https://bugzilla.wikimedia.org/show_bug.cgi?id=31628
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Bug #: 31628
Summary: When #ifexists target page is created/deleted, does
not update links tables
Product: MediaWiki
Version: 1.18
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Parser
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Consider a page "SourcePage" containing wikitext like this:
{{#ifexist:TargetPage|Exists.[[Category:Foo]]|Does not
exist.[[Category:Bar]]}}
Assume that when the above is first added to SourcePage, TargetPage does not
exist. SourcePage is therefore categorized in Category:Bar.
Then create TargetPage. SourcePage is correctly purged, showing "Exists" and
showing Category:Foo at the bottom of the page. But if you actually look at the
two categories, SourcePage remains in Category:Bar and is not found in
Category:Foo.
This same thing happens with image links (the list at the bottom of the image
page is wrong) and template transclusion links (the list in the template's
Special:WhatLinksHere output is wrong). I haven't tested external links,
interwiki links, language links, or the like, but they are probably wrong too.
A null edit to SourcePage will, of course, fix all these problems, but it
shouldn't be necessary.
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