Fixed #25933 -- Allowed an unprefixed default language in i18n_patterns().

2 files changed, 27 insertions, 2 deletions

diff --git a/docs/releases/1.10.txt b/docs/releases/1.10.txt
index e19ecf5662..4f10dc1cd9 100644
--- a/docs/releases/1.10.txt
+++ b/docs/releases/1.10.txt
@@ -248,6 +248,10 @@ Internationalization
   used in a root URLConf specified using :attr:`request.urlconf
   <django.http.HttpRequest.urlconf>`.
 
+* By setting the new ``prefix_default_language`` parameter for
+  :func:`~django.conf.urls.i18n.i18n_patterns` to ``False``, you can allow
+  accessing the default language without a URL prefix.
+
 Management Commands
 ~~~~~~~~~~~~~~~~~~~
 
diff --git a/docs/topics/i18n/translation.txt b/docs/topics/i18n/translation.txt
index 86778859e9..7be20f6d23 100644
--- a/docs/topics/i18n/translation.txt
+++ b/docs/topics/i18n/translation.txt
@@ -1326,11 +1326,17 @@ Django provides two mechanisms to internationalize URL patterns:
 Language prefix in URL patterns
 -------------------------------
 
-.. function:: i18n_patterns(*pattern_list)
+.. function:: i18n_patterns(*urls, prefix_default_language=True)
 
 This function can be used in a root URLconf and Django will automatically
 prepend the current active language code to all url patterns defined within
-:func:`~django.conf.urls.i18n.i18n_patterns`. Example URL patterns::
+:func:`~django.conf.urls.i18n.i18n_patterns`.
+
+Setting ``prefix_default_language`` to ``False`` removes the prefix from the
+default language (:setting:`LANGUAGE_CODE`). This can be useful when adding
+translations to existing site so that the current URLs won't change.
+
+Example URL patterns::
 
     from django.conf.urls import include, url
     from django.conf.urls.i18n import i18n_patterns
@@ -1371,6 +1377,21 @@ function. Example::
     >>> reverse('news:detail', kwargs={'slug': 'news-slug'})
     '/nl/news/news-slug/'
 
+With ``prefix_default_language=False`` and  ``LANGUAGE_CODE='en'``, the URLs
+will be::
+
+    >>> activate('en')
+    >>> reverse('news:index')
+    '/news/'
+
+    >>> activate('nl')
+    >>> reverse('news:index')
+    '/nl/news/'
+
+.. versionadded:: 1.10
+
+    The ``prefix_default_language`` parameter was added.
+
 .. warning::
 
     :func:`~django.conf.urls.i18n.i18n_patterns` is only allowed in a root