private void updateGotoLocation() {
        if (started && gotoLocationDirty) {
//            GWT.log("Goto " + gotoLocation.getLineNo() + ":" + gotoLocation.getColNo());
            editor.gotoPosition(gotoLocation.getLineNo(), gotoLocation.getColNo());
            gotoLocationDirty = false;
        }
    }
@param lineNo One based
@param colNo  One based
stroom-core-client-widget/src/main/java/stroom/editor/client/view/Editor.java