Manual:$wgEditEncoding

Language, regional and character encoding settings: $wgEditEncoding
Characters not explicitly converted by output encoding
Introduced in version:pre 1.1.0
Removed in version:1.28.0 (Gerrit change 110589; git #3b5f60f2)
Allowed values:Unspecified
Default value:''

DetailsEdit

For some languages, it may be necessary to explicitly specify which characters make it into the edit box raw or are converted in some way or another.

If $wgOutputEncoding is different from $wgInputEncoding , this text will be further converted to $wgOutputEncoding.

See alsoEdit