Closes #1748: SyntaxError in sphinx/ext/ifconfig.py with Python 2.6.

tests/roots/test-ext-ifconfig/conf.py

@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+
+extensions = ['sphinx.ext.ifconfig']
+master_doc = 'index'
+
+confval1 = True
+
+def setup(app):
+    app.add_config_value('confval1', False, None)
+    app.add_config_value('confval2', False, None)

tests/roots/test-ext-ifconfig/index.rst

@@ -0,0 +1,11 @@
+ifconfig
+========
+
+.. ifconfig:: confval1
+
+   spam
+
+.. ifconfig:: confval2
+
+   egg
+

tests/test_ext_ifconfig.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+"""
+    test_ext_ifconfig
+    ~~~~~~~~~~~~~~~~~
+
+    Test sphinx.ext.ifconfig extension.
+
+    :copyright: Copyright 2007-2015 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from util import with_app
+
+
+@with_app(testroot='ext-ifconfig')
+def test_ifconfig(app, status, warning):
+    app.builder.build_all()