POSIX:2024 is available online

[Bruno Haible]

Here are the URLs:
  POSIX:2024 (= "Issue 8")  https://pubs.opengroup.org/onlinepubs/9799919799/
  POSIX:2018 (= "Issue 7")  https://pubs.opengroup.org/onlinepubs/9699919799/
  POSIX:2004 (= "Issue 6")  https://pubs.opengroup.org/onlinepubs/009604599/


I pushed these two documentation changes:

2024-07-20  Bruno Haible  <bruno@clisp.org>

        doc: Reference POSIX:2024 instead of POSIX:2018.
        * doc/*.texi: Change URL to POSIX.
        * doc/posix-headers/*.texi: Likewise.
        * doc/posix-functions/*.texi: Likewise.

2024-07-20  Bruno Haible  <bruno@clisp.org>

        doc: Update status of functions that are removed from POSIX:2024.
        * doc/pastposix-functions/_longjmp.texi: Moved here
        fromdoc/posix-functions/.
        * doc/pastposix-functions/_setjmp.texi: Likewise.
        * doc/pastposix-functions/_tolower.texi: Likewise.
        * doc/pastposix-functions/_toupper.texi: Likewise.
        * doc/pastposix-functions/fattach.texi: Likewise.
        * doc/pastposix-functions/fdetach.texi: Likewise.
        * doc/pastposix-functions/ftw.texi: Likewise.
        * doc/pastposix-functions/getitimer.texi: Likewise.
        * doc/pastposix-functions/getmsg.texi: Likewise.
        * doc/pastposix-functions/getpmsg.texi: Likewise.
        * doc/pastposix-functions/gets.texi: Likewise.
        * doc/pastposix-functions/gettimeofday.texi: Likewise.
        * doc/pastposix-functions/ioctl.texi: Likewise.
        * doc/pastposix-functions/isascii.texi: Likewise.
        * doc/pastposix-functions/isastream.texi: Likewise.
        * doc/pastposix-functions/posix_trace_*.texi: Likewise.
        * doc/pastposix-functions/pthread_getconcurrency.texi: Likewise.
        * doc/pastposix-functions/pthread_setconcurrency.texi: Likewise.
        * doc/pastposix-functions/putmsg.texi: Likewise.
        * doc/pastposix-functions/putpmsg.texi: Likewise.
        * doc/pastposix-functions/setitimer.texi: Likewise.
        * doc/pastposix-functions/setpgrp.texi: Likewise.
        * doc/pastposix-functions/sighold.texi: Likewise.
        * doc/pastposix-functions/sigignore.texi: Likewise.
        * doc/pastposix-functions/siginterrupt.texi: Likewise.
        * doc/pastposix-functions/sigpause.texi: Likewise.
        * doc/pastposix-functions/sigrelse.texi: Likewise.
        * doc/pastposix-functions/sigset.texi: Likewise.
        * doc/pastposix-functions/tempnam.texi: Likewise.
        * doc/pastposix-functions/toascii.texi: Likewise.
        * doc/pastposix-functions/ulimit.texi: Likewise.
        * doc/pastposix-functions/utime.texi: Likewise.
        * doc/gnulib.texi (Function Substitutes): Don't include them here.
        (Legacy Function Substitutes): Include them here.