rem: if (msgCompose) msgCompose.CloseWindow(); 
add: if (gMsgCompose) gMsgCompose.CloseWindow(false); 
context: function WizCallback(state){  if (state){    ComposeStartup();  }  else  {    if (msgCompose)      msgCompose.CloseWindow();    else      window.close();//  window.tryToClose=ComposeCanClose;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6d52592e83bce2a07c0c6646de9e9c15df155849/MsgComposeCommands.js/buggy/mailnews/compose/resources/content/MsgComposeCommands.js