Manual:$wgAllUnicodeFixes

Language, regional and character encoding settings: $wgAllUnicodeFixes
Whether to always convert certain Unicode sequences to modern ones regardless of the content language.
Introduced in version:1.17.0 (r69178)
Removed in version:still in use
Allowed values:(boolean)
Default value:false

Details edit

Whether to always convert certain Unicode sequences to modern ones regardless of the content language. This has a small performance impact.

See $wgFixArabicUnicode and $wgFixMalayalamUnicode for conversion details.