add: if (gInPrintPreviewMode) return;  
context:   _applyPrefToSetting: function (aValue) {    // Bug 375918 means this will sometimes throw, so we catch it    // and don't do anything in those cases.    try {      if (typeof aValue != "undefined")        ZoomManager.fullZoom = this._ensureValid(aValue);      else if (typeof this.globalValue != "undefined")        ZoomManager.fullZoom = this.globalValue;      else        ZoomManager.reset();    }    catch(ex) {}  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/34a6718afd0b5fcf42b4c35d3a699b7741d4bb0b/browser-textZoom.js/buggy/browser/base/content/browser-textZoom.js