rem: var file = outlinerView.getSelectedFile(); 
add: var file = treeView.getSelectedFile(); 
context: function onKeypress(e) {  if (e.keyCode == 8) /* backspace */    goUp();  else if (e.keyCode == 13) { /* enter */    var file = outlinerView.getSelectedFile();    if (file) {      if (file.isDirectory()) {        gotoDirectory(file);        e.preventDefault();      }    }  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/filepicker.js/buggy/xpfe/components/filepicker/res/content/filepicker.js