rem: return (editorShell.documentIsEmpty == true) && (docWasModified == false); 
add: return (editorShell != null) && (editorShell.documentIsEmpty == true) && (docWasModified == false); 
context: function PageIsEmptyAndUntouched(){  return (editorShell.documentIsEmpty == true) && (docWasModified == false);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/035965297dd3eee99dadbd7c3a6f8560d975d3ea/EditorCommands.js/buggy/editor/ui/composer/content/EditorCommands.js