sh: support mksh
sh: support mksh

alexherbo2/kakoune,alexherbo2/kakoune,lenormf/kakoune,jjthrash/kakoune,mawww/kakoune,mawww/kakoune,casimir/kakoune,occivink/kakoune,alexherbo2/kakoune,jjthrash/kakoune,occivink/kakoune,danr/kakoune,jkonecny12/kakoune,casimir/kakoune,lenormf/kakoune,lenormf/kakoune,jkonecny12/kakoune,occivink/kakoune,Somasis/kakoune,mawww/kakoune,Somasis/kakoune,danr/kakoune,Somasis/kakoune,danr/kakoune,occivink/kakoune,mawww/kakoune,jjthrash/kakoune,lenormf/kakoune,casimir/kakoune,casimir/kakoune,Somasis/kakoune,jjthrash/kakoune,danr/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,jkonecny12/kakoune