This makes possible to use a different emacs executable to run the
tests.
$ make
# use system' emacs
...
$ make EMACS=/path/to/emacs
# use the provided emacs executable
...
Signed-off-by: Justin Abrahms <justin@abrah.ms>
Drop the checkdoc-batch library in favour of a simpler approach:
run checkdoc on all *.el files in the repo, bailing out on the first
encountered error.
While here, don't call checkdoc on eval.
Signed-off-by: Justin Abrahms <justin@abrah.ms>