Merge pull request #436 from gracjan/pr-package-imports-font-lock

Add PackageImports syntax to font-lock.

Author: purcell

haskell-font-lock.el

@@ -392,7 +392,7 @@ Returns keywords suitable for `font-lock-keywords'."
             (,reservedsym 1 haskell-operator-face)
             ;; Special case for `as', `hiding', `safe' and `qualified', which are
             ;; keywords in import statements but are not otherwise reserved.
-            ("\\<import[ \t]+\\(?:\\(safe\\>\\)[ \t]*\\)?\\(?:\\(qualified\\>\\)[ \t]*\\)?[^ \t\n()]+[ \t]*\\(?:\\(\\<as\\>\\)[ \t]*[^ \t\n()]+[ \t]*\\)?\\(\\<hiding\\>\\)?"
+            ("\\<import[ \t]+\\(?:\\(safe\\>\\)[ \t]*\\)?\\(?:\\(qualified\\>\\)[ \t]*\\)?\\(?:\"[^\"]*\"[\t ]*\\)?[^ \t\n()]+[ \t]*\\(?:\\(\\<as\\>\\)[ \t]*[^ \t\n()]+[ \t]*\\)?\\(\\<hiding\\>\\)?"
              (1 haskell-keyword-face nil lax)
              (2 haskell-keyword-face nil lax)
              (3 haskell-keyword-face nil lax)