add: FBTrace.dumpStack("firebug.showSourceFile sourceBox:"+sourceBox+"\n");  
context:     showSourceFile: function(sourceFile, sourceBoxDecorator)    {        var sourceBox = this.getSourceBoxBySourceFile(sourceFile);        if (!sourceBox)            sourceBox = this.createSourceBox(sourceFile, sourceBoxDecorator);        this.showSourceBox(sourceBox);    },
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/5968b58eccd8324b8e098b727bbac44782ce0a70/firebug.js/clean/extension/content/firebug/firebug.js