rem: return; 
add: return null; 
context: function cmdWatchExpr (e){    if (!e.expression)    {        var watches = console.views.watches.childData;        var len = watches.length;        display (getMsg(MSN_WATCH_HEADER, len));        for (var i = 0; i < len; ++i)        {            display (getMsg(MSN_FMT_WATCH_ITEM, [i, watches[i].displayName,                                                 watches[i].displayValue]));        }        return null;    }        var refresher;    if (e.command.name == "watch-expr")    {        if (!("currentEvalObject" in console))        {            display (MSG_ERR_NO_EVAL_OBJECT, MT_ERROR);            return;        }        if (console.currentEvalObject instanceof jsdIStackFrame)        {            refresher = function () {                            if ("frames" in console)                            {                                this.value =                                    evalInTargetScope(e.expression, true);                            }                        };        }        else        {            var evalObject = console.currentEvalObject;            refresher = function () {                            rv = console.doEval.apply(evalObject,                                                      [e.expression, parent]);                            this.value = console.jsds.wrapValue(rv);                        };        }    }    else    {        refresher = function () {                        var rv = evalInDebuggerScope(e.expression, true);                        this.value = console.jsds.wrapValue(rv);                    };    }        var rec = new ValueRecord(console.jsds.wrapValue(null), e.expression, 0);    rec.onPreRefresh = refresher;    rec.refresh();    console.views.watches.childData.appendChild(rec);    console.views.watches.refresh();    return rec;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/171d43ee25fb94ca659d1f263eb012f84471dd4a/venkman-views.js/clean/extensions/venkman/resources/content/venkman-views.js