Fixed #22218 -- Deprecated django.conf.urls.patterns.

Thanks Carl Meyer for the suggestion and Alex Gaynor and Carl for reviews.

docs/intro/overview.txt

@@ -184,13 +184,13 @@ to decouple URLs from Python code.
 Here's what a URLconf might look like for the ``Reporter``/``Article``
 example above::
 
-    from django.conf.urls import patterns
+    from django.conf.urls import url
 
-    urlpatterns = patterns('',
-        (r'^articles/(\d{4})/$', 'news.views.year_archive'),
-        (r'^articles/(\d{4})/(\d{2})/$', 'news.views.month_archive'),
-        (r'^articles/(\d{4})/(\d{2})/(\d+)/$', 'news.views.article_detail'),
-    )
+    urlpatterns = [
+        url(r'^articles/(\d{4})/$', 'news.views.year_archive'),
+        url(r'^articles/(\d{4})/(\d{2})/$', 'news.views.month_archive'),
+        url(r'^articles/(\d{4})/(\d{2})/(\d+)/$', 'news.views.article_detail'),
+    ]
 
 The code above maps URLs, as simple `regular expressions`_, to the location of
 Python callback functions ("views"). The regular expressions use parenthesis to

docs/intro/tutorial03.txt

@@ -92,13 +92,13 @@ In the ``polls/urls.py`` file include the following code:
 .. snippet::
     :filename: polls/urls.py
 
-    from django.conf.urls import patterns, url
+    from django.conf.urls import url
 
     from polls import views
 
-    urlpatterns = patterns('',
+    urlpatterns = [
         url(r'^$', views.index, name='index')
-    )
+    ]
 
 The next step is to point the root URLconf at the ``polls.urls`` module. In
 ``mysite/urls.py`` insert an :func:`~django.conf.urls.include`, leaving you
@@ -107,13 +107,13 @@ with:
 .. snippet::
     :filename: mysite/urls.py
 
-    from django.conf.urls import patterns, include, url
+    from django.conf.urls import include, url
     from django.contrib import admin
 
-    urlpatterns = patterns('',
+    urlpatterns = [
         url(r'^polls/', include('polls.urls')),
         url(r'^admin/', include(admin.site.urls)),
-    )
+    ]
 
 .. admonition:: Doesn't match what you see?
 
@@ -207,11 +207,11 @@ Wire these new views into the ``polls.urls`` module by adding the following
 .. snippet::
     :filename: polls/urls.py
 
-    from django.conf.urls import patterns, url
+    from django.conf.urls import url
 
     from polls import views
 
-    urlpatterns = patterns('',
+    urlpatterns = [
         # ex: /polls/
         url(r'^$', views.index, name='index'),
         # ex: /polls/5/
@@ -220,7 +220,7 @@ Wire these new views into the ``polls.urls`` module by adding the following
         url(r'^(?P<question_id>\d+)/results/$', views.results, name='results'),
         # ex: /polls/5/vote/
         url(r'^(?P<question_id>\d+)/vote/$', views.vote, name='vote'),
-    )
+    ]
 
 Take a look in your browser, at "/polls/34/". It'll run the ``detail()``
 method and display whatever ID you provide in the URL. Try
@@ -583,13 +583,13 @@ it to include namespacing:
 .. snippet::
     :filename: mysite/urls.py
 
-    from django.conf.urls import patterns, include, url
+    from django.conf.urls import include, url
     from django.contrib import admin
 
-    urlpatterns = patterns('',
+    urlpatterns = [
         url(r'^polls/', include('polls.urls', namespace="polls")),
         url(r'^admin/', include(admin.site.urls)),
-    )
+    ]
 
 Now change your ``polls/index.html`` template from:
 

docs/intro/tutorial04.txt

@@ -222,16 +222,16 @@ First, open the ``polls/urls.py`` URLconf and change it like so:
 .. snippet::
     :filename: polls/urls.py
 
-    from django.conf.urls import patterns, url
+    from django.conf.urls import url
 
     from polls import views
 
-    urlpatterns = patterns('',
+    urlpatterns = [
         url(r'^$', views.IndexView.as_view(), name='index'),
         url(r'^(?P<pk>\d+)/$', views.DetailView.as_view(), name='detail'),
         url(r'^(?P<pk>\d+)/results/$', views.ResultsView.as_view(), name='results'),
         url(r'^(?P<question_id>\d+)/vote/$', views.vote, name='vote'),
-    )
+    ]
 
 Amend views
 -----------