Turn off xmllint for a2x.py
Turn off xmllint for a2x.py

The docbook DTD is not locally available in OSX, and the a2x.py
command calls xmllint with `--nonet` so it can't fetch the DTD.
Easier to just turn off linting.

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