add: display (getMsg(MSN_ERR_BP_NODICE, [fileName, line]), MT_ERROR); 
context: function clearBreakpoint (fileName, line){    for (var b in console._breakpoints)        if (console._breakpoints[b].fileName == fileName &&            console._breakpoints[b].line == line)            return clearBreakpointByNumber (Number(b));    return 0;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ccd5b22a3b4890faa2cbdfe9bc242000263b0c84/venkman-debugger.js/clean/extensions/venkman/resources/content/venkman-debugger.js