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2013-03-05  Paul Eggert  <eggert@cs.ucla.edu>

	FILE's lock is now always .#FILE and may be a regular file (Bug#13807).
	* filelock.c: Include <c-ctype.h>.
	(MAX_LFINFO): New top-level constant.
	(lock_info_type): Remove members pid, boot_time.  Add members at,
	dot, colon.  Change user member to be the entire buffer, not a
	pointer.  This allows us to handle the case where a foreign
	pid or boot time exceeds the local range.  All uses changed.
	(LINKS_MIGHT_NOT_WORK): New constant.
	(FREE_LOCK_INFO): Remove, as the pieces no longer need freeing.
	(defined_WINDOWSNT): Remove.
	(MAKE_LOCK_NAME, file_in_lock_file_name):
	Always use .#FILE (not .#-FILE) for the file lock,
	even if it is a regular file.
	(rename_lock_file): New function.
	(create_lock_file): Use it.
	(create_lock_file, read_lock_data):
	Prefer a symbolic link for the lock file, falling back on a
	regular file if symlinks don't work.  Do not try to create
	symlinks on MS-Windows, due to security hassles.  Stick with
	POSIXish functions (open, read, write, close, fchmod, readlink, symlink,
	link, rename, unlink, mkstemp) when creating locks, as a GNUish
	host may be using a Windowsish file system, and cannot use
	MS-Windows-only system calls.  Fall back on mktemp if mkstemp
	doesn't work.  Don't fail merely because of a symlink-contents
	length limit in the current file system; fall back on regular
	files.  Increase the symlink contents length limit to 8 KiB, this
	should be big enough for any real use and doesn't crunch the
	stack.
	(create_lock_file, lock_file_1, read_lock_data):
	Simplify allocation of lock file buffers now that they fit in 8 KiB.
	(lock_file_1): Return error number, not bool.  All callers changed.
	(ELOOP): New macro, if not already defined.
	(read_lock_data): Return size of lock file contents, not Lisp object.
	All callers changed.  Handle a race condition if some other process
	replaces a regular-file lock with a symlink lock or vice versa,
	while we're trying to read the lock.
	(current_lock_owner): Parse contents more carefully, to help avoid
	confusing a regular-file lock with some other application's use
	of the file.  Check for lock file contents being too long, or
	not parsing correctly.
	(current_lock_owner, lock_file):
	Allow foreign pid and boot times that exceed the local range.
	(current_lock_owner, lock_if_free, lock_file):
	Simplify allocation of lock file contents.
	* w32.c (sys_rename_replace): New function, containing most of
	the contents of the old sys_rename.
	(sys_rename): Use it.
	(fchmod): New dummy function.
	* w32.h (sys_rename_replace, fchmod): New decls.

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2013-03-05  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_resolve_explicit_1): Don't call CHAR_TO_BYTE or
	bidi_count_bytes, as the callers now arrange for bidi_it->charpos
	to be in sync with bidi_it->bytepos.  Suggested by Dmitry Antipov
	<dmantipov@yandex.ru>.

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2013-03-05  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix a build failure on OpenBSD 4.x and MirBSD.
	* sysdep.c (KERN_PROC, kinfo_proc)
	[BSD_SYSTEM && (!KERN_PROC || __MirBSD__)]:
	Define to KERN_PROC2 and kinfo_proc2, for OpenBSD 4.9 and MirBSD.
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	list-system-processes still returns nil, but at least it doesn't crash.
	Problem reported by Nelson H. F. Beebe in
	<http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00021.html>.

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2013-03-05  Dmitry Antipov  <dmantipov@yandex.ru>

	* composite.c (get_composition_id, fill_gstring_header):
	Use make_uninit_vector where appropriate.
	* font.c (Ffont_get_glyphs, build_style_table): Likewise.
	* xselect.c (clean_local_selection_data): Likewise.

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2013-03-04  Paul Eggert  <eggert@cs.ucla.edu>

	Fix misuse of ImageMagick that caused core dump (Bug#13846).
	* image.c (imagemagick_load_image): Calculate height and width
	after flattening the image, not before.

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2013-03-04  Dmitry Antipov  <dmantipov@yandex.ru>

	* font.c (Ffont_get_glyphs): Use convenient LGLYPH_NEW.
	* ftfont.c (ftfont_shape_by_flt): Likewise.
	* w32uniscribe.c (uniscribe_shape): Likewise.

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2013-03-02  Paul Eggert  <eggert@cs.ucla.edu>

	The lock for FILE is now .#FILE or .#-FILE (Bug#13807).
	The old approach, which fell back on DIR/.#FILE.0 through
	DIR/.#FILE.9, had race conditions that could not be easily fixed.
	If DIR/.#FILE is a non-symlink file, Emacs now does not create a
	lock file for DIR/FILE; that is, DIR/FILE is no longer partly
	protected by a lock if DIR/.#FILE is a non-symlink file ("partly"
	because the locking mechanism was never reliable in that case).
	This patch fixes this and other bugs discovered by a code
	inspection that was prompted by
	<http://lists.gnu.org/archive/html/emacs-devel/2013-02/msg00531.html>.
	Also, this patch switches to .#-FILE (not .#FILE) on MS-Windows,
	to avoid interoperability problems between the MS-Windows and
	non-MS-Windows implementations.  MS-Windows and non-MS-Windows
	instances of Emacs now ignore each others' locks.
	* filelock.c (defined_WINDOWSNT): New constant.
	(MAKE_LOCK_NAME, fill_in_lock_file_name):
	Don't create DIR/.#FILE.0 through DIR/.#FILE.9.  Instead, create
	DIR/.#FILE symlinks on non-MS-Windows hosts, and DIR/.#-FILE
	regular files on MS-Windows hosts.
	(MAKE_LOCK_NAME, unlock_file, Ffile_locked_p):
	Use SAFE_ALLOCA to avoid problems with long file names.
	(MAX_LFINFO): Now a local constant, not a global macro.
	(IS_LOCK_FILE): Remove.
	(lock_file_1): Don't inspect errno if symlink call succeeds;
	that's not portable.
	(lock_file): Document that this function can return if lock
	creation fails.
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	(lock_file): Don't access freed storage.
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2013-03-02  Andreas Schwab  <schwab@linux-m68k.org>

	* lisp.h (XPNTR) [!USE_LSB_TAG]: Remove extra paren.  (Bug#13734)

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2013-03-02  Paul Eggert  <eggert@cs.ucla.edu>

	* textprop.c: Use bool for booleans.
	(validate_interval_range, Fadd_text_properties)
	(Fremove_text_properties): Prefer bool to int when either works.

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2013-03-02  Eli Zaretskii  <eliz@gnu.org>

	* textprop.c (Fadd_text_properties, Fremove_text_properties): If
	the interval tree changes as a side effect of calling
	modify_region, re-do processing starting from the call to
	validate_interval_range.  (Bug#13743)

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2013-02-28  Eli Zaretskii  <eliz@gnu.org>
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	* w32.c (sys_open): Don't reset the flags for FD in fd_info[].
	(Bug#13546).

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2013-02-27  Eli Zaretskii  <eliz@gnu.org>

	* filelock.c (create_lock_file) [WINDOWSNT]: Use _sopen with
	_SH_DENYRW flag, instead of emacs_open, to deny any other process
	access to the lock file until it is written and closed.
	(Bug#13807)

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2013-02-27  Paul Eggert  <eggert@cs.ucla.edu>

	* callint.c (Qcall_interactively):
	* macros.c (Qexecute_kbd_macro):
	Now static.

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2013-02-26  Bastien Guerry  <bzg@gnu.org>

	* window.c (Frecenter): Tiny docstring enhancement.

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2013-02-26  Paul Eggert  <eggert@cs.ucla.edu>

	Minor textprop integer cleanup.
	* intervals.h, textprop.c (add_text_properties_from_list):
	Return void, not int, since nobody uses the return value.
	* textprop.c (validate_plist, add_properties, remove_properties)
	(Fadd_text_properties):
	Don't assume list length fits in int.
	(interval_has_all_properties, interval_has_some_properties)
	(interval_has_some_properties_list, add_properties, remove_properties)
	(Fadd_text_properties, Fremove_text_properties)
	(Fremove_list_of_text_properties, text_property_stickiness):
	Use bool for booleans.
	(Fadd_text_properties, Fremove_text_properties):
	(Fremove_list_of_text_properties):
	Reindent do-while as per GNU style.

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2013-02-25  Eli Zaretskii  <eliz@gnu.org>

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	Implement CLASH_DETECTION for MS-Windows.

	* filelock.c [WINDOWSNT]: Include w32.h.
	(MAKE_LOCK_NAME): Don't use 'lock', it clashes with MS runtime
	function of that name.  Up-case the macro arguments.
	(IS_LOCK_FILE): New macro.
	(fill_in_lock_file_name): Use IS_LOCK_FILE instead of S_ISLNK.
	(create_lock_file): New function, with body extracted from
	lock_file_1.
	[WINDOWSNT]: Implement lock files by writing a regular file with
	the lock information as its contents.
	(read_lock_data): New function, on Posix platforms just calls
	emacs_readlinkat.
	[WINDOWSNT]: Read the lock info from the file.
	(current_lock_owner): Call read_lock_data instead of calling
	emacs_readlinkat directly.
	(lock_file) [WINDOWSNT]: Run the file name through
	dostounix_filename.

	* w32proc.c (sys_kill): Support the case of SIG = 0, in which case
	just check if the process by that PID exists.

	* w32.c (sys_open): Don't reset the _O_CREAT flag if _O_EXCL is
	also present, as doing so will fail to error out if the file
	already exists.

	* makefile.w32-in ($(BLD)/filelock.$(O)): Depend on src/w32.h.

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	* textprop.c (Fadd_text_properties, Fremove_text_properties)
	(Fremove_list_of_text_properties): Skip all of the intervals in
	the region between START and END that already have resp. don't
	have the requested properties, not just the first one.  Add
	assertions that the loop afterwards always modifies the
	properties.  (Bug#13743)

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2013-02-25  Stefan Monnier  <monnier@iro.umontreal.ca>

	* callint.c (Fcall_interactively): Use the right lexical environment
	for `interactive' specs (bug#13811).
	* eval.c (Feval): Accept a lexical environment.

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2013-02-25  Paul Eggert  <eggert@cs.ucla.edu>

	Simplify data_start configuration (Bug#13783).
	This is a followon simplification to the fix for Bug#13650.
	* Makefile.in (LD_FIRSTFLAG, LIB_GCC, CRT_DIR, LIB_STANDARD)
	(START_FILES): Remove.  All uses removed.
	(otherobj): Remove $(VMLIMIT_OBJ), as it's now first.
	(ALLOBJS): Move here from autodeps.mk, and with VMLIMITS_OBJ first.
	(buildobj.h): Use it.
	($(ALLOBJS)): Depend on globals.h.
	(temacs$(EXEEXT)): Use $(ALLOBJS).
	* autodeps.mk (ALLOBJS): Move to Makefile.in.
	* deps.mk (vm-limit.o):
	* makefile.w32-in ($(BLD)/vm-limit.$(O)):
	Do not depend on mem-limits.h.
	* emacs.c (__do_global_ctors, __do_global_ctors_aux)
	(__do_global_dtors, __CTOR_LIST__, __DTOR_LIST__)
	[__GNUC__ && !ORDINARY_LINK]: Remove.
	* mem-limits.h, pre-crt0.c: Remove.
	* unexaix.c, unexcoff.c: Don't include mem-limits.h.
	* unexcoff.c (etext): New decl.
	(make_hdr): Use DATA_START instead of start_of_data.
	* vm-limit.c: Move most of mem-limits.h's contents here.
	(data_start): New decl.  It's OK if this is approximate,
	so simplify-away some unnecessary exactness.
	(POINTER): Remove; all uses removed.
	(data_space_start): Now char *, to avoid casts.
	(exceeds_lisp_ptr): New function, replacing the old
	EXCEEDS_LISP_PTR macro.  All uses changed.
	(check_memory_limits): Simplify and remove casts.
	(start_of_data) [!CANNOT_DUMP || !SYSTEM_MALLOC]: Remove.
	(memory_warnings): Use data_start instead of start_of_data.

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2013-02-24  Andreas Schwab  <schwab@linux-m68k.org>

	* xdisp.c (set_message): Only check for debug-on-message if STRING
	is a string.  (Bug#13797)

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2013-02-24  Paul Eggert  <eggert@cs.ucla.edu>

	Fix regression introduced by July 10 filelock.c patch.
	* filelock.c (fill_in_lock_file_name): Fix crash caused by the
	2012-07-10 patch to this file.  Reported by Eli Zaretskii in
	<http://lists.gnu.org/archive/html/emacs-devel/2013-02/msg00533.html>
	and diagnosed by Andreas Schwab in
	<http://lists.gnu.org/archive/html/emacs-devel/2013-02/msg00534.html>.

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2013-02-22  Paul Eggert  <eggert@cs.ucla.edu>

	Assume C89 or better.
	* ralloc.c (SIZE, POINTER, NIL):
	* vm-limit.c (POINTER):
	Remove, replacing all uses with C89 equivalents.  These old
	symbols were present only for porting to pre-C89 platforms.

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2013-02-22  Claudio Bley  <claudio.bley@gmail.com>

	* w32.c (emacs_gnutls_pull): Don't call 'select', and don't loop.
	This avoids warning messages reported as part of Bug#13546.

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2013-02-21  Ken Brown  <kbrown@cornell.edu>

	* sheap.c (report_sheap_usage): Fix arguments of message1_no_log.

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2013-02-20  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* sheap.c (report_sheap_usage): Prefer message1_nolog.

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	* keyboard.c (Qcommand_execute): New var.
	(command_loop_1, read_char): Use it.
	(Fcommand_execute): Remove, replace by an Elisp implementation.
	(syms_of_keyboard): Adjust accordingly.

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2013-02-19  Daniel Colascione <dancol@dancol.org>
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	* sheap.c (report_sheap_usage): Use message, not message1, so
	that we don't try to create a buffer while we're in the middle
	of dumping Emacs.  Explain why.
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2013-02-20  Dmitry Antipov  <dmantipov@yandex.ru>
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	* search.c (find_newline): Return byte position in bytepos.
	Adjust comment.
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	(find_next_newline_no_quit, find_before_next_newline):
	Add bytepos argument.
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	* lisp.h (find_newline, find_next_newline_no_quit)
	(find_before_next_newline): Adjust prototypes.
	* bidi.c (bidi_find_paragraph_start):
	* editfns.c (Fconstrain_to_field, Fline_end_position):
	* indent.c (compute_motion, vmotion):
	* xdisp.c (back_to_previous_line_start, forward_to_next_line_start):
	(get_visually_first_element, move_it_vertically_backward):
	Adjust users and avoid calls to CHAR_TO_BYTE where appropriate.

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2013-02-19  Eli Zaretskii  <eliz@gnu.org>
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	* w32proc.c (new_child): Avoid leaking handles if the subprocess
	resources were not orderly released.

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2013-02-17  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (x_draw_vertical_border): For a window that is neither
	the leftmost nor the rightmost, redraw both the left and the right
	vertical borders.  (Bug#13723)

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2013-02-17  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xml.c (init_libxml2_functions):
	* sound.c (sound_warning):
	* sheap.c (report_sheap_usage):
	* process.c (wait_reading_process_output):
	* msdos.c (XMenuActivate):
	* macros.c (Fstart_kbd_macro, Fend_kbd_macro):
	* keyboard.c (top_level_1):
	* editfns.c (Fmessage, Fmessage_box):
	* callint.c (Fcall_interactively):
	* fns.c (Fyes_or_no_p): Prefer `message1' over `message'.

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2013-02-17  Jan Djärv  <jan.h.d@swipnet.se>

	* xterm.c (syms_of_xterm): Move scroll-bar-adjust-thumb-portion ...
	* frame.c (syms_of_frame): ... to here.

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2013-02-16  Eli Zaretskii  <eliz@gnu.org>

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	* w32.c (sys_chown): Remove unused function.

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	* w32term.c <input_signal_count>: Declare 'volatile'
	unconditionally.  (Bug#9066)

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	* w32.c (set_errno): Reset h_errno and don't set it to any other
	value.  Set errno instead.
	(check_errno): Reset h_errno.
	(sys_socket, socket_to_fd, sys_bind, sys_connect)
	(sys_gethostname, sys_getservbyname, sys_getpeername)
	(sys_shutdown, sys_setsockopt, sys_listen, sys_getsockname)
	(sys_accept, sys_recvfrom, sys_sendto, fcntl, sys_read): Don't set
	h_errno.
	(sys_gethostbyname): Set h_errno only errors detected.

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2013-02-15  Paul Eggert  <eggert@cs.ucla.edu>

	* process.c (h_errno) [!HAVE_H_ERRNO]: Remove unused decl.

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	* keyboard.c (read_char): Fix calculation of auto-save time out
	when auto-save-timeout is less than 4.  (Bug#13720)

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	* w32proc.c (new_child): Free up to 2 slots of dead processes at a
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	time.  Improve diagnostics in DebPrint.  (Bug#13546)
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	* w32.c (sys_socket, sys_bind, sys_connect, sys_gethostname)
	(sys_gethostbyname, sys_getservbyname, sys_getpeername)
	(sys_shutdown, sys_setsockopt, sys_listen, sys_getsockname)
	(sys_accept, sys_recvfrom, sys_sendto, fcntl): In case of failure,
	make sure errno is set to an appropriate value.  (Bug#13546)
	(socket_to_fd): Add assertion against indexing fd_info[] with a
	value that is out of bounds.
	(sys_accept): If fd is negative, do not set up the child_process
	structure for reading.

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2013-02-15  Dmitry Antipov  <dmantipov@yandex.ru>

	* composite.c (fill_gstring_header): Remove useless prototype.
	Break long line.
	* lisp.h (message_dolog, compile_pattern): Adjust prototype.
	* print.c (PRINTDECLARE, print_object):
	* search.c (compile_pattern, fast_looking_at, search_buffer):
	(simple_search, boyer_moore, Freplace_match):
	* xdisp.c (c_string_pos, number_of_chars, message_dolog):
	(get_overlay_arrow_glyph_row, display_mode_element):
	(decode_mode_spec_coding, message3):
	* xfaces.c (face_at_string_position): Use bool for booleans.
	Adjust comments.

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2013-02-15  Paul Eggert  <eggert@cs.ucla.edu>
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	Fix AIX port (Bug#13650).
	* lisp.h (XPNTR) [!USE_LSB_TAG && DATA_SEG_BITS]:
	Fix bug introduced in 2012-07-27 change.  DATA_SEG_BITS, if set,
	was #undeffed earlier, so it cannot be used as a macro here.
	Use the constant and not the macro.

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	* w32proc.c (new_child): If no vacant slots are found in
	child_procs[], make another pass looking for slots whose process
	has exited or died.  (Bug#13546)

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	* w32.c (sys_pipe): When failing due to file descriptors above
	MAXDESC, set errno to EMFILE.
	(_sys_read_ahead): Update cp->status when failing to read serial
	communications input, so that the status doesn't stay at
	STATUS_READ_IN_PROGRESS.  (Bug#13546)

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2013-02-14  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (tb_size_cb): New function.
	(xg_create_tool_bar): Connect size-allocate to tb_size_cb (Bug#13512).

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2013-02-14  Stefan Monnier  <monnier@iro.umontreal.ca>

	* keyboard.c (active_maps): Fcurrent_active_maps expects a position, not
	an event.

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2013-02-13  Stefan Monnier  <monnier@iro.umontreal.ca>

	* keyboard.c (syms_of_keyboard): Further tweaks of docstring.

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2013-02-13  Dmitry Antipov  <dmantipov@yandex.ru>

	* font.c (font_range): Add pos_byte argument.  Adjust comment
	and break long line.
	* font.h (font_range): Adjust prototype.
	* composite.c (autocmp_chars): Pass byte position to font_range.
	Break long line.  Remove useless prototype and format comment.

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2013-02-13  Glenn Morris  <rgm@gnu.org>

	* keyboard.c (input-decode-map, key-translation-map): Doc fixes.

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2013-02-13  Paul Eggert  <eggert@cs.ucla.edu>
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	Improve AIX port some more (Bug#13650).
	With this, it should be as good as it was in 23.3, though it's
	still pretty bad: the dumped emacs does not run.  See Mark Fleishman in
	http://lists.gnu.org/archive/html/help-gnu-emacs/2011-04/msg00287.html
	* unexaix.c (start_of_text): Remove.
	(_data, _text): Declare as char[], not int, as AIX manual suggests.
	(bias, lnnoptr, text_scnptr, data_scnptr, load_scnptr)
	(orig_load_scnptr, orig_data_scnptr):
	Now off_t, not long, since they are file offsets.
	(make_hdr): Use _data, not start_of_data ().
	This is the key part of the fix.
	(make_hdr, unrelocate_symbols): Use off_t for file offsets.
	(unrelocate_symbols): Cast pointers to intptr_t, not to ulong.

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	* pre-crt0.c (data_start): Initialize to 1.
	This ports to compilers that optimize the external declaration
	'int x = 0;' as if it were 'int x;' to shrink the executable.

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	Improve AIX port (Bug#13650).
	This doesn't fix the bug, but it makes progress: Emacs builds now.
	* unexaix.c: Include inttypes.h, stdarg.h.
	(report_error, report_error_1): Mark as _Noreturn.
	(report_error): Don't report the wrong errno.
	(report_error_1): Now varargs.  All callers changed.
	(make_hdr): Use uintptr_t, not unsigned, when converting pointers
	to unsigned.  Don't use ADDR_CORRECT, as it no longer exists.
	(write_ptr): Use %p to print address rather than %lx and a cast
	to unsigned long.  Grow buffer a bit, to be safer.

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2013-02-13  Eli Zaretskii  <eliz@gnu.org>
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	* bidi.c (bidi_resolve_neutral): After finding the next
	non-neutral character, accept NEUTRAL_ON type as well, because
	directional control characters, such as LRE and RLE, have their
	type converted to that by bidi_resolve_weak.  This avoids aborts
	when LRE/RLE follows a run of neutrals.
	(bidi_move_to_visually_next): Assert that return value of
	bidi_peek_at_next_level is non-negative.  Negative values will
	cause an infloop.

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2013-02-13  Paul Eggert  <eggert@cs.ucla.edu>

	Minor getenv-related fixes.
	* callproc.c (Fcall_process_region) [!DOS_NT]:
	Avoid unnecessary duplicate call to getenv.
	* callproc.c (init_callproc):
	* dispnew.c (init_display):
	* sysdep.c (sys_subshell):
	Omit unnecessary cast of getenv or egetenv.

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2013-02-13  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/filelock.$(O), $(BLD)/sysdep.$(O)):
	Update dependencies.

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2013-02-12  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (redisplay_internal): Don't set w->region_showing to the
	marker's position.
	(display_line): Set w->region_showing to the value of
	it->region_beg_charpos, not to -1.  This fixes redisplay
	optimization when cursor is moved up after M->.  (Bug#13623)
	(Bug#13626)
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	(try_scrolling): Scroll text up more if point is too close to ZV
	and inside the scroll margin.  This makes sure point is moved
	outside the scroll margin in these cases.
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	* window.h (struct window): region_showing can no longer be
	negative.

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2013-02-11  Paul Eggert  <eggert@cs.ucla.edu>

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	Tune by using memchr and memrchr.
	* doc.c (Fsnarf_documentation):
	* fileio.c (Fsubstitute_in_file_name):
	* search.c (find_newline, scan_newline):
	* xdisp.c (pos_visible_p, display_count_lines):
	Use memchr and memrchr rather than scanning byte-by-byte.
	* search.c (find_newline): Rename from scan_buffer.
	Omit first arg TARGET, as it's always '\n'.  All callers changed.

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	Clean up read_key_sequence a tiny bit more.
	* keyboard.c (read_char_x_menu_prompt) [HAVE_MENUS]:
	(read_key_sequence): Remove unused locals.

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2013-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>

	Clean up read_key_sequence a bit; reread active keymaps after first event.
	* keyboard.c (read_char, read_char_x_menu_prompt)
	(read_char_minibuf_menu_prompt):
	Replace nmaps+maps with a single `map' arg.
	(follow_key): Operate on a single map.
	(active_maps): New function.
	(test_undefined): Also return true for nil bindings.
	(read_key_sequence): Use active_maps to replace the arrays of keymaps with
	a single (composed) keymap.  Remember `first_event' to choose the right
	set of active keymaps.  Recompute the set of keymaps after receiving
	the first event.  Remove GOBBLE_FIRST_EVENT.
	(syms_of_keyboard): Remove inhibit_local_menu_bar_menus.
	* keyboard.h (read_char): Update declaration.
	* lread.c (read_filtered_event): Adjust call to read_char.

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2013-02-11  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (move_it_vertically_backward, move_it_by_lines):
	Don't use the limitation on backwards movement when lines are truncated
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	in the window.  (Bug#13675)

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2013-02-11  Dmitry Antipov  <dmantipov@yandex.ru>

	* marker.c (set_marker_internal): If desired position is passed
	as a marker, avoid call to buf_charpos_to_bytepos.
	* window.c (Fset_window_point): Omit redundant type checking.
	(Fset_window_start): Likewise.  Format comment.
	(window_scroll_pixel_based): Use set_marker_restricted_both
	with character and byte positions obtained from an iterator.
	(Fset_window_configuration): Use set_marker_restricted_both.
	* xdisp.c (message_dolog): Likewise.

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	* xdisp.c (move_it_vertically_backward, move_it_by_lines):
	When text lines are longer than window's screen lines, don't move back
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	too far.  This speeds up some redisplay operations.  (Bug#13675)

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2013-02-10  Dmitry Antipov  <dmantipov@yandex.ru>

	* syntax.c (scan_sexps_forward): Fix byte position calculation
	Bug#13664 (a.k.a Bug#13667) introduced with 2013-02-08 change.

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2013-02-10  Paul Eggert  <eggert@cs.ucla.edu>

	* fileio.c (Fexpand_file_name): Omit confusing pointer comparison
	that was not needed.

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2013-02-09  Paul Eggert  <eggert@cs.ucla.edu>

	Minor hashing refactoring.
	* fns.c (SXHASH_REDUCE): Move to lisp.h.
	(sxhash_float): Return EMACS_UINT, for consistency with the other
	hash functions.
	* lisp.h (INTMASK): Now a macro, since SXHASH_REDUCE is now a
	non-static inline function and therefore can't use static vars.
	(SXHASH_REDUCE): Move here from fns.c, and make it inline.
	* profiler.c (hashfn_profiler): Use SXHASH_REDUCE, to be consistent
	with the other hash functions.

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2013-02-09  Eli Zaretskii  <eliz@gnu.org>

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	* callproc.c (Fcall_process_region) [WINDOWSNT]: Make sure the
	XXXXXX part of the temporary file pattern is not downcased even
	when w32-downcase-file-names is non-nil.  (Bug#13661)
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	* xdisp.c (decode_mode_spec): Remove handling of %t.

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	* msdos.c (careadlinkatcwd): Remove.

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2013-02-08  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lread.c (skip_dyn_bytes): New function (bug#12598).
	(read1): Use it.  Use getc instead of READCHAR to read bytes.
	(load_each_byte): Remove.  Update users.

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2013-02-08  Dmitry Antipov  <dmantipov@yandex.ru>

	* search.c (scan_buffer): Calculate end byte position just once.
	(scan_newline): Do not recalculate start_byte.
	(search_command): Use eassert.
	* syntax.c (struct lisp_parse_state): New member location_byte.
	(scan_sexps_forward): Record from_byte and avoid redundant
	character to byte position calculation ...
	(Fparse_partial_sexp): ... here.  Break too long line.

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2013-02-08  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (make_uninit_vector): New function.
	* alloc.c (Fvector, Fmake_byte_code):
	* ccl.c (Fregister_ccl_program):
	* charset.c (Fdefine_charset_internal, define_charset_internal):
	* coding.c (make_subsidiaries, Fdefine_coding_system_internal):
	* composite.c (syms_of_composite):
	* font.c (Fquery_font, Ffont_info, syms_of_font):
	* fontset.c (FONT_DEF_NEW, Fset_fontset_font):
	* ftfont.c (ftfont_shape_by_flt):
	* indent.c (recompute_width_table):
	* nsselect.m (clean_local_selection_data):
	* syntax.c (init_syntax_once):
	* w32unsubscribe.c (uniscribe_shape):
	* window.c (Fcurrent_window_configuration):
	* xfaces.c (Fx_family_fonts):
	* xselect.c (selection_data_to_lisp_data): Use it.

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2013-02-07  Dmitry Antipov  <dmantipov@yandex.ru>

	* coding.c (Fdefine_coding_system_internal): Use AREF where
	argument is known to be a vector.
	* fns.c (Flocale_info): Likewise for ASET.
	* xselect.c (selection_data_to_lisp_data): Likewise for ASET.
	* w32fns.c (w32_parse_hot_key): Likewise for ASIZE and AREF.

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2013-02-05  Jan Djärv  <jan.h.d@swipnet.se>

	* nsmenu.m (update_frame_tool_bar): Check for negative tool bar
	height.

	* nsterm.h (HAVE_NATIVE_FS): Define if OSX => 10.7.
	(EmacsView): Add fs_is_native, fsIsNative, isFullscreen and
	updateCollectionBehaviour.

	* nsterm.m (NEW_STYLE_FS): Remove.
	(ns_last_use_native_fullscreen): New variable.
	(x_make_frame_visible): Replace NEW_STYLE_FS with isFullscreen.
	(x_set_window_size): Do not take title bar and tool bar into account
	if isFullscreen returns YES.
	(ns_fullscreen_hook): Replace NEW_STYLE_FS with isFullscreen.
	(check_native_fs): New function.
	(ns_select, ns_read_socket): Call check_native_fs if HAVE_NATIVE_FS.
	(ns_term_init): Remove NEW_STYLE_FS.
	(updateFrameSize:, windowWillResize:toSize:): Only adjust for title bar
	and tool bar if isFullscreen returns NO.
	(windowDidResize:): Replace NEW_STYLE_FS with fsIsNative.
	(initFrameFromEmacs:): Initialize fs_is_native.  Replace NEW_STYLE_FS
	with HAVE_NATIVE_FS.
	(window:willUseFullScreenPresentationOptions:): New method.
	(windowDidEnterFullScreen:): Replace NEW_STYLE_FS with fsIsNative.
	Hide toolbar if not enabled (Bug#13444).
	(windowDidExitFullScreen:): Call updateCollectionBehaviour.
	Restore tool bar if enabled, hide it otherwise (Bug#13444).
	(fsIsNative, isFullscreen, updateCollectionBehaviour): New methods.
	(toggleFullScreen:): If fs_is_native, call toggleFullScreen on
	window.  Do no set FRAME_EXTERNAL_TOOL_BAR (f) to 0.
	Check FRAME_EXTERNAL_TOOL_BAR (f) before restoring
	FRAME_TOOLBAR_HEIGHT (f).  Call updateFrameSize when going non-fs.
	(syms_of_nsterm): Add ns-use-native-fullscreen.

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2013-02-04  Paul Eggert  <eggert@cs.ucla.edu>

	* fileio.c (Qchoose_write_coding_system): Now static.

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2013-02-04  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (window_buffer_changed): region_showing can be negative,
	which still means region is being displayed.
	(redisplay_internal): Resurrect code that forced redisplay of the
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	whole window when showing region and the mark has changed.
	Record the new mark position to allow redisplay optimizations.
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	(display_line): If it->region_beg_charpos is non-zero, set the
	window's region_showing member to -1.  (Bug#13623)  (Bug#13626)

	* window.h (struct window) <region_showing>: Declare ptrdiff_t,
	not bitfield of 1 bit.

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2013-02-03  Daniel Colascione  <dancol@dancol.org>

	* emacs.c: Use execvp, not execv, when DAEMON_MUST_EXEC, so that
	daemon mode works on cygw32 when Emacs is installed and not just
	during development.

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2013-02-02  Paul Eggert  <eggert@cs.ucla.edu>

	Avoid file time stamp bug on MS-Windows (Bug#13149).
	* fileio.c (Fwrite_region): Don't use the heuristic on empty files,
	as FAT32 doesn't update time stamps when truncating them.
	Also, check that a file time stamp is not a multiple of 100 ns;
	this should catch all instances of the problem on MS-Windows,
	as its native file system resolution is 100 ns or worse, and
	checking for a non-multiple of 100 ns should impose only a small
	overhead on systems with ns resolution.

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	Avoid encoding file names on MS-Windows when they need to be run
	through dostounix_filename.
	* w32.c (normalize_filename): Accept an additional argument
	MULTIBYTE; if non-zero, traverse the file name by bytes and don't
	downcase it even if w32-downcase-file-names is non-nil.
	(dostounix_filename): Accept an additional argument MULTIBYTE and
	pass it to normalize_filename.
	(emacs_root_dir): Adjust.

	* msdos.h (dostounix_filename): Adjust prototype.

	* w32.h (dostounix_filename): Adjust prototype.

	* msdos.c (dostounix_filename): Accept an additional argument and
	ignore it.
	(init_environment): Adjust callers of dostounix_filename.

	* fileio.c (Ffile_name_directory, file_name_as_directory)
	(directory_file_name, Fexpand_file_name)
	(Fsubstitute_in_file_name): [DOS_NT] Adjust call to
	dostounix_filename.
	[WINDOWSNT]: Downcase file names if w32-downcase-file-names is
	non-nil.
	(Fsubstitute_in_file_name): [DOS_NT] Don't downcase environment
	variables, as egetenv is case-insensitive for DOS_NT.

	* dired.c (file_name_completion): Don't call Fdirectory_file_name
	with an encoded file name.

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	* w32proc.c (Fw32_short_file_name, Fw32_long_file_name):
	Adjust calls to dostounix_filename.
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	* w32fns.c (Fx_file_dialog): Adjust call to dostounix_filename.

	* unexw32.c (unexec): Adjust call to dostounix_filename.

	* termcap.c (tgetent) [MSDOS]: Adjust call to dostounix_filename.

	* emacs.c (decode_env_path) [DOS_NT]: Adjust call to
	dostounix_filename.

	* callproc.c (Fcall_process) [MSDOS]: Adjust call to
	dostounix_filename.

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	* callproc.c (Fcall_process): Make sure program name in PATH and
	new_argv[0] is encoded, if needed.  Otherwise, un-encoded string
	is passed to exec/spawnve, which fails unless the file-name
	encoding is UTF-8.

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	* w32proc.c (sys_spawnve): Make sure escape_char is initialized,
	even if w32-quote-process-args is nil.

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2013-02-01  Paul Eggert  <eggert@cs.ucla.edu>

	Fix timestamp bug when write-region appends nothing (Bug#13149).
	* fileio.c (Fwrite_region): When neither O_EXCL nor O_TRUNC is used,
	the file's time stamp doesn't change if Emacs happens to write nothing
	to the file, and on a buggy file system this could cause Emacs to
	incorrectly infer that the file system doesn't have the bug.
	Avoid this problem by inhibiting the inference in this case.

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2013-02-01  Dmitry Antipov  <dmantipov@yandex.ru>

	* window.h (struct window): Convert base_line_number, base_line_pos
	and column_number_displayed members from Lisp_Object to ptrdiff_t.
	Convert region_showing member from Lisp_Object to bitfield.
	Remove sequence_number member.  Adjust comments.
	* window.c (sequence_number): Remove.
	(make_window): Initialize column_number_displayed.
	* print.c (print_object): Follow the printed representation of
	frames and print window pointer to distinguish between windows.
	(adjust_window_count): Invalidate base_line_pos.  Adjust comment.
	* xdisp.c (wset_base_line_number, wset_base_line_pos)
	(wset_column_number_displayed, wset_region_showing): Remove.
	(window_buffer_changed, mode_line_update_needed, redisplay_internal)
	(try_scrolling, try_cursor_movement, redisplay_window)
	(try_window_reusing_current_matrix, try_window_id, display_line)
	(display_mode_lines, decode_mode_spec): Adjust users.
	* .gdbinit (pwinx): Do not print sequence_number.

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2013-02-01  Paul Eggert  <eggert@cs.ucla.edu>

	Use fdopendir, fstatat and readlinkat, for efficiency (Bug#13539).
	* conf_post.h (GNULIB_SUPPORT_ONLY_AT_FDCWD): Remove.
	* dired.c: Include <fcntl.h>.
	(open_directory): New function, which uses open and fdopendir
	rather than opendir.  DOS_NT platforms still use opendir, though.
	(directory_files_internal, file_name_completion): Use it.
	(file_attributes): New function, with most of the old Ffile_attributes.
	(directory_files_internal, Ffile_attributes): Use it.
	(file_attributes, file_name_completion_stat): First arg is now fd,
	not dir name.  All uses changed.  Use fstatat rather than lstat +
	stat.
	(file_attributes): Use emacs_readlinkat rather than Ffile_symlink_p.
	* fileio.c: Include <allocator.h>, <careadlinkat.h>.
	(emacs_readlinkat): New function, with much of the old
	Ffile_symlink_p, but with an fd argument for speed.
	It uses readlinkat rather than careadlinkatcwd, so that it
	need not assume the working directory.
	(Ffile_symlink_p): Use it.
	* filelock.c (current_lock_owner): Use emacs_readlinkat
	rather than emacs_readlink.
	* lisp.h (emacs_readlinkat): New decl.
	(READLINK_BUFSIZE, emacs_readlink): Remove.
	* sysdep.c: Do not include <allocator.h>, <careadlinkat.h>.
	(emacs_norealloc_allocator, emacs_readlink): Remove.
	This stuff is moved to fileio.c.
	* w32.c (fstatat, readlinkat): New functions.
	(careadlinkat): Don't check that fd == AT_FDCWD.
	(careadlinkatcwd): Remove; no longer needed.

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2013-01-31  Glenn Morris  <rgm@gnu.org>

	* fileio.c (choose_write_coding_system): Make it callable from Lisp.
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	(Fwrite_region): Update for new choose_write_coding_system args.
	Move the last piece of choose_write_coding_system here.  (Bug#13522)
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	(syms_of_fileio): Add choose-write-coding-system.

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2013-01-30  Eli Zaretskii  <eliz@gnu.org>
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	* w32.c (sys_open): Zero out the flags for the new file descriptor.
	(sys_close): Zero out the flags for the file descriptor before
	closing it.  (Bug#13546)

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	* w32.c (parse_root, get_volume_info, readdir, read_unc_volume)
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	(logon_network_drive, stat_worker, symlink, chase_symlinks):
	Use CharNextExA and CharPrevExA to iterate over file names encoded in
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	DBCS.  (Bug#13553)

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	* w32.c (w32_get_long_filename, init_environment, readlink):
	Support file names encoded in DBCS codepages.
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	(readlink): Use the current file-name-coding-system, not the ANSI
	codepage, to decode and handle targets of symlinks.
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2013-01-28  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (opendir): Now accepts a 'const char *'.

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2013-01-28  Dmitry Antipov  <dmantipov@yandex.ru>

	Remove obsolete redisplay code.  See the discussion at
	http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00576.html.
	* dispnew.c (preemption_period, preemption_next_check): Remove.
	(Vredisplay_preemption_period): Likewise.
	(update_frame, update_single_window, update_window, update_frame_1):
	Adjust users.  Always assume that PERIODIC_PREEMPTION_CHECKING is not
	used, following the 2012-06-22 change.

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2013-01-25  Eli Zaretskii  <eliz@gnu.org>

	* w32notify.c (Fw32notify_add_watch): Doc fix.  (Bug#13540)

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2013-01-25  Dmitry Antipov  <dmantipov@yandex.ru>

	* font.c (num_fonts): Remove the leftover from old
	debugging code.  Adjust comment style here and there.
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	* insdel.c (insert_1): Remove.
	* lisp.h (insert_1): Remove prototype.
	* xdisp.c (message_dolog): Adjust users to call insert_1_both.
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	* w32.c (max_filename_mbslen): New function.
	(normalize_filename, readdir): Use it to detect locales where ANSI
	encoding of file names uses a double-byte character set (DBCS).
	If a DBCS encoding is used, advance by characters using
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	CharNextExA, instead of incrementing a 'char *' pointer.
	Use _mbslwr instead of _strlwr.  (Bug#13515)
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	* w32heap.c (allocate_heap) [!_WIN64]: Decrease the initial
	request of memory reservation to 1.7GB.  (Bug#13065)

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2013-01-25  Andreas Schwab  <schwab@linux-m68k.org>
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	* coding.c (detect_coding_iso_2022): Move back mis-reordered code
	at check_extra_latin label.  (Bug#13505)

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2013-01-24  Dmitry Antipov  <dmantipov@yandex.ru>

	* nsfont.m (ns_escape_name, ns_unescape_name, ns_registry_to_script):
	Avoid redundant calls to strlen.

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2013-01-24  Dmitry Antipov  <dmantipov@yandex.ru>

	Drop async_visible and async_iconified fields of struct frame.
	This is possible because async input is gone; for details, see
	http://lists.gnu.org/archive/html/emacs-devel/2012-12/msg00734.html.
	* frame.h (struct frame): Remove async_visible and async_iconified
	members, convert garbaged to unsigned bitfield.  Adjust comments.
	(FRAME_SAMPLE_VISIBILITY): Remove.  Adjust all users.
	(SET_FRAME_VISIBLE, SET_FRAME_ICONIFIED): New macros.
	* frame.c, gtkutil.c, term.c, w32fns.c, window.c, xdisp.c:
	Consistently use SET_FRAME_VISIBLE, SET_FRAME_ICONIFIED,
	FRAME_VISIBLE_P and FRAME_ICONIFIED_P macros where appropriate.
	* w32term.c: Ditto.
	(w32_read_socket): Save iconified state to generate DEICONIFY_EVENT
	properly.  Likewise for obscured.
	* xterm.c: Ditto.
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	(handle_one_xevent): Save visible state to generate ICONIFY_EVENT
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	properly.
	* nsterm.m: Ditto.
	(windowDidDeminiaturize): Generate DEICONIFY_EVENT.

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2013-01-24  Dmitry Antipov  <dmantipov@yandex.ru>

	* insdel.c (prepare_to_modify_buffer): Revert last change as suggested
	in http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00555.html.

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2013-01-23  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xdisp.c (message2, message2_nolog): Remove functions.
	(message3, message3_nolog): Extract nbytes and multibyteness directly
	from the string.  Change all callers.
	(message3_nolog): Don't set message_enable_multibyte since set_message
	will reset it anyway.
	(message1, message1_nolog): Use message3.
	(vmessage): Use a stack allocated buffer rather than f->message_buf.
	(with_echo_area_buffer): Remove last two arguments.  Update all callers.
	(set_message): Drop all but the second arg, which has to be a string.
	(set_message_1): Simplify now that we know that a1 is NULL and the
	second arg is a string.
	* frame.h (struct frame): Remove `message_buf' field.
	Use glyphs_initialized_p instead.
	(FRAME_MESSAGE_BUF): Remove macro.
	* w16select.c (Fw16_set_clipboard_data): Prefer message3 to message2.
	* lisp.h (message2, message2_nolog): Remove declarations.
	(message3, message3_nolog): Update declarations.
	* keyboard.c (read_char_minibuf_menu_text)
	(read_char_minibuf_menu_width): Remove vars.
	(read_char_minibuf_menu_prompt): Rewrite the menu's construction so as
	to correctly handle multibyte strings.
	* frame.c (delete_frame): Don't free message_buf any more.
	* editfns.c (message_text, message_length): Remove vars.
	(Fmessage_box): Don't copy the Lisp string's bytes any longer.
	* fileio.c (auto_save_error): Use message3 instead of message2.
	* dispnew.c (adjust_frame_message_buffer): Remove function.

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2013-01-23  Eli Zaretskii  <eliz@gnu.org>

	* w32term.c (w32fullscreen_hook): Account correctly for the screen
	real estate used for the tool bar and the menu bar.

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2013-01-23  Dmitry Antipov  <dmantipov@yandex.ru>

	* insdel.c (prepare_to_modify_buffer): Force redisplay if
	hidden buffer is prepared to modification (Bug#13164).

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2013-01-22  Dmitry Antipov  <dmantipov@yandex.ru>

	* window.h (struct window): Change window_end_valid member from
	Lisp_Object to a bitfield.  Adjust comments.
	(wset_window_end_valid): Remove.
	* window.c (adjust_window_count): Clear window_end_valid.
	(Fwindow_end): Adjust user.  Remove ancient #if 0 code.
	(Fwindow_line_height, set_window_buffer, Frecenter)
	(Fsplit_window_internal, Fdelete_other_windows_internal)
	(Fset_window_fringes, Fset_window_scroll_bars): Adjust users.
	* dispnew.c (adjust_glyph_matrix, clear_window_matrices): Likewise.
	* xdisp.c (check_window_end, reconsider_clip_changes)
	(redisplay_internal, mark_window_display_accurate_1, redisplay_window)
	(try_window, try_window_reusing_current_matrix, note_mouse_highlight)
	(find_first_unchanged_at_end_row, try_window_id): Likewise.

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2013-01-22  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (mark_window_display_accurate): Simplify the loop
	assuming that the only one of vchild, hchild or buffer window
	slots is non-nil.  Call mark_window_display_accurate_1 for
	the leaf windows only.
	(mark_window_display_accurate_1): Always assume leaf window.
	Adjust comment.

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2013-01-22  Paul Eggert  <eggert@cs.ucla.edu>

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	* emacs.c (Qkill_emacs_hook): Now static.

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	* fileio.c (Finsert_file_contents): Simplify.
	Remove unnecessary assignments and tests.

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2013-01-21  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (acl_set_file): Don't test for errors unless
	set_file_security returns FALSE.  Avoids spurious errors when
	saving files.

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2013-01-21  Dmitry Antipov  <dmantipov@yandex.ru>

	* fileio.c (Finsert_file_contents): Revert code introduced at
	2013-01-18 in favor of the simpler and generally better fix.
	Save stack space by removing 'buffer' and reusing 'read_buf'
	where appropriate.

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2013-01-19  Paul Eggert  <eggert@cs.ucla.edu>

	* lisp.h (eabs): Define unconditionally (Bug#13419).
	The old "#if !defined (eabs)" was an unnecessary revenant of back
	when this macro was called "abs".  Document 'eabs' better.

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2013-01-19  Glenn Morris  <rgm@gnu.org>
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	* fns.c (Frandom): Doc fix.

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2013-01-19  Eli Zaretskii  <eliz@gnu.org>

	* editfns.c (get_pos_property): Use SAFE_ALLOCA_LISP, to avoid
	segfault when there are lots of overlays.

	* buffer.c (sort_overlays): Use SAFE_NALLOCA, to avoid segfault
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	when there are lots of overlays.
	See http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00421.html
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	for the details and a way to reproduce.

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2013-01-19  Paul Eggert  <eggert@cs.ucla.edu>

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	* fileio.c: Use O_APPEND to append.
	This corresponds better to the natural interpretation of "append",
	and avoids the need to open the output file twice, or to invoke
	lseek when APPEND is neither nil nor a number.
	This relies on POSIX 1003.1-1988 or later, which is OK nowadays.
	(Fwrite_region): Simplify.  Use O_APPEND instead of opening the
	file possibly twice, and lseeking to its end; this avoids the
	need to lseek on non-regular files.  Do not use O_EXCL and O_TRUNC
	at the same time: the combination is never needed and apparently
	it doesn't work with DOS_NT.

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	Fix size bug on DOS_NT introduced by CIFS workaround (Bug#13149).
	* fileio.c (Fwrite_region): Use O_BINARY in checking code, too.

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	Allow floating-point file offsets.
	Problem reported by Vitalie Spinu in
	<http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00411.html>.
	* fileio.c (emacs_lseek): Remove.
	(file_offset): New function.
	(Finsert_file_contents, Fwrite_region): Use it.

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2013-01-19  Chong Yidong  <cyd@gnu.org>

	* emacs.c (Fkill_emacs): Set waiting_for_input to 0 to avoid
	aborting on Fsignal (Bug#13289).

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2013-01-19  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (acl_set_file): Treat ERROR_ACCESS_DENIED from
	set_file_security as failure due to insufficient privileges.
	Reported by Fabrice Popineau <fabrice.popineau@supelec.fr>.
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	(fstat): Return owner and group like 'stat' and 'lstat' do.
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2013-01-19  Paul Eggert  <eggert@cs.ucla.edu>

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	Work around bug in CIFS and vboxsf file systems (Bug#13149).
	The bug was observed on Ubuntu operating inside a virtual machine,
	editing files mounted via CIFS or vboxsf from the MS Windows 7 host.
	The workaround introduces a race condition on non-buggy hosts,
	but it's an unlikely race and anyway there's a nearly identical
	nearby race that can't be fixed.
	* fileio.c (valid_timestamp_file_system, timestamp_file_system):
	New static vars.
	(Fwrite_region): Test for file system time stamp bug.
	(init_fileio): New function.
	* lisp.h (init_fileio): Declare it.
	* emacs.c (main): Call it.

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	* fileio.c (Finsert_file_contents): Simplify new diagnostic
	and make it more consistent with other stat-failure diagnostics.

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2013-01-18  Dmitry Antipov  <dmantipov@yandex.ru>

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	Fix crash when inserting data from non-regular files.
	See http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00406.html
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	for the error description produced by valgrind.
	* fileio.c (read_non_regular): Rename to read_contents.
	Free Lisp_Save_Value object used to pass parameters.
	(read_non_regular_quit): Rename to read_contents_quit.
	(Finsert_file_contents): Redesign internal file reading loop to adjust
	gap and end positions after each read and so help make_gap to work
	properly.  Do not signal an I/O error too early and so do not leave
	not yet decoded characters in a buffer, which was the reason of
	redisplay crash.  Use list2 to build return value.  Adjust comments.

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2013-01-17  Paul Eggert  <eggert@cs.ucla.edu>

	Close a race when statting and reading files (Bug#13149).
	* fileio.c (Finsert_file_contents): Use open+fstat, not stat+open.
	This avoids a race if the file is renamed between stat and open.
	This race is not the problem originally noted in Bug#13149;
	see <http://bugs.gnu.org/13149#73> and later messages in the thread.

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2013-01-17  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (toplevel): Add comment about using Lisp_Save_Value
	objects, related functions and macros.
	(make_save_value): Adjust prototype.
	(make_save_pointer): New prototype.
	(SAFE_NALLOCA): Fix indentation.  Use make_save_pointer.
	(SAFE_ALLOCA_LISP): Adjust make_save_value usage.
	* alloc.c (format_save_value): Rename to make_save_value.
	(make_save_pointer): New function.
	(record_xmalloc): Use make_save_pointer.
	* dired.c, editfns.c, fileio.c, font.c, gtkutil.c, lread.c:
	* nsmenu.m, nsterm.m, xfns.c, xmenu.c, xselect.c, keymap.c:
	Change users of make_save_value to make_save_pointer.
	Likewise for format_save_value and make_save_value.

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2013-01-17  Dmitry Antipov  <dmantipov@yandex.ru>

	* buffer.h (NARROWED, BUF_NARROWED): Drop unused macros.
	(DECODE_POSITION, BUFFER_CHECK_INDIRECTION): Fix indentation.
	* buffer.c (toplevel, syms_of_buffer): Drop old commented-out
	debugging stubs.

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2013-01-15  Paul Eggert  <eggert@cs.ucla.edu>

	* alloc.c (free_save_value): Now static.

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2013-01-15  Dmitry Antipov  <dmantipov@yandex.ru>

	* keymap.c (map_keymap_internal): Use format_save_value.
	(map_keymap_char_table_item): Adjust accordingly.
	* fileio.c (non_regular_fd, non_regular_inserted)
	(non_regular_nbytes): Remove.
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	(Finsert_file_contents): Convert trytry to ptrdiff_t.
	Use format_save_value to pass parameters to read_non_regular.
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	(read_non_regular): Use XSAVE_ macros to extract parameters.
	Adjust comment.
	* xmenu.c (xmenu_show) [!USE_X_TOOLKIT && !USE_GTK]: Use
	format_save_value.
	(pop_down_menu) [!USE_X_TOOLKIT && !USE_GTK]: Adjust user.

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2013-01-15  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (XSAVE_POINTER, XSAVE_INTEGER): Change to allow
	extraction from any Lisp_Save_Value slot.  Add type checking.
	* alloc.c, dired.c, editfns.c, fileio.c, ftfont.c, gtkutil.c:
	* keymap.c, lread.c, nsterm.h, nsmenu.c, xfns.c, xmenu.c:
	* xselect.c: All users changed.

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2013-01-15  Dmitry Antipov  <dmantipov@yandex.ru>

	Some convenient bits to deal with Lisp_Save_Values.
	* lisp.h (XSAVE_OBJECT): New macro to extract saved objects.
	(allocate_misc): Remove prototype.
	(format_save_value): New prototype.
	* alloc.c (allocate_misc): Revert back to static.
	(format_save_value): New function to build Lisp_Save_Value
	object with the specified internal structure.
	(make_save_value): Reimplement using format_save_value.
	* editfns.c (save_excursion_save): Use format_save_value.
	(save_excursion_restore): Use XSAVE_OBJECT.

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2013-01-14  Paul Eggert  <eggert@cs.ucla.edu>

	Avoid needless casts with XSAVE_POINTER.
	* alloc.c (mark_object) [GC_MARK_STACK]:
	* dired.c (directory_files_internal_unwind):
	* fileio.c (do_auto_save_unwind):
	* gtkutil.c (pop_down_dialog):
	* keymap.c (map_keymap_char_table_item):
	* lread.c (load_unwind):
	* nsmenu.m (pop_down_menu):
	* print.c (print_object) [GC_MARK_STACK]:
	* xfns.c (clean_up_file_dialog):
	* xmenu.c (cleanup_widget_value_tree):
	Omit casts between XSAVE_POINTER and a pointer type.

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2013-01-14  Dmitry Antipov  <dmantipov@yandex.ru>

	Fix compilation with GC_MARK_STACK == GC_USE_GCPROS_AS_BEFORE.
	* eval.c (eval_sub): Protect `form' from being GCed before its
	car and cdr becomes protected with the backtrace entry.

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2013-01-14  Dmitry Antipov  <dmantipov@yandex.ru>

	Make Lisp_Save_Value more versatile storage for up to four objects.
	* lisp.h (toplevel): Enumeration to describe types of saved objects.
	(struct Lisp_Save_Value): New layout.  Adjust comments.
	(XSAVE_POINTER): New macro.
	(XSAVE_INTEGER): Likewise.
	(allocate_misc): Add prototype.
	(free_misc): Likewise.
	* alloc.c (allocate_misc): Now global.
	(free_misc): Likewise.  Adjust comment.
	(make_save_value): Use new Lisp_Save_Value layout.  Adjust comment.
	(free_save_value): Likewise.
	(mark_object): Likewise.
	* editfns.c (save_excursion_save): Pack everything within
	Lisp_Save_Value and so avoid xmalloc.
	(save_excursion_restore): Adjust to match new layout.  Use free_misc
	because we do not allocate extra memory any more.  Add eassert.
	* print.c (print_object): New code to print Lisp_Save_Value.  Do not
	rely on valid_lisp_object_p if !GC_MARK_STACK.  Adjust comments.
	* dired.c, fileio.c, font.c, ftfont.c, gtkutil.c, keymap.c,
	* lread.c, nsmenu.m, nsterm.h, xfns.c, xmenu.c, xselect.c:
	Use XSAVE_POINTER and XSAVE_INTEGER where appropriate.

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2013-01-13  Jan Djärv  <jan.h.d@swipnet.se>

	* nsfont.m (LCD_SMOOTHING_MARGIN): New define.
	(nsfont_draw): Remove disabling of LCD smoothing.
	(ns_glyph_metrics): Add LCD_SMOOTHING_MARGIN to bearings to fix
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	Bug#11484 with LCD smoothing on.
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2013-01-13  Paul Eggert  <eggert@cs.ucla.edu>
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	Fix SIGDANGER handlers, for AIX (Bug#13408).
	* sysdep.c.c (handle_danger_signal, deliver_danger_signal) [SIGDANGER]:
	Move handlers here from emacs.c; they were out of place.

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2013-01-11  Jan Djärv  <jan.h.d@swipnet.se>

	* xterm.c (syms_of_xterm): Adjust documentation for
	scroll-bar-adjust-thumb-portion.

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2012-12-31  Adam Sjøgren  <asjo@koldfront.dk>  (tiny change)
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	* xterm.c (scroll-bar-adjust-thumb-portion): New variable to
	determine whether scroll bar thumb size should be adjusted or
	not. Use variable for MOTIF.

	* gtkutil.c (scroll-bar-adjust-thumb-portion): Use variable for
	GTK.

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2013-01-13  Jan Djärv  <jan.h.d@swipnet.se>

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	* nsterm.m (keyDown:): Set processingCompose to NO if an emacs key
	event is generated.
	(doCommandBySelector:): Set processingCompose to NO.

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	* nsfont.m (ns_findfonts): Add block/unblock_input calls.
	Remove check for fkeys count > zero, block/unblock fixes the real bug.
	(nsfont_list_family): Add block/unblock_input calls.
	(nsfont_open): Move block_input earlier.  Add unblock_input before early
	return.
	(nsfont_draw): Add block/unblock_input calls.

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2013-01-12  Dmitry Antipov  <dmantipov@yandex.ru>

	* indent.c (Fvertical_motion): Remove now-incorrect GCPROs
	for old_charpos and old_bytepos.

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2013-01-12  Paul Eggert  <eggert@cs.ucla.edu>

	Fix bug with set-time-zone-rule and LOCALTIME_CACHE (Bug#13415).
	* editfns.c (set_time_zone_rule) [LOCALTIME_CACHE]:
	Clear tzvalbuf_in_environ if this workaround is in effect.
	Problem and fix reported by Kazuhiro Ito.

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2013-01-11  Aaron S. Hawley  <Aaron.Hawley@vtinfo.com>

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	* insdel.c (Fcombine_after_change_execute, syms_of_insdel):
	Fix ambiguous doc string cross-reference(s).
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	* keyboard.c (Fcommand_execute, syms_of_keyboard): Fix ambiguous
	 doc string cross-reference(s).

	* window.c (Fwindow_point, syms_of_window): Fix ambiguous doc
	 string cross-reference(s).

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2013-01-11  Dmitry Antipov  <dmantipov@yandex.ru>

	Avoid unnecessary byte position calculation for the gap movement.
	Since all users of move_gap do CHAR_TO_BYTE for other purposes
	anyway, all of them should use move_gap_both instead.
	* lisp.h (move_gap): Remove prototype.
	* insdel.c (move_gap): Remove.
	(move_gap_both): Add eassert.
	* editfns.c (Ftranspose_regions): Tweak to use move_gap_both.
	* xml.c (parse_region): Likewise.

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2013-01-11  Paul Eggert  <eggert@cs.ucla.edu>

	emacsclient -t should not suspend Emacs server (Bug#13387)
	* lisp.h, sysdep.c (block_tty_out_signal, unblock_tty_out_signal):
	New functions.
	* term.c (init_tty): Use them instead of rolling our own code.
	* sysdep.c (tcsetpgrp_without_stopping): Likewise.  Here, this
	switches from 'signal' to 'pthread_sigmask', which is safer in
	multithreaded applications.
	* term.c (Fresume_tty): Don't bother dissociating if O_IGNORE_CTTY,
	which has already arranged for that.
	(dissociate_if_controlling_tty): If setsid fails, fall back on TIOCNOTTY.
	This is the main part of the bug fix.

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2013-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>  (tiny change)
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	* gtkutil.c (xg_initialize): Add ifdef HAVE_FREETYPE around
	x_last_font_name (Bug#13403).

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2013-01-10  Dmitry Antipov  <dmantipov@yandex.ru>

	Omit buffer_slot_type_mismatch and use generic predicates to enforce
	the type of per-buffer values where appropriate.
	* lisp.h (struct Lisp_Buffer_Objfwd): Rename slottype member to
	predicate, which is how it's really used now.  Adjust comment.
	* buffer.h (buffer_slot_type_mismatch): Remove prototype.
	* buffer.c (buffer_slot_type_mismatch): Remove.
	(DEFVAR_PER_BUFFER, defvar_per_buffer): Rename type argument to
	predicate.  Adjust comment.
	(syms_of_buffer): Use Qsymbolp for major-mode.  Use Qintegerp for
	fill-column, left-margin, tab-width, buffer-saved-size,
	left-margin-width, right-margin-width, left-fringe-width,
	right-fringe-width, scroll-bar-width and buffer-display-count.
	Use Qstringp for default-directory, buffer-file-name,
	buffer-file-truename and buffer-auto-save-file-name.  Use Qfloatp for
	scroll-up-aggressively and scroll-down-aggressively.  Use Qnumberp for
	line-spacing.
	* data.c (store_symval_forwarding): Adjust to call the predicate.

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2013-01-09  Juanma Barranquero  <lekktu@gmail.com>

	* w32.c (get_name_and_id, acl_set_file):
	* w32term.c (w32fullscreen_hook): Remove unused local variables.

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2013-01-09  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (make_gap_1): New prototype.
	* buffer.h (GAP_BYTES_DFL, GAP_BYTES_MIN): New macros for the special
	gap size values.
	* editfns.c (Fbuffer_size): Rename from Fbufsize to fit the common
	naming convention.
	(syms_of_editfns): Adjust defsubr.  Drop commented-out obsolete code.
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	* insdel.c (make_gap_larger): Use GAP_BYTES_DFL.  Adjust comment.
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	(make_gap_smaller): Use GAP_BYTES_MIN.  Adjust comment.
	(make_gap_1): New function to adjust the gap of any buffer.
	* coding.c (coding_alloc_by_making_gap): Use it.
	* buffer.c (compact_buffer): Likewise.  Use BUF_Z_BYTE, BUF_GAP_SIZE,
	GAP_BYTES_DFL and GAP_BYTES_MIN.  Adjust comment.

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2013-01-08  Juri Linkov  <juri@jurta.org>

	* xfaces.c (tty_supports_face_attributes_p): Return 0 for the case
	of (supports :underline (:style wave)).  (Bug#13000)

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2013-01-08  Aaron S. Hawley  <aaron.s.hawley@gmail.com>

	* undo.c (Fprimitive_undo): Move to simple.el.
	(syms_of_undo): Remove declarations for Sprimitive_undo.

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2013-01-08  Stefan Monnier  <monnier@iro.umontreal.ca>

	* keyboard.c (echo_add_key): Rename from echo_add_char.

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2013-01-06  Chong Yidong  <cyd@gnu.org>

	* keyboard.c (echo_add_char): New function, factored out from
	echo_char.  Don't add a space if the previous echo string was
	empty (Bug#13255).
	(echo_char): Use it.
	(read_key_sequence): When echoing mock input, ensure that the
	trailing dash is properly added.

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2013-01-05  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (dump_glyph): Align glyph data better.  Use "pD" instead
	of a non-portable "t" to print ptrdiff_t values.  Allow up to 9
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	digits for buffer positions, before misalignment starts.
	Display "0" for integer "object" field.
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	(dump_glyph_row): Adapt the header line to changes in dump_glyph.
	Display the newline glyph more unambiguously.

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2013-01-04  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>

	* nsterm.m (ns_draw_underwave):
	* w32term.c (w32_draw_underwave):
	* xterm.c (x_draw_underwave): Make underwave look more triangular
	and also degrade gracefully for small fonts.  (Bug#13000)

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	* nsterm.m (ns_draw_text_decoration):
	* w32term.c (x_draw_glyph_string):
	* xterm.c (x_draw_glyph_string): Don't use previous underline
	thickness and position if previous underline type is underwave.

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2013-01-04  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fileio.c (Ffile_acl): Undocument return format.

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2013-01-02  Glenn Morris  <rgm@gnu.org>
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	* keymap.c (Fkey_description): Doc fix.  (Bug#13323)

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2013-01-02  Paul Eggert  <eggert@cs.ucla.edu>

	Simplify via eabs.
	* dired.c (file_name_completion):
	* doc.c (get_doc_string):
	* floatfns.c (round2):
	* font.c (font_score, font_delete_unmatched):
	* fringe.c (compute_fringe_widths):
	* lread.c (read_list):
	* minibuf.c (Ftry_completion):
	* term.c (tty_ins_del_lines):
	* xterm.c (x_draw_image_foreground, x_draw_image_foreground_1):
	Use eabs (x) rather than open-coding it as (x < 0 ? -x : x).

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2012-12-31  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (unsetenv): Set up the string passed to _putenv
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	correctly.
	See http://lists.gnu.org/archive/html/emacs-devel/2012-12/msg00863.html
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	for the bug this caused.

Paul Eggert's avatar
Paul Eggert committed
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2012-12-30  Paul Eggert  <eggert@cs.ucla.edu>

	* coding.c (Qmac): Now static.

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2012-12-30  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (TOOLBAR_TOP_WIDGET): New macro.
	(xg_pack_tool_bar): Use TOOLBAR_TOP_WIDGET, condition out use of
	handlebox_widget.  Set toolbar_in_hbox to false/true, set
	toolbar_is_packed to true.
	(xg_update_tool_bar_sizes): Use widget returned by TOOLBAR_TOP_WIDGET.
	(update_frame_tool_bar): Check toolbar_is_packed for packing.
	Show all on TOOLBAR_TOP_WIDGET.
	(free_frame_tool_bar): Check toolbar_is_packed.  Use widget returned
	by TOOLBAR_TOP_WIDGET.
	(xg_change_toolbar_position): Use widget returned by TOOLBAR_TOP_WIDGET.
	Check toolbar_is_packed.
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	(xg_have_tear_offs, tearoff_remove, tearoff_activate): Condition on
	HAVE_GTK_TEAROFF_MENU_ITEM_NEW.
	(xg_have_tear_offs): When ! HAVE_GTK_TEAROFF_MENU_ITEM_NEW, return
	false.
	(create_menus): Create tearoff only if HAVE_GTK_TEAROFF_MENU_ITEM_NEW.
	(xg_update_menubar): Update title only if
	HAVE_GTK_TEAROFF_MENU_ITEM_NEW.
	(xg_update_submenu): Skip tearoff only if
	HAVE_GTK_TEAROFF_MENU_ITEM_NEW.
	(xg_initialize): Initialize xg_detached_menus only if
	HAVE_GTK_TEAROFF_MENU_ITEM_NEW.
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	* xterm.h (struct x_output): Surround handlebox_widget with
	#ifdef HAVE_GTK_HANDLE_BOX_NEW.  toolbar_is_packed is new,
	toolbar_in_hbox is bool.

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2012-12-30  Andreas Schwab  <schwab@linux-m68k.org>
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	* src/Makefile.in (TEMACS_LDFLAGS2): Remove.
	(LIBS_GNUSTEP): Define.
	(LIBES): Add $(LIBS_GNUSTEP).
	(temacs$(EXEEXT)): Use $(LDFLAGS) instead of $(TEMACS_LDFLAGS2).

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2012-12-30  Eli Zaretskii  <eliz@gnu.org>
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	* xdisp.c (set_cursor_from_row): Don't confuse a truncation or
	continuation glyph on a TTY with an indication of an empty line.
	(Bug#13277)

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2012-12-29  Eli Zaretskii  <eliz@gnu.org>

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	* fileio.c (Fset_file_selinux_context, Fset_file_acl): Return t if
	file's SELinux context or ACLs successfully set, nil otherwise.
	(Bug#13298)
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	(Fcopy_file) [WINDOWSNT]: Improve diagnostics when CopyFile fails.
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	* w32proc.c (reader_thread): Avoid passing NULL handles to
	SetEvent and WaitForSingleObject.

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2012-12-28  Paul Eggert  <eggert@cs.ucla.edu>

	Port EXTERNALLY_VISIBLE to Clang 3.2.
	* conf_post.h (__has_attribute): New macro.
	(EXTERNALLY_VISIBLE): Use it.  This ports to Clang 3.2.

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2012-12-27  Glenn Morris  <rgm@gnu.org>

	* cygw32.c (Fcygwin_convert_file_name_to_windows)
	(Fcygwin_convert_file_name_from_windows): Doc fixes.

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2012-12-27  Eli Zaretskii  <eliz@gnu.org>
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	* fileio.c (file_name_as_directory, directory_file_name):
	Accept an additional argument MULTIBYTE to indicate whether the input C
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	came from a multibyte or a unibyte Lisp string; all callers
	adjusted.  Don't assume the input string is always multibyte.
	(Bug#13262)
	(Ffile_name_directory) [DOS_NT]: Handle unibyte strings correctly:
	don't ENCODE_FILE them, and return a unibyte string if the input
	was unibyte.
	(Fexpand_file_name): Don't mix unibyte with multibyte strings, and
	don't assume the input strings will always be multibyte.  If the
	input strings are multibyte, decode strings obtained from C
	library functions.

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2012-12-26  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (toplevel): Add two notices to the comment about
	defining a new Lisp data type.
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	* print.c (print_object): If Lisp_Save_Value object's pointer
	is the address of a memory area containing Lisp_Objects, try
	to print them.
	* alloc.c (valid_lisp_object_p): Adjust comment.
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2012-12-26  Dmitry Antipov  <dmantipov@yandex.ru>

	* keyboard.c (record_asynch_buffer_change): Initialize an event
	only if it's really needed.
	* frame.h (enum output_method): Remove output_mac member since
	it's a leftover from the deleted code.
	* frame.c (Fframep): Adjust user here ...
	* terminal.c (Fterminal_live_p): ... and here.
	* coding.c (Qmac): Now here because it's only used to denote
	end-of-line encoding type.
	(syms_of_coding): DEFSYM it.
	* frame.h (Qmac): Remove duplicated declaration.

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2012-12-26  Paul Eggert  <eggert@cs.ucla.edu>

	* window.c (select_window_1): Now static, since it's used only here.

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2012-12-25  Eli Zaretskii  <eliz@gnu.org>

	* window.c (window_body_cols): Subtract display margins from the
	window body width on TTYs as well.  See
	http://lists.gnu.org/archive/html/help-gnu-emacs/2012-12/msg00317.html
	for the original report.

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2012-12-25  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (redisplay_window): Remove inner local variable
	because the outer shadowed one has the same meaning.
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	* xterm.h (struct x_output): Remove toolbar_detached member since it's
	set but never used.
	* gtkutil.c (xg_tool_bar_detach_callback, xg_tool_bar_attach_callback)
	(xg_create_tool_bar): Adjust users.
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2012-12-24  Dmitry Antipov  <dmantipov@yandex.ru>

	* buffer.h (BUF_COMPACT): New macro to follow the common style.
	* buffer.c (Fget_buffer_create): Use it to set compact field of
	struct buffer_text to avoid accessing an uninitialized value
	when compact_buffer is called for the first time.
	(compact_buffer): Use convenient BUF_COMPACT and BUF_MODIFF.
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	(Fset_buffer_modified_p): Use buffer_window_count to check
	whether the buffer is displayed in some window.
	* xdisp.c (message_dolog): Likewise.
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2012-12-23  Eli Zaretskii  <eliz@gnu.org>

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	* w32.c (acl_set_file): If setting the file security descriptor
	fails, and the new DACL is identical to the existing one, silently
	return success.  This fixes problems for users backing up their
	own files without having the necessary privileges for setting
	security descriptors.

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