From b9821ddf768900814fe0eefbe3bf546f0a245b51 Mon Sep 17 00:00:00 2001
From: Laurent Cozic <laurent22@users.noreply.github.com>
Date: Wed, 11 Oct 2017 21:38:53 +0100
Subject: [PATCH] Fixed crash when env is not defined

---
 lib/rules_inline/link.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rules_inline/link.js b/lib/rules_inline/link.js
index 7c9834c08..a15e48b09 100644
--- a/lib/rules_inline/link.js
+++ b/lib/rules_inline/link.js
@@ -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;