rem: if(editorShell) 
add: if(editorShell) 
context: function EditorSetDocumentCharacterSet(aCharset){  if(editorShell)   {    editorShell.SetDocumentCharacterSet(aCharset);    if( editorShell.editorDocument.location != "about:blank")    {      editorShell.LoadUrl(editorShell.editorDocument.location);    }  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/editor.js/clean/editor/ui/composer/content/editor.js