rem: file = 'file: 
add:  file = encodeURI('file: 
context: function installExtension(){  // 1) Prompt the user for the location of the theme to install. Eventually we'll support web locations too.  var fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);  fp.init(window, document.getElementById("installExtensions").getAttribute("filepickertitle"), nsIFilePicker.modeOpen);  fp.appendFilters(nsIFilePicker.filterAll);  var ret = fp.show();  if (ret == nsIFilePicker.returnOK)   {    var file = '';    file = 'file:///' + escape(fp.file.path.replace(/\\/g,'/'));    doXPIInstall(file, getName(file));  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5e7848db380e8ce2ebad479c6c7e9b171ee816dd/pref-extensions.js/buggy/mail/components/prefwindow/content/pref-extensions.js