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Fixes: debbugs:19734

* lisp/emacs-lisp/backquote.el (backquote-delay-process): Don't reuse `s'
since it may be "equivalent" in some sense, yet different.
* test/automated/core-elisp-tests.el (core-elisp-tests-3-backquote): New test.

* outline.el (outline-hide-entry): Rename from `hide-entry'.
(outline-show-entry): rename from `show-entry'
(outline-hide-body): Rename from `hide-body'.
(outline-hide-region-body): Rename from `hide-region-body'.
(outline-show-all): Rename from `show-all'.
(outline-hide-subtree): Rename from `hide-subtree'.
(outline-hide-leaves): Rename from `hide-leaves'.
(outline-show-subtree): Rename from `show-subtree'.
(outline-hide-sublevels): Rename from `hide-sublevels'.
(outline-hide-other): Rename from `hide-other'.
(outline-show-children): Rename from `show-children'.
(outline-show-branches): Rename from `show-branches'.

* lisp/outline.el (font-lock-warning-face): Remove unused declare.
(outline-mode-prefix-map): Remove obsolete comment.
(outline-font-lock-face): Remove obsolete comment.

* lisp/files.el (save-buffers-kill-emacs): If `confirm-kill-emacs' is
set, but user has just been asked whether they really want to kill Emacs
(for example with a ‘Modified buffers exist; exit anyway?’ prompt) , do
not ask them for another confirmation.

Ref: http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg01748.html

* lisp/gnus/gnus-registry.el (gnus-registry-max-pruned-entries)
(gnus-registry-prune-factor, gnus-registry-default-sort-function):
Fix :version.
(gnus-registry-default-sort-function): Improve :type.

That's not the right format for multi-file changes,
and such things don't need ChangeLog entries anyway.

If you revert a change a few days after making it,
don't delete the ChangeLog entry.

Merged ChangeLog entries go to the top, with the date of the merge.
It's a simple rule.

 src/dired.c (read_dirent): Accept an additional argument
 FIRST_ENTRY.  If readdir fails with ENOENT or EACCES the first
 time it is called, report the error as if it happened in
 open_directory.
 (directory_files_internal, file_name_completion): Adjust callers
 or read_dirent.

* dired.c (open_directory): Accept Lisp_Object, not char *, for
dirname.  Signal an error if the open fails.  All callers changed.

Previously, on non-MS-Windows platforms the code treated most
readdir failures as EOF.  This was incorrect, e.g., when readdir
fails with errno == EOVERFLOW.  Signal an error instead.
* dired.c (read_dirent):
New function, which signals an error when readdir fails.
(directory_files_internal, file_name_completion): Use it.

ad588afd Improve the fix for bug #19701

Conflicts:
	src/ChangeLog

The following commit was skipped:

ba10f4b5 Fix issues with BibTeX entries containing ")".

 src/w32uniscribe.c (uniscribe_list, uniscribe_match): Use bool where
 appropriate.
 src/w32font.c (struct font_callback_data, w32font_list_internal)
 (w32font_driver, w32font_match_internal): Use bool where appropriate.
 src/w32menu.c (x_activate_menubar, set_frame_menubar)
 (w32_dialog_show, initialize_frame_menubar, w32_menu_show)
 (is_simple_dialog): Use bool where appropriate.

  simplification.

  test for consistent units.

(calc-convert-units): Check for missing units.

* lisp/calc/calc-ext.el (calc-init-extensions):  Autoload
`calc-convert-exact-units' and assign it a keybinding.

* lisp/calc/calc-help (calc-u-prefix-help): Add help for the
"un" keybinding.

lisp/gnus/message.el (message-smtpmail-send-it): Make non-standard mail header separators work with smtpmail

* xfaces.c (face_change): Rename from face_change_count, and
change from int to bool.  The var is now true (instead of nonzero)
if attributes have changed; this is simpler.  All uses changed.
Fixes: bug#19698

 src/dired.c (directory_files_internal, file_name_completion)
 [WINDOWSNT]: Signal an error when errno is set non-zero by
 'readdir', regardless of its value.
 src/w32.c (sys_readdir): Set errno to ENOENT when the directory
 doesn't exist and to EACCES when it's not accessible to the
 current user.  Set errno to zero when FindNextFile exhausts the
 directory, so that callers don't interpret that as an error and
 don't signal a file-error.
 (open_unc_volume): Set errno to ENOENT if WNetOpenEnum fails.

* textmodes/reftex.el (reftex-syntax-table-for-bib): Give ( and )
punctuation syntax since to allow bibtex fields with values such
as {Test 1) and 2)} (bug#19205, bug#19707).
(reftex--prepare-syntax-tables): New function.
(reftex-mode): Use it.

[backport from trunk]

* textmodes/reftex.el (reftex-syntax-table-for-bib): Give ( and )
punctuation syntax since to allow bibtex fields with values such
as {Test 1) and 2)} (bug#19205, bug#19707).
(reftex--prepare-syntax-tables): New function.
(reftex-mode): Use it.

This attempts to repair problems introduced by the bad merge
5491fd10.  The easiest way for me
to fix the badly-merged gnulib files was to run
'admin/merge-gnulib', so I did that, which also imported the
following changes:
* build-aux/update-copyright, m4/gnulib.m4:
Update from gnulib, incorporating:
2015-01-15 time: port to MinGW32 3.21
2015-01-15 update-copyright: apply to self
2015-01-11 update-copyright: recognize groff's \(co marker

* nnimap.el (nnimap-find-expired-articles): Fix handling of
(expiry-wait . never).

9664defd Signal a file-error from directory-files on MS-Windows  (Bug#19701)
fd4e65e4 Added missing test for previous commit
5485e3e5 python.el: New non-global state dependent indentation engine.
3b23e6a7 Fix the description of --insert command-line option  (Bug#19694)
7a7e5941 Add a cross-reference in ELisp manual.  (Bug#19668)
b4f40757 Fixes: debbugs:19660
83b3c312 * test/automated/regexp-tests.el: Require regexp-opt

Conflicts:
	lisp/progmodes/python.el

The following commits were skipped:

81fb8ab0 Backport: Fix package tests when TMPDIR is in HOME
3a345b50 Backport: Handle the `neg' operator in some calc-units functions.

8ee825c3 doc/emacs/programs.texi (Custom C Indent): Fix a typo.  (Bug#19647)
88ba49fe Fix coding.c subscript error
3ea1b31f Prevent artist-mode from creating runaway timers (Bug#6130).