if (nsEditor::IsTextNode(aNode) && mEditor->IsEditable(aNode)) { return PR_TRUE; }
if (nsHTMLEditUtils::IsBreak(aNode)) return PR_TRUE;
    virtual PRBool operator()(nsIDOMNode* aNode)  // used to build list of empty li's and td's    {      if (nsEditor::IsTextNode(aNode) && mEditor->IsEditable(aNode))       {        return PR_TRUE;      }      return PR_FALSE;    }