onlyTable = function (current) {
                return util.isTable(current) ? /^TABLE$/i.test(current.nodeName) : true;
            }
@description Returns a "formatElement"(util.isFormatElement) array from the currently selected range.
@param {Function|null} validation The validation function. (Replaces the default validation function-util.isFormatElement(current))
@returns {Array}