Add versionadded tags for new config values.

doc/config.rst

@@ -401,18 +401,23 @@ documentation on :ref:`intl` for details.
 
 .. confval:: gettext_uuid
 
-   If true, ``sphinx`` generates message catalogs with uuid information
-   for ``pot`` files. If false, ``sphinx`` doesn't do it.
+   If true, Sphinx generates uuid information for version tracking in message
+   catalogs.
 
    The default is ``true``.
-          
+
+   .. versionadded:: 1.3
+
 .. confval:: gettext_location
 
-   If true, ``sphinx`` generates message catalogs with location information
-   for ``pot`` files. If false, ``sphinx`` doesn't do it.
+   If true, Sphinx generates location information for messages in message
+   catalogs.
 
    The default is ``true``.
 
+   .. versionadded:: 1.3
+
+
 .. _html-options:
 
 Options for HTML output

sphinx/builders/gettext.py

@@ -203,7 +203,8 @@ class MessageCatalogBuilder(I18nBuilder):
                             for source, line, _ in positions))
                     if self.config.gettext_uuid:
                         # generate "# uuid1\n# uuid2\n ..."
-                        pofile.write(u"# %s\n" % "\n# ".join(uid for _, _, uid in positions))
+                        pofile.write(u"# %s\n" % "\n# ".join(
+                            uid for _, _, uid in positions))
 
                     # message contains *one* line of text ready for translation
                     message = message.replace(u'\\', ur'\\'). \

sphinx/config.py

@@ -201,8 +201,8 @@ class Config(object):
 
         # gettext options
         gettext_compact = (True, 'gettext'),
-        gettext_location = (True, None),
-        gettext_uuid = (True, None),
+        gettext_location = (True, 'gettext'),
+        gettext_uuid = (True, 'gettext'),
 
         # XML options
         xml_pretty = (True, 'env'),