diff --git a/docs/ref/templates/builtins.txt b/docs/ref/templates/builtins.txt index e911bb167b..e2734c9747 100644 --- a/docs/ref/templates/builtins.txt +++ b/docs/ref/templates/builtins.txt @@ -1988,7 +1988,7 @@ If ``value`` is ``"Joel is a slug"``, the output will be ``"Joel is a slug"``. striptags ^^^^^^^^^ -Strips all [X]HTML tags. +Makes all possible efforts to strip all [X]HTML tags. For example:: @@ -1997,6 +1997,16 @@ For example:: If ``value`` is ``"Joel a slug"``, the output will be ``"Joel is a slug"``. +.. admonition:: No safety guarantee + + Note that ``striptags`` doesn't give any guarantee about its output being + entirely HTML safe, particularly with non valid HTML input. So **NEVER** + apply the ``safe`` filter to a ``striptags`` output. + If you are looking for something more robust, you can use the ``bleach`` + Python library, notably its `clean`_ method. + +.. _clean: http://bleach.readthedocs.org/en/latest/clean.html + .. templatefilter:: time time