Re: why no mention of "hooks.allownonascii" in any man page?

"Robert P. J. Day" [off-list ref] writes:

quoted

But perhaps it should be documented as the functionality of the
default hook in githooks(5), similarly to how we document
hooks.allowunannotated. Patches welcome :)

  sure, i'll take care of that.

Sounds like a sensible way forward.  Thanks, both.