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No st_shndx value larger than SHN_LORESERVE should be changed.
* unexelf.c (unexec): Don't adjust any st_shndx larger than
SHN_LORESERVE.  Error on SHN_XINDEX.

* unexelf.c (unexec): Merge Alpha and MIPS COFF debug handling.
Don't find .mdebug section index, find the section in the loop.
Allow for unlikely possibility that .mdebug is located at sh_offset
before bss segment, by calculating move from difference in
sh_offset rather than just assuming new_data2_size.  Simplify
cbLineOffset handling.

Separate out some of the more mechanical changes so following patches
are smaller.

* unexelf.c (unexec): Rearrange initialisation of program
header vars.  Use pointer vars in loops rather than indexing
section header array via macros.  Simplify _OBJC_ sym code
and reloc handling code.

First a small fix.  The code incorrectly uses "NEW_SECTION_H (n)" when
it should have been using "NEW_SECTION_H (nn)" to find the name of the
section currently being processed.  Of course, before the bss
sections, n and nn have the same value, so this doesn't matter except
in the case of .sbss.  For .sbss this probably meant .bss (most likely
the next section) was copied from memory.  A later patch removes the
bogus .sbss handling anyway.

* unexelf.c (unexec): Use correct index to look up names.

* lisp/filenotify.el (file-notify--rm-descriptor):
Use `descriptor' instead of computing its value.
(file-notify--descriptor): Additional argument FILE.  Adapt all callees.
(file-notify-rm-watch): Use `descriptor' when calling file name handler.
(Bug#21841)

* src/lread.c (grow_read_buffer): New function, which uses xpalloc.
(read1): Use it for simplicity.
* src/macros.c (store_kbd_macro_char):
* src/minibuf.c (read_minibuf_noninteractive):
* src/term.c (encode_terminal_code):
* src/xrdb.c (magic_db):
Prefer xpalloc to growing buffers by hand.
This doesn’t fix any bugs, but simplifies the code a bit.

This incorporates:
2015-11-05 timespec-sub: fix overflow bug; add tests
2015-11-04 intprops: revise _WRAPV macros, revert _OVERFLOW
2015-11-03 intprops: add parentheses
* lib/intprops.h, lib/timespec-add.c, lib/timespec-sub.c:
Copy from gnulib.

* nsterm.m (windowDidResize:, toggleFullScreen:):
Call notification functions with notification objects
as per delegate APIs.

* test/automated/buffer-tests.el: New file.
(overlay-modification-hooks-message-other-buf): New test.

* nsterm.m (windowDidResize:,windowWillExitFullScreen:)
  (windowDidExitFullScreen:): Return if frame is dead.
  These functions may be called when a fullscreen frame
  is closed; they are called before, not after.

May address Bug#21428.

* lisp/frame.el (redisplay--variables): Make it a hash-table.

* src/xdisp.c (maybe_set_redisplay): Access redisplay--variables
as a hash-table.  This speeds up this function by an order of
magnitude: where previously a setq was slowed down by 100% by
introducing the maybe_set_redisplay test, it is now only 5%
slower.
(syms_of_xdisp) <redisplay--variables>: Doc fix.

The defsubst was being created as:
    (cl-defsubst name (args) ("DOC") ...)

* test/automated/cl-lib-tests.el (cl-lib-struct-constructors): Add test

* lisp/hexl.el (hexl-mode): Doc fix.  (Bug#21800)

Copyright-paperwork-exempt: yes

* lisp/abbrev.el (define-abbrev): Don't erase the :abbrev-table-modiff
property of the abbrev-table.  (Bug#21828)

* test/automated/abbrev-tests.el: New file.

* test/automated/auto-revert-tests.el
(auto-revert-test01-auto-revert-several-files): New test.
(auto-revert-test02-auto-revert-tail-mode)
(auto-revert-test03-auto-revert-mode-dired): Rename them.

* src/xdisp.c (x_consider_frame_title): Return immediately for
tooltip frames to avoid displaying empty tooltips.

* nsterm.m (ns_constrain_all_frames): Don't constrain fullscreen
frames.

* lisp/progmodes/elisp-mode.el (elisp--eval-last-sexp): Revert
last change.
* lisp/frame.el (redisplay--variables): Populate the
redisplay--variables list.
* src/xdisp.c (maybe_set_redisplay): New function.
(syms_of_xdisp) <redisplay--variables>: New variable.
* src/window.h (maybe_set_redisplay): Declare prototype.
* src/data.c (set_internal): Call maybe_set_redisplay.  (Bug#21835)

* src/buffer.c (report_overlay_modification): When called with
AFTER non-zero, don't invoke overlay modification hooks if the
buffer recorded in last_overlay_modification_hooks is different
from the current buffer.  (Bug#21824)

See http://lists.gnu.org/archive/html/emacs-devel/2015-11/msg00194.html.

* src/dispnew.c (required_matrix_height, required_matrix_width):
Avoid division by zero.
* src/xterm.c (x_term_init): Init dpyinfo->smallest_font_height and
dpyinfo->smallest_char_width to 1.

* lisp/progmodes/elisp-mode.el (elisp--eval-last-sexp): Make sure
redisplay happens to account for any side effects of the evaluated
sexp.  (Bug#21835)

* CONTRIBUTE: Move less important sections after the more
important ones.  Add section about the bug tracker.

* test/automated/file-notify-tests.el (file-notify--test-with-events):
Remove argument TIMEOUT.  Adapt all callees.
(file-notify-test02-events, file-notify-test04-file-validity):
Skip for cygwin.  (Bug#21804)

* lisp/net/pinentry.el (pinentry-start): Add optional QUIET
argument.
* lisp/epg.el: Declare `pinentry-start'.
(epg--start): Call `pinentry-start' with QUIET argument set.

(xref-elisp-deftest): Bind `find-file-suppress-same-file-warnings' to t.