Fixed #14627 -- Made Tutorial 3 more explicit regarding the transformations the…

Fixed #14627 -- Made Tutorial 3 more explicit regarding the transformations the URLconf undergoes in the final two sections, and gave an example of concatenating two patterns() in the process. Thanks to filmer for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14472 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/intro/tutorial03.txt

@@ -454,6 +454,27 @@ first argument to :func:`~django.conf.urls.defaults.patterns`, like so::
 This is functionally identical to the previous formatting. It's just a bit
 tidier.
 
+Since you generally don't want the prefix for one app to be applied to every
+callback in your URLconf, you can concatenate multiple
+:func:`~django.conf.urls.defaults.patterns`. Your full ``mysite/urls.py`` might
+now look like this::
+
+    from django.conf.urls.defaults import *
+
+    from django.contrib import admin
+    admin.autodiscover()
+    
+    urlpatterns = patterns('polls.views',
+        (r'^polls/$', 'index'),
+        (r'^polls/(?P<poll_id>\d+)/$', 'detail'),
+        (r'^polls/(?P<poll_id>\d+)/results/$', 'results'),
+        (r'^polls/(?P<poll_id>\d+)/vote/$', 'vote'),
+    )
+    
+    urlpatterns += patterns('',
+        (r'^admin/', include(admin.site.urls)),
+    )
+
 Decoupling the URLconfs
 =======================
 
@@ -472,18 +493,20 @@ URLs within the app directory.
 
 Copy the file ``mysite/urls.py`` to ``polls/urls.py``. Then, change
 ``mysite/urls.py`` to remove the poll-specific URLs and insert an
-:func:`~django.conf.urls.defaults.include`::
+:func:`~django.conf.urls.defaults.include`, leaving you with::
 
     # This also imports the include function
     from django.conf.urls.defaults import *
-
-    # ...
+    
+    from django.contrib import admin
+    admin.autodiscover()
+    
     urlpatterns = patterns('',
         (r'^polls/', include('polls.urls')),
-        # ...
+        (r'^admin/', include(admin.site.urls)),
     )
 
-:func:`~django.conf.urls.defaults.include`, simply, references another URLconf.
+:func:`~django.conf.urls.defaults.include` simply references another URLconf.
 Note that the regular expression doesn't have a ``$`` (end-of-string match
 character) but has the trailing slash. Whenever Django encounters
 :func:`~django.conf.urls.defaults.include`, it chops off whatever part of the