Show an info box explaining that spaces disable history recording in command prompt
Show an info box explaining that spaces disable history recording in command prompt

Fixes #477

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