rem: this.pageURI = pageURI; this.generator = generator ? generator : new MicrosummaryGenerator(); 
add: this._pageURI = aPageURI || null; this._generator = aGenerator || null; this._content = null; this._pageContent = null; this._updateInterval = null; 
context: function Microsummary(pageURI, generator) {  this._observers = [];  this.pageURI = pageURI;  this.generator = generator ? generator : new MicrosummaryGenerator();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/c1c7015cc54fba70d74a14cb631b38f35c780ec0/nsMicrosummaryService.js/buggy/browser/components/microsummaries/src/nsMicrosummaryService.js