man.kak: Better support for renaming a man buffer
man.kak: Better support for renaming a man buffer

Fixes #1718

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