Last modified: 2009-06-24 00:35:45 UTC

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Bug 8675 - Unexpect behaviour when substing templates with substed parser functions.
Unexpect behaviour when substing templates with substed parser functions.
Status: RESOLVED DUPLICATE of bug 5453
Product: MediaWiki extensions
Classification: Unclassified
ParserFunctions (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: 2007-01-17 15:02 UTC by Nux
Modified: 2009-06-24 00:35 UTC (History)
2 users (show)

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


Attachments

Description Nux 2007-01-17 15:02:03 UTC
I'll explain on a simple example...

Let's say I have a template called Substing, it's source is:
{{#if:{{{1|}}}|{{{1}}}|7}}

Now let us have 3 situations:
1. {{subst:Substing}}
2. {{subst:Substing|}}
3. {{subst:Substing|3}}

This should give me:
1. 7
2. 7
3. 3

So far it all works, but now let's say I want the template to be permanent (so
there will only be numbers in the source). Should be easy - changing the source to:
{{<includeonly>subst:</includeonly>#if:{{{1|}}}|{{{1}}}|7}}

And now let us have those 3 situations:
1. {{subst:Substing}}
2. {{subst:Substing|}}
3. {{subst:Substing|3}}

This should give me:
1. 7
2. 7
3. 3

But it gives me:
1. {{{1}}}
2. 7
3. 3

So the first one is wrong.

More tests (both for #if and #ifeq):
http://test.wikipedia.org/wiki/Template_talk:Substing#subst_table
Comment 1 TMg 2007-09-04 19:27:29 UTC
I found a similar bug. Maybee it's the same. For example, I created a template called "Negative" which calculates something. The source of this template is {{<includeonly>subst:</includeonly>#expr: -{{{1}}} }} for example.

Usage: {{subst:Negative|7}}
Result: -7

Usage: {{Negative|7}}
Result: {{subst:#expr: -{{{1}}} }}

This is very strange and completely useless, obviously. The expected result is {{Negative|7}}.
Comment 2 Jelte (WebBoy) 2008-08-11 19:43:23 UTC
This bug is fixed with the new preprocessor.

(In reply to comment #1)
> I found a similar bug. Maybee it's the same. For example, I created a template
> called "Negative" which calculates something. The source of this template is
> {{<includeonly>subst:</includeonly>#expr: -{{{1}}} }} for example.
> 
> Usage: {{subst:Negative|7}}
> Result: -7
> 
> Usage: {{Negative|7}}
> Result: {{subst:#expr: -{{{1}}} }}
> 
> This is very strange and completely useless, obviously. The expected result is
> {{Negative|7}}.
> 

This is bug 5453.
Comment 3 Splarka 2009-06-24 00:35:45 UTC

*** This bug has been marked as a duplicate of bug 5453 ***

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