rem: if( defButton != null ) { defButton.execute(); 
add: if( defButton != null && defButton.isSeeable() ) { defButton.execute(); 
context: qx.Proto._onKeydown = function( evt ) {  if( evt.getKeyIdentifier() == "Enter" ) {    var defButton = this.getDefaultButton();    if( defButton != null ) {    	defButton.execute();    }  }}
meta: 8114	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8114/ef7f6c5b5a0873d978f4f5c636ffe18bc7580af1/Shell.js/buggy/bundles/org.eclipse.rap.rwt/js/org/eclipse/rap/rwt/widgets/Shell.js