ALlow empty destinations in link refs.

See commonmark/commonmark-spec#172.
commonmark · Apr 3, 2019 · 039020a · 039020a
1 parent 202e712
commit 039020a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/inlines.js b/lib/inlines.js
@@ -516,6 +516,9 @@ var parseLinkDestination = function() {
                 this.pos += 1;
             }
         }
+        if (this.pos === savepos && c !== C_CLOSE_PAREN) {
+          return null;
+        }
         res = this.subject.substr(savepos, this.pos - savepos);
         return normalizeURI(unescapeString(res));
     } else {  // chop off surrounding <..>:
@@ -801,7 +804,7 @@ var parseReference = function(s, refmap) {
     this.spnl();
 
     dest = this.parseLinkDestination();
-    if (dest === null || dest.length === 0) {
+    if (dest === null) {
         this.pos = startpos;
         return 0;
     }