Change asciidoc backend to more recent name. The latest asciidoc doesn't have an 'html' backend. 'html' was last valid with version 6 ( 2005-1-28). Current options are xhtml11, or html4, with xhtml11 by default.

syntax: glob

*.elc
*.orig
*.rej
*~
*.so
*.pyc
*.swp
*.prof
tests/*.err
build
dist
doc/*.[0-9]
doc/*.[0-9].{x,ht}ml
MANIFEST
patches
mercurial/__version__.py

syntax: regexp
^\.pc/