rem: var file = treeView.getSelectedFile(); if (file) { 
add: var fileList = treeView.selectedFiles; if (fileList.length > 0) { var file = fileList.queryElementAt(0, nsIFile); 
context: function onKeypress(e) {  if (e.keyCode == 8) /* backspace */    goUp();  else if (e.keyCode == 13) { /* enter */    var file = treeView.getSelectedFile();    if (file) {      if (file.isDirectory()) {        gotoDirectory(file);        e.preventDefault();      }    }  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/72d11531a98c05182f7e0b93e89c5871fb7db820/filepicker.js/buggy/xpfe/components/filepicker/res/content/filepicker.js