rem:  if (appCore) { appCore.setTextZoom(zoomFactor / 100.0); } /*  var docShell = GetBrowserDocShell(); if (docShell) { docShell.zoom = zoomFactor / 100.0; } */ 
add:  var markupDocumentViewer = getBrowser().markupDocumentViewer; markupDocumentViewer.textZoom = zoomFactor / 100.0; 
context:   function setTextZoom() {    // dump("Level: "+zoomLevel+" Factor: "+zoomFactor+" Anchor: "+zoomAnchor+" Steps: "+zoomSteps+"\n");    if (appCore) {      appCore.setTextZoom(zoomFactor / 100.0);    }/*     // bah, docShell.zoom doesn't work    var docShell = GetBrowserDocShell();    if (docShell) {      docShell.zoom = zoomFactor / 100.0;    }*/  }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/73019ea054da57bc12001ee9fbddfc7695e0c300/navigator.js/clean/xpfe/browser/resources/content/navigator.js