idx: Clarify that idx_t always behaves like a signed type.
commit968eeb4b2b719ff628241e2ea5a6e89bbb677fcf
authorBruno Haible <bruno@clisp.org>
Fri, 4 Dec 2020 02:19:47 +0000 (4 03:19 +0100)
committerBruno Haible <bruno@clisp.org>
Fri, 4 Dec 2020 02:27:20 +0000 (4 03:27 +0100)
treeb56724dcf318851511570cdb0884a2b05a3da7d9
parent84f4817709b9998b3eadfb8d4409890bd46eb511
idx: Clarify that idx_t always behaves like a signed type.

Suggested by Paul Eggert in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00034.html>.

* lib/idx.h: Clarify that idx_t always behaves like a signed type.
Don't test UNSIGNED_IDX_T.
ChangeLog
lib/idx.h