rem:  gTree.setAttribute("ref", "urn:mimetypes"); 
add:  gList.setAttribute("ref", "urn:mimetypes"); 
context: function newType(){  window.openDialog("chrome://communicator/content/pref/pref-applications-new.xul", "appEdit", "chrome,modal=yes,resizable=no");  if (gNewTypeRV) {    //gTree.builder.rebuild();    gTree.setAttribute("ref", "urn:mimetypes");    gNewTypeRV = null;  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1e2d5d9ba4147d5ea3cc58789a6ba7f2426d0695/pref-applications.js/clean/suite/common/pref/pref-applications.js