I'd like to propose python-like tuple syntax for templates and
grouping brackets for filter expressions.
{% for x in ("default", var, f|exp) %} ... {% endfor%}
{{ x|yesno:("yes", "no", "maybe") }}
{% something (1,2,3,4)|slice:(start, stop) %}
{% if x|contains:(foo|last) %} ... {% endif %}
This could be used to fix #1199 (Supporting more than one argument in
a custom filter) but argc checks would have to be part of the filter
implementation (possibly some kind of @unpack_filter_args decorator).
I have a working patch on top of my template refactoring branch[1] at
http://dpaste.com/hold/90575/
It contains a backwards compatible, exemplary change for |yesno.
[1] http://github.com/emulbreh/django/tree/master
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