rem: if (gTotalSearchTerms > 1) 
add: if (event && gTotalSearchTerms > 1) 
context: function onLess(event){  if (gTotalSearchTerms > 1)   {    var rowIndex;    if (event){      removeSearchRow(getSearchRowIndexForElement(event.target));          --gTotalSearchTerms;    }  }  updateRemoveRowButton();}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/3c1d40dc8320d3a8d6ffd0557bdce8b8a540d09d/searchTermOverlay.js/buggy/mailnews/base/search/resources/content/searchTermOverlay.js