Fix tabs in clang.kak and improve escaping
Fix tabs in clang.kak and improve escaping

alexherbo2/kakoune,occivink/kakoune,elegios/kakoune,jkonecny12/kakoune,jjthrash/kakoune,danielma/kakoune,Asenar/kakoune,Asenar/kakoune,zakgreant/kakoune,jjthrash/kakoune,alexherbo2/kakoune,xificurC/kakoune,danielma/kakoune,elegios/kakoune,casimir/kakoune,danr/kakoune,mawww/kakoune,lenormf/kakoune,occivink/kakoune,Somasis/kakoune,mawww/kakoune,ekie/kakoune,rstacruz/kakoune,Asenar/kakoune,ekie/kakoune,xificurC/kakoune,xificurC/kakoune,occivink/kakoune,mawww/kakoune,xificurC/kakoune,Somasis/kakoune,zakgreant/kakoune,flavius/kakoune,casimir/kakoune,alpha123/kakoune,danr/kakoune,casimir/kakoune,Asenar/kakoune,ekie/kakoune,jjthrash/kakoune,mawww/kakoune,alexherbo2/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,elegios/kakoune,Somasis/kakoune,rstacruz/kakoune,Somasis/kakoune,flavius/kakoune,rstacruz/kakoune,danr/kakoune,jkonecny12/kakoune,alpha123/kakoune,zakgreant/kakoune,zakgreant/kakoune,occivink/kakoune,danielma/kakoune,flavius/kakoune,danr/kakoune,lenormf/kakoune,alpha123/kakoune,lenormf/kakoune,ekie/kakoune,alpha123/kakoune,flavius/kakoune,jjthrash/kakoune,lenormf/kakoune,casimir/kakoune,jkonecny12/kakoune,danielma/kakoune,elegios/kakoune,rstacruz/kakoune