rem: fbs.setBreakpoint(this.location.href, lineNo, null); 
add: fbs.setBreakpoint(this.location, lineNo, null); 
context:     toggleBreakpoint: function(lineNo)    {        if (FBTrace.DBG_BP) FBTrace.sysout("debugger.toggleBreakpoint lineNo="+lineNo+"\n");                           /*@explore*/        var lineNode = this.getLineNode(lineNo);        if (lineNode.getAttribute("breakpoint") == "true")            fbs.clearBreakpoint(this.location.href, lineNo);        else            fbs.setBreakpoint(this.location.href, lineNo, null);    },
meta: 7450	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7450/76449ef4d8385610e64112c53410246cfda12c62/debugger.js/clean/extension/content/firebug/debugger.js