Last modified: 2008-01-16 08:17:05 UTC

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Bug 12488 - Broken rendering with missing template parameters in templates called inside {{#if:}}
Broken rendering with missing template parameters in templates called inside ...
Status: RESOLVED DUPLICATE of bug 5678
Product: MediaWiki
Classification: Unclassified
Parser (Other open bugs)
unspecified
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
http://test.wikipedia.org/wiki/Templa...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2008-01-02 21:20 UTC by Mormegil
Modified: 2008-01-16 08:17 UTC (History)
1 user (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description Mormegil 2008-01-02 21:20:34 UTC
I am not completely sure about the cause, but I have come by a strange behaviour by some templates (e.g. http://commons.wikimedia.org/w/index.php?title=Image:Policarpa_Salavarrieta_2_pesos_Oro.jpg&oldid=8606384). After a bit of playing, I was able to create a quite simple reproducible test case (see the URL at this bug report):

* a template uses some parameters without default values
* you make a call to the template, with some parameters not defined
* and you wrap the call to some {{#if:}}, even with a constant condition

The result: strangely broken rendering.

(I am not sure if the bug is in the parser proper, or in the ParserFunctions.)
Comment 1 Tim Starling 2008-01-03 09:59:21 UTC
Looks fine in the new preprocessor:

http://test.wikipedia.org/w/index.php?title=TemplateParametersBug&oldid=30068&timtest=newpp

This is an old bug, it's due to double-parsing during template expansion, $noparse=$noargs=false in braceSubstitution(). Probably a duplicate report. 
Comment 2 Mormegil 2008-01-03 19:30:34 UTC
Oh yes, I have (maybe) found it (even though I tried to find it before reporting, unsuccessfully…). Wouldn’t it be bug:5678?
Comment 3 Tim Starling 2008-01-16 08:17:05 UTC

*** This bug has been marked as a duplicate of bug 5678 ***

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