Added ! comment recognition

2 files changed, 32 insertions, 1 deletions

diff --git a/pygments/lexers/configs.py b/pygments/lexers/configs.py
index 9cc291e5..8f2e4ce9 100644
--- a/pygments/lexers/configs.py
+++ b/pygments/lexers/configs.py
@@ -111,7 +111,7 @@ class PropertiesLexer(RegexLexer):
     tokens = {
         'root': [
             (r'\s+', Text),
-            (r'(?:[;#]|//).*$', Comment),
+            (r'(?:[;#!]|//).*$', Comment),
             (r'(.*?)([ \t]*)([=:])([ \t]*)(.*(?:(?<=\\)\n.*)*)',
              bygroups(Name.Attribute, Text, Operator, Text, String)),
         ],
diff --git a/tests/test_properties.py b/tests/test_properties.py
new file mode 100644
index 00000000..db61b28f
--- /dev/null
+++ b/tests/test_properties.py
@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+"""
+    Properties Tests
+    ~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import unittest
+
+from pygments.lexers.configs import PropertiesLexer
+from pygments.token import Token
+
+
+class PropertiesTest(unittest.TestCase):
+    def setUp(self):
+        self.lexer = PropertiesLexer()
+
+    def test_comments(self):
+        """
+        Assures lines lead by either # or ! are recognized as a comment
+        """
+        fragment = '! a comment\n# also a comment\n'
+        tokens = [
+            (Token.Comment, '! a comment'),
+            (Token.Text, '\n'),
+            (Token.Comment, '# also a comment'),
+            (Token.Text, '\n'),
+        ]
+        self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))