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Diffstat (limited to 'docs/templates_python.txt')
| -rw-r--r-- | docs/templates_python.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/templates_python.txt b/docs/templates_python.txt index 8129b209c7..a1d15811f8 100644 --- a/docs/templates_python.txt +++ b/docs/templates_python.txt @@ -212,6 +212,21 @@ template tags. If an invalid variable is provided to one of these template tags, the variable will be interpreted as ``None``. Filters are always applied to invalid variables within these template tags. +.. admonition:: For debug purposes only! + + While ``TEMPLATE_STRING_IF_INVALID`` can be a useful debugging tool, + it is a bad idea to turn it on as a 'development default'. + + Many templates, including those in the Admin site, rely upon the + silence of the template system when a non-existent variable is + encountered. If you assign a value other than ``''`` to + ``TEMPLATE_STRING_IF_INVALID``, you will experience rendering + problems with these templates and sites. + + Generally, ``TEMPLATE_STRING_IF_INVALID`` should only be enabled + in order to debug a specific template problem, then cleared + once debugging is complete. + Playing with Context objects ---------------------------- |