https://bugzilla.wikimedia.org/show_bug.cgi?id=57762
Web browser: ---
Bug ID: 57762
Summary: Older redirect format are not recognized anymore
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Redirects
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Mobile Platform: ---
I just found an old redirect at
https://zh.wikipedia.org/w/index.php?title=2007%E5%8E%A6%E9%97%A8PX%E9%A1%B9%E7%9B%AE%E7%BC%93%E5%BB%BA&action=history
which worked in the day of creation, but doesn't work anymore.
Redirect parsing code at that time (in commit
5cdc003c00c5b7dbc8395bc10ea067b1bbc19a44, Thu Jun 14 17:36:12 2007 +0000):
/**
* Create a new Title for a redirect
* @param string $text the redirect title text
* @return Title the new object, or NULL if the text is not a
* valid redirect
*/
public static function newFromRedirect( $text ) {
$mwRedir = MagicWord::get( 'redirect' );
$rt = NULL;
if ( $mwRedir->matchStart( $text ) ) {
$m = array();
if ( preg_match( '/\[{2}(.*?)(?:\||\]{2})/', $text, $m ) ) {
# categories are escaped using : for example one can
enter:
# #REDIRECT [[:Category:Music]]. Need to remove it.
if ( substr($m[1],0,1) == ':') {
# We don't want to keep the ':'
$m[1] = substr( $m[1], 1 );
}
$rt = Title::newFromText( $m[1] );
# Disallow redirects to Special:Userlogout
if ( !is_null($rt) && $rt->isSpecial( 'Userlogout' ) )
{
$rt = NULL;
}
}
}
return $rt;
}
I'm not sure when it was made more strict, but obviously it broke some old
content and people didn't try to clean them up.
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