tr Lang missing from init

[Dobrosław Żybort]

Debug to understand why tests are passing if 'trSub' is not added in init?

slug/languages_substitution.go

Line 11 in a57e999

 &deSub, &enSub, &esSub, &fiSub, &grSub, &nlSub, &plSub, &svSub, 

[Dobrosław Żybort]

Long term I need to find better way of handling many languages (to not forget about missing tests etc.)