[Bug 13288] urlencode on variables get double-encoded

[bugzilla-daemon]

https://bugzilla.wikimedia.org/show_bug.cgi?id=13288

Conrad Irwin <conrad.ir...@gmail.com> changed:

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                 CC|                            |conrad.ir...@gmail.com

--- Comment #6 from Conrad Irwin <conrad.ir...@gmail.com> 2010-02-13 16:28:28 
UTC ---
{{PAGENAMEE:{{PAGENAME:&}}}} -> %26        (RIGHT) 
{{URLENCODE:{{PAGENAME:&}}}} -> %26amp%31  (WRONG)
{{PAGENAMEE:&amp;}}    -> %26              (WRONG - ?)
{{URLENCODE:&amp;}}    -> %26amp%31        (RIGHT)

I put the ? there because [[&amp;]] creates a link to [[&]] (perhaps also
wrong) and http://en.wikipedia.org/wiki/%26amp; is an server error.


I think the solution would be to have {{PAGENAME}} et.al. return a
"text-needs-escape" object of some kind, parser functions could then request
that they get unescaped input as a flag, the parser would then escape the text
when the escaping is neeeded.

The Django template engine deals with this issue very nicely, maybe we can copy
some of their ideas.

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