Manual:$wgAllowRawHtmlCopyrightMessages

Language, regional and character encoding settings: $wgAllowRawHtmlCopyrightMessages
Whether on-wiki overrides for the copyright and history_copyright messages, which allow raw HTML, will be used.
Introduced in version:1.43.0 (Gerrit change 1075597; git #943d0890)
Removed in version:Still in use
Allowed values:(boolean)
Default value:true

Details

Whether on-wiki overrides for the copyright and history_copyright messages, which allow raw HTML, will be used.