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This is a cleaner way to fix the MinGW-w64 porting problem.
Check for INTPTR_MAX misconfiguration.

 src/search.c (newline_cache_on_off, find_newline): In indirect
 buffers, use the newline cache of the base buffer.
 src/insdel.c (invalidate_buffer_caches): If BUF is an indirect
 buffer, invalidate the caches of its base buffer.
 src/indent.c (width_run_cache_on_off, compute_motion): In indirect
 buffers, use the width-run cache of the base buffer.
 src/xdisp.c (redisplay_window): When the window displays an indirect
 buffer, and the character widths in the display table have
 changed, invalidate the width-run cache of the corresponding base
 buffer.
 src/fileio.c (Finsert_file_contents): When invalidating the newline
 cache, consider the case of inserting into indirect buffer.
 src/bidi.c (bidi_paragraph_cache_on_off, bidi_find_paragraph_start):
 In indirect buffers, use the paragraph cache of the base buffer.

These are dates that admin/update-copyright did not update,
or updated incorrectly.

* window.c (grow_mini_window): Fix last change.

Fixes: debbugs:8421

 configure.ac (canonical, C_SWITCH_SYSTEM): Support a 64-bit
 MinGW64 build on MS-Windows.

 nt/inc/ms-w32.h (sys_kill): Fix prototype.

 src/w32term.c (w32_initialize): Use LCID and LOWORD.
 src/w32proc.c (create_child): Use pid_t for 5th argument.
 (IsValidLocale): Don't provide prototype for MinGW64.
 (Fw32_get_valid_keyboard_layouts, Fw32_get_keyboard_layout)
 (Fw32_set_keyboard_layout): Use HKL and HIWORD/LOWORD.
 src/w32heap.c (allocate_heap) [_WIN64]: Use "ull", not "i64", which
 MinGW64 doesn't support.
 src/lisp.h (EMACS_INT) [_WIN64]: Define for the MinGW64 build.

	(indian-is13194): Specify unify-map.

 src/w32.c (set_named_security_info): New function.
 (acl_set_file): Fall back on set_named_security_info if
 set_file_security fails.  Fixes rare failures in backups.
 (g_b_init_set_named_security_info_w)
 (g_b_init_set_named_security_info_a): New static variables.
 (globals_of_w32): Initialize them to zero.
 (set_named_security_info): Set them to non-zero if the
 corresponding API is available.
 (SetNamedSecurityInfoW_Proc, SetNamedSecurityInfoA_Proc): New
 function typedefs.

* gtkutil.c (x_wm_set_size_hint): Have size hints respect value
of frame_resize_pixelwise.
* widget.c (pixel_to_text_size): New function.
(update_wm_hints): Have size hints respect value of
frame_resize_pixelwise.
(EmacsFrameResize): Alway process resize requests pixelwise.
* window.c (grow_mini_window): Make sure mini window is at least
one line tall.
* xdisp.c (display_menu_bar): Make sure menubar extends till
right end of frame.
* xfns.c (x_set_menu_bar_lines): Resize frame windows pixelwise.
(x_set_tool_bar_lines): Calculate pixelwise.
* xterm.c (x_wm_set_size_hint): Have size hints respect value of
frame_resize_pixelwise.

Fixes: debbugs:16305

* fileio.c (Fcopy_file) [!WINDOWSNT]: Don't declare on Windows
variables not used there.

Some updates for changes in Texinfo 5 output.

 src/w32.c (sys_umask): New function.

 nt/inc/ms-w32.h (umask) [emacs]: Redirect to sys_umask.

* dispnew.c (change_frame_size_1): Take old width of root window
from that window's pixel width.  Bug#16284.

* emacs.texi, emacs-xtra.texi:
* emacs-lisp-intro.texi:
* back.texi, book-spine.texi, elisp.texi, lay-flat.texi:
* ada-mode.texi, auth.texi, autotype.texi, bovine.texi, calc.texi:
* cc-mode.texi, cl.texi, dbus.texi, dired-x.texi, ebrowse.texi:
* ede.texi, ediff.texi, edt.texi, efaq-w32.texi, efaq.texi:
* eieio.texi, emacs-gnutls.texi, emacs-mime.texi, epa.texi, erc.texi:
* ert.texi, eshell.texi, eudc.texi, flymake.texi, forms.texi:
* gnus-coding.texi, gnus-faq.texi, gnus.texi, htmlfontify.texi:
* idlwave.texi, ido.texi, info.texi, mairix-el.texi, message.texi:
* mh-e.texi, newsticker.texi, nxml-mode.texi, octave-mode.texi:
* org.texi, pcl-cvs.texi, pgg.texi, rcirc.texi, reftex.texi:
* remember.texi, sasl.texi, sc.texi, semantic.texi, ses.texi:
* sieve.texi, smtpmail.texi, speedbar.texi, srecode.texi:
* todo-mode.texi, tramp.texi, url.texi, vip.texi, viper.texi:
* widget.texi, wisent.texi, woman.texi:
Add @documentencoding, @documentlanguage as needed.

Fixes: debbugs:16292

* doc/lispref/files.texi (Changing Files): Document this.
* etc/NEWS: Document this.
* src/fileio.c (realmask): Now a static var, not a local.
(barf_or_query_if_file_exists): New arg KNOWN_TO_EXIST.
Remove arg STATPTR.  All uses changed.
(Fcopy_file): Do not alter permissions of existing destinations,
unless PRESERVE-PERMISSIONS (renamed from
PRESERVE-EXTENDED-ATTRIBUTES) is non-nil.
Avoid race when testing for existing destinations and for
when input and output files are the same.
If changing the group fails, adjust both default and
preserved permissions so that access is not granted to the
wrong group.
(Fset_default_file_modes, init_fileio): Update realmask.
(Fdefault_file_modes): Use realmask instead of calling umask.

Fixes: debbugs:16133

Fixes: debbugs:16262

Reported by YAMAMOTO Mitsuharu in:
http://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00995.html

* admin/make-emacs:
* admin/build-configs: Add the "use strict;" and "use warnings;" pragmas.

* emacs.c (main) [DAEMON_MUST_EXEC]: Clear the close-on-exec
flags on the daemon pipe ends before execing.

* elec-pair.el (electric-pair-post-self-insert-function): Don't
open extra newlines at beginning of buffer.

 src/w32fns.c (Fx_create_frame): Error out if called from a TTY
 session.

 lisp/frame.el (window-system-for-display): Don't allow to create a
 GUI frame from a -nw session on MS-Windows.