@ -36,7 +36,7 @@ default_rules.fence = function (tokens, idx, options, env, slf) {
if (info) {
langName = info.split(/\s+/g)[0];
token.attrPush([ 'class', options.langPrefix + langName ]);
token.attrJoin('class', options.langPrefix + langName);
}
if (options.highlight) {