@ -98,7 +98,7 @@ module.exports = function link(state, silent) {
//
// Link reference
if (typeof state.env.references === 'undefined') { return false; }
if (!state.env || typeof state.env.references === 'undefined') { return false; }
if (pos < max && state.src.charCodeAt(pos) === 0x5B/* [ */) {
start = pos + 1;