Fixed #25851 -- Removed links to deprecated assignment tag docs.

docs/howto/custom-template-tags.txt

@@ -647,8 +647,6 @@ positional arguments. For example:
 
     {% my_tag 123 "abcd" book.title warning=message|lower profile=user.profile %}
 
-.. _howto-custom-template-tags-assignment-tags:
-
 Assignment tags
 ~~~~~~~~~~~~~~~
 
@@ -1120,10 +1118,9 @@ The difference here is that ``do_current_time()`` grabs the format string and
 the variable name, passing both to ``CurrentTimeNode3``.
 
 Finally, if you only need to have a simple syntax for your custom
-context-updating template tag, you might want to consider using the
-:ref:`assignment tag <howto-custom-template-tags-assignment-tags>` shortcut
-we introduced above.
-
+context-updating template tag, consider using the
+:meth:`~django.template.Library.simple_tag` shortcut, which supports assigning
+the tag results to a template variable.
 
 Parsing until another block tag
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

docs/releases/1.4.txt

@@ -406,19 +406,17 @@ object generic views.
 Assignment template tags
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
-A new :ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` helper
-function was added to ``template.Library`` to ease the creation of template
-tags that store data in a specified context variable.
+A new ``assignment_tag`` helper function was added to ``template.Library`` to
+ease the creation of template tags that store data in a specified context
+variable.
 
 ``*args`` and ``**kwargs`` support for template tag helper functions
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 The :ref:`simple_tag<howto-custom-template-tags-simple-tags>`,
-:ref:`inclusion_tag <howto-custom-template-tags-inclusion-tags>` and
-newly introduced
-:ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` template
-helper functions may now accept any number of positional or keyword arguments.
-For example::
+:ref:`inclusion_tag <howto-custom-template-tags-inclusion-tags>` and newly
+introduced ``assignment_tag`` template helper functions may now accept any
+number of positional or keyword arguments. For example::
 
     @register.simple_tag
     def my_tag(a, b, *args, **kwargs):