support absolute filenames in insert mode filename completion
support absolute filenames in insert mode filename completion

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