Manual:$wgFixArabicUnicode/de-formal

<translate> This feature was removed completely in version <tvar name=ver>1.35.0</tvar>.</translate>

<translate> Language, regional and character encoding settings</translate>: $wgFixArabicUnicode
Set this to true to clean up archaic Unicode sequences in Arabic text.
<translate> Introduced in version:</translate>	1.16.0 (r61282)
<translate> Deprecated in version:</translate>	1.33.0 (Gerrit change 468598; git #103a4f76)
<translate> Removed in version:</translate>	1.35.0 (Gerrit change 573848; git #Idefd562)
<translate> Allowed values:</translate>	(boolean)
<translate> Default value:</translate>	`true`
<translate> Other settings:</translate> <translate> Alphabetical</translate> \| <translate> By function</translate>

Details

Set this to true to replace Arabic presentation forms with their standard forms in the U+0600-U+06FF block. This only works if $wgLanguageCode is set to "ar".

Pages with titles containing presentation forms will become inaccessible, run maintenance/cleanupTitles.php to fix this.