Manual:$wgFixMalayalamUnicode

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Language, regional and character encoding settings: $wgFixMalayalamUnicode
Set this to true to clean up archaic Unicode sequences in Malayalam text.
Introduced in version:1.16.0 (r61282)
Deprecated in version:1.33.0 (Gerrit change 468598; git #103a4f76)
Removed in version:1.35.0 (Gerrit change 573848; git #Idefd562)
Allowed values:(boolean)
Default value:true

Details[edit]

Set this to true to replace ZWJ-based chillu sequences in Malayalam text with their Unicode 5.1 equivalents. This only works if $wgLanguageCode is set to "ml". Note that some clients (even new clients as of 2010) do not support these characters.

If you enable this on an existing wiki, run maintenance/cleanupTitles.php to fix any ZWJ sequences in existing page titles.