Last modified: 2012-02-09 20:40:40 UTC

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Bug 5280 - Invalid titles cannot be unwatched via Special:Watchlist/edit
Invalid titles cannot be unwatched via Special:Watchlist/edit
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
Watchlist (Other open bugs)
unspecified
All All
: Low minor with 2 votes (vote)
: ---
Assigned To: Nobody - You can work on this!
http://wikimania2006.wikimedia.org/wi...
:
: 24280 (view as bug list)
Depends on:
Blocks: 16660
  Show dependency treegraph
 
Reported: 2006-03-18 00:59 UTC by Ilmari Karonen
Modified: 2012-02-09 20:40 UTC (History)
8 users (show)

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


Attachments

Description Ilmari Karonen 2006-03-18 00:59:30 UTC
If you watchlist a page with a name beginning with "Talk:Foo:", where "Foo" is a
namespace prefix such as "User" or "Image", the page cannot be unwatched via
Special:Watchlist/edit, since it will be listed without the "Talk:" prefix. 
Such pages are occasionally created, usually by mistake, and may end up in the
watchlists of new page patrollers.

Simply including the "Talk:" prefix in the checkbox value attribute in such
cases would be sufficient to fix the problem.

http://bugzilla.wikimedia.org/show_bug.cgi?id=2871 is related to this bug, but
neither depends on nor blocks it.
Comment 1 lɛʁi לערי ריינהארט 2006-04-26 11:43:11 UTC
Hallo Ilmari,

This aplieas also for interwiki prefixes. See:
http://wikimania2006.wikimedia.org/w/index.php?title=Talk:En:&action=watch
http://wikimania2006.wikimedia.org/wiki/Special:Watchlist/edit
Use
http://wikimania2006.wikimedia.org/w/index.php?title=Talk:En:&action=unwatch
to remove 'Talk:En:' from the watchlist.

Because 'User:', 'Image:', etc. '<interwiki_prefix>:' are invalid titles I would
suggest that 'talk:User:', 'talk:Image:', etc. 'talk:<interwiki_prefix>:' should
be invalid titles as well. This is probably another bug / request.

"complications"
http://wikimania2006.wikimedia.org/wiki/Talk:Special:Allpages
is a title which reminds
Bug 509: Multiple namespaces confuses some users.

best regards reinhardt [[user:gangleri]]
Comment 2 Aaron Schulz 2009-01-04 09:39:36 UTC
Such titles are now invalid as of r45389
Comment 3 Aaron Schulz 2009-01-06 15:54:39 UTC
OK, someone can run cleanupWatchlist.php to clear these out
Comment 4 Brion Vibber 2009-01-07 02:56:11 UTC
This is doing really weird things, like normalizing 'Talk:Wikipedia:Foo' to 'Wikipedia:Talk:Foo' which then redirects me to 'Talk:Foo' at Wikipedia.

Need to create some test cases for this if it's redone.

Reverted in r45479
Comment 5 Ilmari Karonen 2009-01-07 04:40:01 UTC
I assume (In reply to comment #4)
> This is doing really weird things, like normalizing 'Talk:Wikipedia:Foo' to
> 'Wikipedia:Talk:Foo' which then redirects me to 'Talk:Foo' at Wikipedia.

I assume that's on a default install, where "wikipedia" is an interwiki prefix?  I'm not sure what it should do, then, given that "wikipedia:Foo" is not a valid local title, and thus cannot meaningfully have a local talk page.
Comment 6 Ilmari Karonen 2009-01-07 04:44:16 UTC
...but yes, it's probably broken: if I tried that on my Finnish-language test wiki, it would turn "Keskustelu:Wikipedia:Foo" into "wikipedia:Keskustelu:Foo" and then try to go to "Keskustelu:Foo" on the _English_ Wikipedia.  Probably it should just treat titles of the form "Talk:interwiki:Foo" as invalid.
Comment 7 Brion Vibber 2009-01-20 22:14:43 UTC
(This was redone in r45780)

Better, but not quite there; it's still allowing pages like 'Talk:Wikipedia:Foo', for which 'Wikipedia:Foo' is an interwiki link.
Comment 8 Siebrand Mazeland 2009-02-02 11:42:08 UTC
Changing component to "Watchlist"
Comment 9 Dan Jacobson 2009-03-15 18:32:15 UTC
One also should run cleanupTitles.php: see
http://mid.gmane.org/7c2a12e20903121355j587246e2ma68fec54f79d6e17@mail.gmail.com ,
Bug #11487.
Comment 10 Mike.lifeguard 2009-03-19 15:49:28 UTC
(In reply to comment #7)
> (This was redone in r45780)
> 
> Better, but not quite there; it's still allowing pages like
> 'Talk:Wikipedia:Foo', for which 'Wikipedia:Foo' is an interwiki link.
> 

"not quite there" sounds like more coding is needed - is the shell keyword appropriate in that case?
Comment 11 Brion Vibber 2009-03-19 18:10:11 UTC
No.
Comment 12 Brion Vibber 2009-03-19 18:15:53 UTC
Rather -- shell tag indicates a need to run a database cleanup to clear out existing bad entries. This bug also includes fixups to forbid the half-bogus pages to begin with, which is not a shell issue.
Comment 13 Phillip Patriakeas 2010-11-03 02:46:24 UTC
This also applies for custom namespaces - if you watchlist a page in a pseudonamespace, and that pseudonamespace is later added as a custom namespace, you end up with one of these invalid watchlist entries.

These titles can be removed in Special:Watchlist/raw by copying the list of titles into your text editor of choice and removing the offending title(s) from the pasted list, blanking the list in Special:Watchlist/raw and saving it (thus blanking your watchlist), and then pasting the modified list back into Special:Watchlist/raw and saving again.

Pseudonamespaces may not be much of a problem on Wikimedia wikis, but are more so on Wikia (where I observed this variant of the bug and figured out the solution), and definitely on other third-party installations.
Comment 14 Sam Reed (reedy) 2011-07-06 22:01:08 UTC
*** Bug 24280 has been marked as a duplicate of this bug. ***
Comment 15 Max Semenik 2012-02-09 20:40:40 UTC
Fixed in r111085.

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