Re: x|add:-1 in templates doesn't work as I expect.

for others looking for an answer, put your value between double quotes:

<a href='../{{ position|add:"-1" }}/'>Previous</a> | 
<a href='../{{ position|add:"1" }}/'>Next</a>

El jueves, 6 de diciembre de 2007 15:44:32 UTC-6, J. Clifford Dyer escribió:

Hello.  

I'm trying to get a template to render previous and next links on a series of pages, as follows.

<a href='../{{ position|add:-1 }}/'>Previous</a> |
<a href='../{{ position|add:1 }}/'>Next</a>

And I've come across some unexpected behavior.  The first line does not work (add:-1), while the second line does.  The first line throws a TemplateSyntaxError ("add requires 1 arguments, 0 provided").  It works if I change it to {{ position|add:"-1" }}, but that strikes me as vaguely crappy, especially since the positive version works as an int.  Also curious if this is the same issue as the one had by ifequal and ifnotequal in ticket #3670.  

Anybody else seen this issue?

Cheers,
Cliff

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