out where those nodes are now.
-    if (selection && !selStart)
+	if (selection && !selStart)
     {
       //if (domChanges) dmesg("selection not collected");
-      selStart = getLineAndCharForPoint(selection.startPoint);
+       editorInfo.lineAndChar = null;
+       hooks.callAll('aceLineAndCharForPoint', {
+		callstack: currentCallStack,
+		editorInfo: editorInfo,
+		rep: rep,
+		root:root,
+		point:selection.startPoint,
+		documentAttributeManager: documentAttributeManager
+      });
+      selStart = editorInfo.lineAndChar || getLineAndCharForPoint(selection.startPoint);
     }
     if (selection && !selEnd)
     {
-      selEnd = getLineAndCharForPoint(selection.endPoint);
+	 editorInfo.lineAndChar = null;
+	 hooks.callAll('aceLineAndCharForPoint', {
+			callstack: currentCallStack,
+			editorInfo: editorInfo,
+			rep: rep,
+			root:root,
+			point:selection.endPoint,
+			documentAttributeManager: documentAttributeManager
+	      });
+      	selEnd = editorInfo.lineAndChar || getLineAndCharForPoint(selection.endPoint);
     }
-
+	
     // selection from content collection can, in various ways, extend past final
     // BR in firefox DOM, so cap the line
     var numLines = rep.lines.length();
@@ -1845,16 +1872,18 @@ function Ace2Inner(){
   {
     return rep.selStart[0];
   }
+  editorInfo.ace_caretLine = caretLine;
 
   function caretColumn()
   {
     return rep.selStart[1];
   }
-
+  editorInfo.ace_caretColumn = caretColumn;
   function caretDocChar()
   {
     return rep.lines.offsetOfIndex(caretLine()) + caretColumn();
   }
+  editorInfo.ace_caretDocChar = caretDocChar;
 
   function handleReturnIndentation()
   {
@@ -3447,7 +3476,7 @@ function Ace2Inner(){
   {
     return !!REGEX_WORDCHAR.exec(c);
   }
-
+  editorInfo.ace_isWordChar = isWordChar;
   function isSpaceChar(c)
   {
     return !!REGEX_SPACE.exec(c);
@@ -3548,7 +3577,17 @@ function Ace2Inner(){
 
       if (!stopped)
       {
-        if (isTypeForSpecialKey && keyCode == 8)
+	    editorInfo.specialHandled = null;
+	    hooks.callAll('aceKeyEvent', {
+			callstack: currentCallStack,
+			editorInfo: editorInfo,
+			rep: rep,
+			specialHandled:specialHandled,
+			documentAttributeManager: documentAttributeManager,
+			evt:evt
+	      });
+		specialHandled = editorInfo.specialHandled||specialHandled;
+        if ((!specialHandled) &&isTypeForSpecialKey && keyCode == 8)
         {
           // "delete" key; in mozilla, if we're at the beginning of a line, normalize now,
           // or else deleting a blank line can take two delete presses.
diff --git a/src/static/js/contentcollector.js b/src/static/js/contentcollector.js
index 219976d33..f9d43df2c 100644
--- a/src/static/js/contentcollector.js
+++ b/src/static/js/contentcollector.js
@@ -372,7 +372,17 @@ function makeContentCollector(collectStyles, browser, apool, domInterface, class
     _reachBlockPoint(node, 0, state);
     if (dom.isNodeText(node))
     {
-      var txt = dom.nodeValue(node);
+       var tname = dom.nodeAttr(node.parentNode,"name");
+       hooks.callAll('collectContentTblTd', {
+            cc: this,
+            state: state,
+            tname: tname,
+            node:node,
+            text:dom.nodeValue(node),
+	    styl: null,
+            cls: null
+          });	
+      var txt = this.text||dom.nodeValue(node);
       var rest = '';
       var x = 0; // offset into original text
       if (txt.length == 0)
@@ -440,7 +450,19 @@ function makeContentCollector(collectStyles, browser, apool, domInterface, class
       var tname = (dom.nodeTagName(node) || "").toLowerCase();
       if (tname == "br")
       {
-        cc.startNewLine(state);
+        this.breakLine = true;
+	var tvalue = dom.nodeAttr(node, 'value');
+	hooks.callAll('collectContentBreak', {
+            cc: this,
+            state: state,
+            tname: tname,
+	    tvalue:tvalue,
+            styl: null,
+            cls: null
+          });
+	 if(this.breakLine){
+		cc.startNewLine(state);
+	}
       }
       else if (tname == "script" || tname == "style")
       {
diff --git a/src/static/js/linestylefilter.js b/src/static/js/linestylefilter.js
index 1cbfac29c..3915bf266 100644
--- a/src/static/js/linestylefilter.js
+++ b/src/static/js/linestylefilter.js
@@ -153,14 +153,20 @@ linestylefilter.getLineStyleFilter = function(lineLength, aline, textAndClassFun
           // prevent infinite loop if something funny's going on
           return nextAfterAuthorColors(txt, cls);
         }
-        var spanSize = txt.length;
-        if (spanSize > leftInAuthor)
-        {
-          spanSize = leftInAuthor;
+	var spanSize = txt.length;
+        if(txt&&txt.indexOf('data-tables')!=-1){		
+            spanSize = leftInAuthor = txt.length;        
         }
+        else if (spanSize > leftInAuthor){
+            spanSize = leftInAuthor;
+        }			
         var curTxt = txt.substring(0, spanSize);
-        txt = txt.substring(spanSize);
-        nextAfterAuthorColors(curTxt, (cls && cls + " ") + extraClasses);
+        txt = txt.substring(spanSize);				
+	if(curTxt&&curTxt.indexOf('data-tables')!=-1){		
+		nextAfterAuthorColors(curTxt,extraClasses );			
+	}else{
+		nextAfterAuthorColors(curTxt, (cls && cls + " ") + extraClasses);
+	}
         curIndex += spanSize;
         leftInAuthor -= spanSize;
         if (leftInAuthor == 0)