* lisp/simple.el (filter-buffer-substring-function): New hook.
(filter-buffer-substring): Use it.
(filter-buffer-substring-functions): Mark obsolete.
* lisp/minibuffer.el (completion-in-region-function): New hook.
(completion-in-region): Use it.
(completion-in-region-functions): Mark obsolete.
* lisp/mail/mailabbrev.el (mail-abbrevs-setup): Use abbrev-expand-function.
* lisp/abbrev.el (abbrev-expand-function): New hook.
(expand-abbrev): Use it.
(abbrev-expand-functions): Mark obsolete.
* lisp/emacs-lisp/nadvice.el (advice--where-alist): Add :filter-args
and :filter-return.
* lisp/org/org-agenda.el (org-agenda-mode):
* lisp/org/org-indent.el (org-indent-mode): Use the `local' arg of
add-hook/remove-hook.
`temporary-file-directory' on remote hosts.
* ob-eval.el (org-babel-shell-command-on-region): Use
`process-file' instead of `call-process-region'. The latter one
does not work on remote hosts.
* doc/lispref/numbers.texi (Random Numbers): Document new behavior of
the calls (random) and (random STRING).
* etc/NEWS: Document new behavior of (random), (random "string").
* lisp/play/5x5.el, lisp/play/animate.el, lisp/play/cookie1.el:
* lisp/play/dissociate.el, lisp/play/doctor.el, lisp/play/dunnet.el:
* lisp/play/gomoku.el, lisp/play/landmark.el, lisp/play/mpuz.el:
* lisp/play/tetris.el, lisp/play/zone.el:
* lisp/calc/calc-comb.el (math-init-random-base):
* lisp/play/blackbox.el (bb-init-board):
* lisp/play/life.el (life):
* lisp/server.el (server-use-tcp):
* lisp/type-break.el (type-break):
Remove unnecessary call to (random t).
* lisp/net/sasl.el (sasl-unique-id-function):
Change (random t) to (random), now that the latter is more random.
* lisp/play/life.el (life-initialized): Remove no-longer-needed var.
* lisp/gnus/gnus-sync.el (gnus-sync-lesync-setup):
* lisp/gnus/message.el (message-canlock-generate, message-unique-id):
Change (random t) to (random), now that the latter is more random.
* lisp/org/org-id.el (org-id-uuid):
Change (random t) to (random), now that the latter is more random.
* src/emacs.c (main): Call init_random.
* src/fns.c (Frandom): Set the seed from a string argument, if given.
Remove long-obsolete Gentzel cruft.
* src/lisp.h, src/sysdep.c (seed_random): Now takes address and size, not long.
(init_random): New function.
* lisp/org/ob-lilypond.el (ly-w32-ly-path): Rename from ly-win32-ly-path.
(ly-w32-pdf-path): Rename from ly-win32-pdf-path.
(ly-w32-midi-path): Rename from ly-win32-midi-path.
(ly-determine-ly-path, ly-determine-pdf-path, ly-determine-midi-path):
Check for "windows-nt", not "win32", in system-type.
* src/regex.c (MAX_BUF_SIZE): Remove some incorrect and
long-ago-commented-out code that talks about "WIN32".
* src/w32heap.h (OS_WINDOWS_95): Rename from OS_WIN95.
All uses changed.