diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog for commonmark
 
+## 0.1.1.3
+
+* Fix bug in links with spaces at the beginning or end of
+  link description (#67).  We were putting flankingness constraints
+  on the link delimiters, but this isn't requried by the spec.
+
 ## 0.1.1.2
 
 * Fix bug in fix to #65 (#66).
diff --git a/commonmark.cabal b/commonmark.cabal
--- a/commonmark.cabal
+++ b/commonmark.cabal
@@ -1,6 +1,6 @@
 cabal-version:  2.2
 name:           commonmark
-version:        0.1.1.2
+version:        0.1.1.3
 synopsis:       Pure Haskell commonmark parser.
 description:
    This library provides the core data types and functions
diff --git a/src/Commonmark/Inlines.hs b/src/Commonmark/Inlines.hs
--- a/src/Commonmark/Inlines.hs
+++ b/src/Commonmark/Inlines.hs
@@ -315,10 +315,10 @@
        Symbol '`'
          | n > 0     -> go (n+1) pos ts
          | otherwise -> go (n+1) (tokPos t) ts
-       _ | n > 0     -> IntMap.alter (\x ->
-                            case x of
-                                 Nothing -> Just [pos]
-                                 Just ps -> Just (pos:ps)) n $ go 0 pos ts
+       _ | n > 0     -> IntMap.alter (\case
+                                       Nothing -> Just [pos]
+                                       Just ps -> Just (pos:ps))
+                                     n (go 0 pos ts)
          | otherwise -> go 0 pos ts
 
 pChunk :: (IsInline a, Monad m)
@@ -728,8 +728,8 @@
                           , absoluteBottom = chunkPos chunk'
                           }
 
-       (Just opener@(Chunk Delim{ delimCanOpen = True, delimType = '[' } _ _),
-        Just closer@(Chunk Delim{ delimCanClose = True, delimType = ']'} closePos _)) ->
+       (Just opener@(Chunk Delim{ delimType = '[' } _ _),
+        Just closer@(Chunk Delim{ delimType = ']'} closePos _)) ->
           let chunksinside = takeWhile (\ch -> chunkPos ch /= closePos)
                                (afters left)
               isBracket (Chunk Delim{ delimType = c' } _ _) =
@@ -831,10 +831,10 @@
                                 }
 
 
-       (_, Just (Chunk Delim{ delimCanClose = True, delimType = ']' } _ _))
+       (_, Just (Chunk Delim{ delimType = ']' } _ _))
           -> processBs bracketedSpecs st{ leftCursor = moveLeft left }
 
-       (Just _, Just (Chunk Delim{ delimCanOpen = True, delimType = '[' } _ _))
+       (Just _, Just (Chunk Delim{ delimType = '[' } _ _))
           -> processBs bracketedSpecs
                 st{ leftCursor = right
                   , rightCursor = moveRight right }
diff --git a/test/regression.md b/test/regression.md
--- a/test/regression.md
+++ b/test/regression.md
@@ -194,3 +194,12 @@
 </li>
 </ul>
 ````````````````````````````````
+
+Issue #67.
+```````````````````````````````` example
+[test ](http://www.example.com/)
+[ test](http://www.example.com/)
+.
+<p><a href="http://www.example.com/">test </a>
+<a href="http://www.example.com/"> test</a></p>
+````````````````````````````````