I want the language Fongbe (Benin) [fon-BJ] to be added.
Eike Rathke committed a patch related to this issue.
It has been pushed to "master":
Resolves: tdf#113835 add Fon [fon-BJ] to language list
It will be available in 6.0.0.
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.