Re: [Outreachy][PATCH v4] Port helper/test-ctype.c to unit-tests/t-ctype.c

Phillip Wood [off-list ref] writes:

In the new version we only test the characters 0-255, not EOF. If
there is a good reason for removing the EOF tests then it should be
explained in the commit message. If not it would be good to add those
tests back.

Thanks for sharp eyes.  Didn't notice the handling of EOF myself.