hook: fewer parentheses for hook load errors
This matches 'hook failed' warnings.
We're also going to add hints to some of the hook load errors. Without this
change we'd have two pairs of parens for a single error message, which looks
really cluttered.
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
for software developers.
Basic install:
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing:
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.