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[3.1.x] Fixed #29336 -- Doc'd circular template inheritance

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Backport of 2c2f4b3799 from master
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David Smith 2020-06-23 06:57:19 +01:00 • committed by Carlton Gibson
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7
docs/ref/templates/language.txt
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@ -407,6 +407,13 @@ Here are some tips for working with inheritance:
not be automatically escaped (see the `next section`_), since it was
already escaped, if necessary, in the parent template.
* By using the same template name as you are inheriting from,
:ttag:`{% extends %}<extends>` can be used to inherit a template at the same
time as overriding it. Combined with ``{{ block.super }}``, this can be a
powerful way to make small customizations. See
:ref:`extending_an_overridden_template` in the *Overriding templates* How-to
for a full example.
* Variables created outside of a :ttag:`{% block %}<block>` using the template
tag ``as`` syntax can't be used inside the block. For example, this template
doesn't render anything::