.hgignore

bash_completion: use hg --debug help to get the list of debug commands.

Also, try completing with the debug commands only when there's no other
candidates.

Based on an idea by TK Soh.

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/