rem: var concatId = this.name + --document.nodeHighlighter[this.name].count; var oldSpan = document.getElementById(concatId); 
add: var id = this.name + --document.nodeHighlighter[this.name].count; var clone = document.nodeHighlighter[this.name].originalNodes[id]; var oldSpan = document.getElementById(id); 
context:   this.clear = function(document) {    if (!document) {      return;    }    initNodeHighlighterMetaData(document);    // Find and remove all highlight span nodes    while (document.nodeHighlighter[this.name].count > 0) {      var concatId = this.name + --document.nodeHighlighter[this.name].count;      var oldSpan = document.getElementById(concatId);      var parent = oldSpan.parentNode;      parent.replaceChild(oldSpan.childNodes[0], oldSpan);      parent.normalize();    }  }
meta: 2588	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2588/f175973a24c874662aecffa7e17cab869338a5dc/nodeHighlighter.js/clean/src/chrome/content/highlighting/nodeHighlighter.js