Fixed #23849 -- Documented the locmem.Loader class.

docs/ref/templates/api.txt

@@ -735,7 +735,7 @@ sources.
 
 Some of these other loaders are disabled by default, but you can activate them
 by editing your :setting:`TEMPLATE_LOADERS` setting. :setting:`TEMPLATE_LOADERS`
-should be a tuple of strings, where each string represents a template loader
+should be a tuple of strings or tuples, where each represents a template loader
 class. Here are the template loaders that come with Django:
 
 .. currentmodule:: django.template.loaders
@@ -778,7 +778,7 @@ class. Here are the template loaders that come with Django:
     ``django.contrib.admin`` in :setting:`INSTALLED_APPS`, otherwise
     ``django.contrib.admin``’s will be loaded first and yours will be ignored.
 
-    Note that the loader performs an optimization when it is first imported:
+    Note that the loader performs an optimization when it first runs:
     it caches a list of which :setting:`INSTALLED_APPS` packages have a
     ``templates`` subdirectory.
 
@@ -828,6 +828,24 @@ class. Here are the template loaders that come with Django:
 
     This loader is disabled by default.
 
+``django.template.loaders.locmem.Loader``
+
+.. versionadded:: 1.8
+
+.. class:: locmem.Loader
+
+    Loads templates from a Python dictionary. This is useful for testing.
+
+    This loader takes a dictionary of templates as its first argument::
+
+        TEMPLATE_LOADERS = (
+            ('django.template.loaders.locmem.Loader', {
+                'index.html': 'content here',
+            }),
+        )
+
+    This loader is disabled by default.
+
 Django uses the template loaders in order according to the
 :setting:`TEMPLATE_LOADERS` setting. It uses each loader until a loader finds a
 match.

docs/releases/1.8.txt

@@ -414,6 +414,9 @@ Templates
   its query string as part of the URL (the URL in e.g. ``'djangoproject.com!``
   is ``djangoproject.com``)
 
+* Added a :class:`locmem.Loader <django.template.loaders.locmem.Loader>`
+  class that loads Django templates from a Python dictionary.
+
 Requests and Responses
 ^^^^^^^^^^^^^^^^^^^^^^