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-rw-r--r--docs/topics/templates.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/topics/templates.txt b/docs/topics/templates.txt
index e88a7b70f0..2fa6643975 100644
--- a/docs/topics/templates.txt
+++ b/docs/topics/templates.txt
@@ -226,6 +226,10 @@ tags:
Athlete: {{ athlete_list.0.name }}
{% endif %}
+ While the above example works, be aware that most template filters return
+ strings, so mathematical comparisons using filters will generally not work
+ as you expect. :tfilter:`length` is an exception.
+
:ttag:`block` and :ttag:`extends`
Set up `template inheritance`_ (see below), a powerful way
of cutting down on "boilerplate" in templates.