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Assume support for memcmp, memcpy, memmove, memset.
This simplifies the code a bit.  All current platforms have these,
as they are required for C89.  If this turns into a problem we
can add the gnulib modules for these (a 1-line change to Makefile.in).
* configure.in: Don't check for memcmp, memcpy, memmove, memset.
[lib-src/ChangeLog]
Assume support for memcmp, memcpy, memmove, memset.
* etags.c (absolute_filename): Assume memmove exists.
[src/ChangeLog]
Assume support for memcmp, memcpy, memmove, memset.
* lisp.h, sysdep.c (memcmp, memcpy, memmove, memset):
* regex.c (memcmp, memcpy):
Remove; we assume C89 now.

* gmalloc.c (memcpy, memset, memmove): Remove; we assume C89 now.
(__malloc_safe_bcopy): Remove; no longer needed.

Use EMACS_INT, not EMACS_UINT, for sizes.  The code works equally
well either way, and we prefer signed to unsigned.

* fns.c (Frandom): Use GET_EMACS_TIME for random seed, and add the
subseconds part to the entropy, as that's a bit more random.
Prefer signed to unsigned, since the signedness doesn't matter and
in general we prefer signed.  When given a limit, use a
denominator equal to INTMASK + 1, not to VALMASK + 1, because the
latter isn't right if USE_2_TAGS_FOR_INTS.
* sysdep.c (get_random): Return a value in the range 0..INTMASK,
not 0..VALMASK.  Don't discard "excess" bits that random () returns.

exception for current topic.  Also note that auto-saves are handled
differently.

(allout-auto-save-temporarily-disabled), (allout-just-did-undo): State
variables for tracking auto-save inhibition situation.

(allout-write-contents-hook-handler): Rename from
'allout-write-file-hook-handler', and describe how it depends on
write-contents-functions sensitivity to non-nil value to prevent file
write.

(allout-auto-save-hook-handler): Remove.  auto-save does not check this in
individual buffers, only in the starting buffer, so this is not the right
way for us to inhibit auto-save in a buffer according to its condition.

(allout-mode): Use new allout-write-contents-hook-handler, and only with
write-contents-functions.  Remove auto-save provisions - they're
implemented elsewhere.

(allout-before-change-handler): If undo is in progress, note that for
attention of allout-post-command-business.

(allout-post-command-business): If the command we're following was an undo,
check for change in the status of encrypted items and adjust auto-save
inhibitions accordingly.

(allout-toggle-subtree-encryption): Adjust auto-save inhibition according
to whether there are or aren't any plain-text topics pending encryption.

(allout-inhibit-auto-save-info-for-decryption): Adjust buffer-saved-size
and some allout state to inhibit auto-saves if there are plain-text topics
pending encryption.

(allout-maybe-resume-auto-save-info-after-encryption): Adjust
buffer-saved-size and some allout state to not inhibit auto-saves if there
are no longer any plain-text topics pending encryption.

(allout-next-topic-pending-encryption), (allout-encrypt-decrypted): No
longer provide for exemption of the current topic.

* lisp/arc-mode.el (archive-7z-expunge, archive-7z-update):
New defcustoms.
(archive-7z-write-file-member): New function.
(archive-7z-summarize): Fix the number of dashes in the
listing output.

Fixes: debbugs:8968

Fixes: debbugs:8958

to dark slate blue.

Fixes: debbugs:6693

(syms_of_textprop): Add `display' to Vtext_property_default_nonsticky.
* w32fns.c (syms_of_w32fns):
* xfns.c (syms_of_xfns): Don't Add `display' since it's there by default.

This is more efficient than Ffile_directory_p and avoids a minor race.

* lisp/emacs-lisp/bytecomp.el (byte-compile-interactive-only-functions):
Add switch-to-buffer.

Fixes: debbugs:8911

unconfigured projects if `global-ede-mode' is on.

Fixes: debbugs:8092

(bug#7835).

error be more correct.

is a directory before asking whether to use the file name
(bug#7564).

when reconnecting.

Fixes: debbugs:5563

`tramp-cleanup-this-connection'.

that's installation-specific, but keep the mention of
`get-load-suffixes'.

meaning of the function returned.

* net/tramp-sh.el (tramp-color-escape-sequence-regexp): New defconst.
(tramp-sh-handle-insert-directory, tramp-convert-file-attributes):
Use it.
(tramp-remote-path): Add "/bin" and "/usr/bin".  On busyboxes,
`tramp-default-remote-path' does not exist.
(tramp-send-command-and-read): New optional argument NOERROR.
(tramp-open-connection-setup-interactive-shell)
(tramp-get-remote-path, tramp-get-remote-stat): Use it.
(tramp-get-remote-readlink): Do not mask with `ignore-errors'.
(tramp-process-sentinel): Flush also process' connection property.
(tramp-sh-handle-start-file-process): Do not set process
sentinel.  It is done now ...
(tramp-maybe-open-connection): ... here.  (Bug#8929)

the buffer name.

Fixes: debbugs:5417

Report string overflow if the output is too long.

 (nndraft-request-list): Declare.

This is simpler and helps future-proof the code.
* emacs-lisp/timer.el (timer-until): Use time-subtract and float-time.
(timer--time-less-p): Use time-less-p.

eval-and-compile block causes compilation errors in XEmacs.

* gnutls.c (Fgnutls_boot): Don't mention :verify-error.
  (syms_of_gnutls): Remove duplicate DEFSYM for
  Qgnutls_bootprop_verify_hostname_error, an error for
  Qgnutls_bootprop_verify_error (which is no longer used).

nndraft.el (nndraft-update-unread-articles): Don't show group having no unread article unless it matches gnus-permanently-visible-groups.

* mh-mime.el, mh-search.el, mh-seq.el: Shush XEmacs compiler in
mh-do-in-xemacs block.

* eval.c (find_handler_clause): Remove parameters `sig' and `data',
  unused since 2011-01-26T20:02:07Z!monnier@iro.umontreal.ca.  All callers changed.
  Also (re)move comments that are misplaced or no longer relevant.

 (nndraft-request-associate-buffer): Use it to update the number of unread articles for the nndraft groups in the group buffer when saving or killing a draft message.

for XEmacs.
* mh-show.el (mh-show-msg): Use it, and avoid compiler warning on
XEmacs.