Added test for markdown bug with linking `[ul]` and `[poll]`

test/javascripts/lib/markdown-test.js.es6

@@ -150,6 +150,10 @@ test("Links", function() {
   cooked("[Link](http://www.example.com) (with an outer \"description\")",
          "<p><a href=\"http://www.example.com\">Link</a> (with an outer \"description\")</p>",
          "it doesn't consume closing parens as part of the url");
+
+  cooked("[ul][1]\n\n[1]: http://eviltrout.com",
+         "<p><a href=\"http://eviltrout.com\">ul</a></p>",
+         "it can use `ul` as a link name");
 });
 
 test("simple quotes", function() {

vendor/assets/javascripts/better_markdown.js

@@ -1186,15 +1186,14 @@
                     this,
                     text.substr( m.index ), m, previous_nodes || [] );
 
-          if(!res){
-            // fallback
+          // If no inline code executed, fallback
+          if (!res) {
             var fn = this.dialect.inline[m[1][0]];
-            if(fn) {
+            if (fn) {
               res = fn.call(
                     this,
                     text.substr( m.index ), m, previous_nodes || [] );
             }
-
           }
         }
         // Default for now to make dev easier. just slurp special and output it.