Fix an issue with links skipping space after them

lib/rules_inline/links.js

@@ -114,8 +114,10 @@ module.exports = function links(state, silent) {
       if (pos >= 0) {
         label = state.src.slice(start, pos++);
       } else {
-        pos = start - 1;
+        pos = labelEnd + 1;
       }
+    } else {
+      pos = labelEnd + 1;
     }
 
     // covers label === '' and label === undefined

test/fixtures/commonmark/bad.txt

@@ -58,19 +58,3 @@ error:
 <p><a href="/uri">foo <em>bar [baz][ref]</em></a></p>
 
 
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-src line: 5915
-
-.
-[foo] bar
-
-[foo]: /url
-.
-<p><a href="/url">foo</a> bar</p>
-.
-
-error:
-
-<p><a href="/url">foo</a>bar</p>
-
-

test/fixtures/commonmark/good.txt

@@ -5204,6 +5204,17 @@ src line: 5905
 <p><a href="/url" title="title">Foo</a></p>
 .
 
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+src line: 5915
+
+.
+[foo] bar
+
+[foo]: /url
+.
+<p><a href="/url">foo</a> bar</p>
+.
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 src line: 5926