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2012-09-25  Juanma Barranquero  <lekktu@gmail.com>

	Move Vlibrary_cache to emacs.c and reset before dumping.

	* lisp.h (reset_image_types): Declare.
	[WINDOWSNT] (Vlibrary_cache): Declare.

	* image.c (reset_image_types): New function.

	* emacs.c [WINDOWSNT] (Vlibrary_cache): Move from w32.c.
	(syms_of_emacs) [WINDOWSNT] <Vlibrary_cache>: Initialize and staticpro.
	(Fdump_emacs): Reset Vlibrary_cache and image_types.

	* w32.c (Vlibrary_cache): Do not define; moved to emacs.c
	(globals_of_w32) <Vlibrary_cache>: Do not initialize.

	* w32.h (Vlibrary_cache): Do not declare.

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2012-09-25  Eli Zaretskii  <eliz@gnu.org>

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	* w32proc.c (sys_signal): Handle all signals defined by the
	MS-Windows runtime, not just SIGCHLD.  Actually install the signal
	handlers for signals supported by Windows.  Don't override
	term_ntproc as the handler for SIGABRT.
	(sigaction): Rewrite to call sys_signal instead of duplicating its
	code.
	(sys_kill): Improve commentary.

	* w32.c (term_ntproc): Accept (and ignore) one argument, for
	consistency with a signature of a signal handler.  All callers
	changed.
	(init_ntproc): Accept an argument DUMPING.  If dumping, don't
	install term_ntproc as a signal handler for SIGABRT, as that
	should be done by the dumped Emacs.

	* w32.h (init_ntproc, term_ntproc): Adjust prototypes.

	* w32select.c (term_w32select): Protect against repeated
	invocation by setting clipboard_owner to NULL after calling
	DestroyWindow.

	* emacs.c (shut_down_emacs, main): Adapt the calls to init_ntproc
	and term_ntproc to their modified signatures.

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	* character.c (char_string, string_char): Remove calls to
	MAYBE_UNIFY_CHAR.  See the discussion starting at
	http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00433.html
	for the details.

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2012-09-25  Chong Yidong  <cyd@gnu.org>

	* xdisp.c (mode_line_inverse_video): Delete obsolete variable.

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2012-09-24  Stefan Monnier  <monnier@iro.umontreal.ca>

	* bytecode.c (exec_byte_code): Signal an error instead of aborting,
	when encountering an unknown bytecode.

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2012-09-24  Paul Eggert  <eggert@cs.ucla.edu>

	image.c, indent.c: Use bool for booleans.
	* dispextern.h (struct image_type): Members valid_p, load, init
	now return bool, not int.  All uses changed.
	* image.c: Omit unnecessary static decls.
	(x_create_bitmap_mask, x_build_heuristic_mask):
	Return void, not int, since callers don't care about the return value.
	(x_create_bitmap_mask, define_image_type, valid_image_p)
	(struct image_keyword, parse_image_spec, image_spec_value)
	(check_image_size, image_background)
	(image_background_transparent, x_clear_image_1)
	(postprocess_image, lookup_image, x_check_image_size)
	(x_create_x_image_and_pixmap, xbm_image_p)
	(Create_Pixmap_From_Bitmap_Data, xbm_read_bitmap_data)
	(xbm_load_image, xbm_file_p, xbm_load, xpm_lookup_color)
	(init_xpm_functions, xpm_valid_color_symbols_p, xpm_image_p)
	(xpm_load, xpm_load_image, lookup_rgb_color, lookup_pixel_color)
	(x_to_xcolors, x_build_heuristic_mask, pbm_image_p, pbm_load)
	(png_image_p, init_png_functions, png_load_body, png_load)
	(jpeg_image_p, init_jpeg_functions, jpeg_load_body, jpeg_load)
	(tiff_image_p, init_tiff_functions, tiff_load, gif_image_p)
	(init_gif_functions, gif_load, imagemagick_image_p)
	(imagemagick_load_image, imagemagick_load, svg_image_p)
	(init_svg_functions, svg_load, svg_load_image, gs_image_p)
	(gs_load):
	* nsimage.m (ns_load_image):
	* nsterm.m (ns_defined_color):
	* xfaces.c (tty_lookup_color, tty_defined_color, defined_color):
	* xfns.c (x_defined_color):
	* xterm.c (x_alloc_lighter_color_for_widget)
	(x_alloc_nearest_color_1, x_alloc_nearest_color)
	(x_alloc_lighter_color):
	* indent.c (disptab_matches_widthtab, current_column)
	(scan_for_column, string_display_width, indented_beyond_p)
	(compute_motion, vmotion, Fvertical_motion):
	Use bool for booleans.

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2012-09-24  Chong Yidong  <cyd@gnu.org>

	* chartab.c (Fset_char_table_default): Obsolete function removed.

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2012-09-23  Paul Eggert  <eggert@cs.ucla.edu>

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	Move pid_t related decls out of lisp.h.
	* lisp.h, syswait.h (record_child_status_change, wait_for_termination)
	(interruptible_wait_for_termination):
	Move these decls from lisp.h to syswait.h, since they use pid_t.
	Needed on FreeBSD; see Herbert J. Skuhra in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00571.html>.
	* callproc.c: Include syswait.h.

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	gnutls.c, gtkutil.c: Use bool for boolean.
	* gnutls.c (gnutls_global_initialized, init_gnutls_functions)
	(emacs_gnutls_handle_error):
	* gtkutil.c (xg_check_special_colors, xg_prepare_tooltip)
	(xg_hide_tooltip, xg_create_frame_widgets)
	(create_dialog, xg_uses_old_file_dialog)
	(xg_get_file_with_chooser, xg_get_file_with_selection)
	(xg_get_file_name, xg_have_tear_offs, create_menus, xg_create_widget)
	(xg_item_label_same_p, xg_update_menubar)
	(xg_modify_menubar_widgets, xg_event_is_for_menubar)
	(xg_ignore_gtk_scrollbar, xg_set_toolkit_scroll_bar_thumb)
	(xg_event_is_for_scrollbar, xg_pack_tool_bar, xg_make_tool_item)
	(is_box_type, xg_tool_item_stale_p, xg_update_tool_bar_sizes)
	(update_frame_tool_bar, free_frame_tool_bar):
	* gtkutil.c, w32term.c, xterm.c (x_wm_set_size_hint):
	* nsmenu.m (ns_update_menubar):
	* nsmenu.m, w32menu.c, xmenu.c (set_frame_menubar):
	* xfns.c (Fx_show_tip) [USE_GTK]:
	Use bool for boolean.
	* gtkutil.c (xg_update_frame_menubar):
	* xmenu.c (update_frame_menubar):
	Return void, not int, since caller ignores return value.
	* gtkutil.c (xg_change_toolbar_position):
	Return void, not 1.

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2012-09-23  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in (BLOCKINPUT_H): Remove.
	(SYSSIGNAL_H): New macro.
	($(BLD)/alloc.$(O), $(BLD)/atimer.$(O), $(BLD)/buffer.$(O))
	($(BLD)/callproc.$(O), $(BLD)/data.$(O), $(BLD)/dired.$(O))
	($(BLD)/dispnew.$(O), $(BLD)/editfns.$(O), $(BLD)/emacs.$(O))
	($(BLD)/eval.$(O), $(BLD)/fileio.$(O), $(BLD)/floatfns.$(O))
	($(BLD)/fns.$(O), $(BLD)/fontset.$(O), $(BLD)/frame.$(O))
	($(BLD)/fringe.$(O), $(BLD)/image.$(O), $(BLD)/insdel.$(O))
	($(BLD)/keyboard.$(O), $(BLD)/keymap.$(O), $(BLD)/lread.$(O))
	($(BLD)/menu.$(O), $(BLD)/w32inevt.$(O), $(BLD)/w32proc.$(O))
	($(BLD)/print.$(O), $(BLD)/process.$(O), $(BLD)/ralloc.$(O))
	($(BLD)/search.$(O), $(BLD)/sound.$(O), $(BLD)/sysdep.$(O))
	($(BLD)/term.$(O), $(BLD)/window.$(O), $(BLD)/xdisp.$(O))
	($(BLD)/xfaces.$(O), $(BLD)/w32fns.$(O), $(BLD)/w32menu.$(O))
	($(BLD)/w32term.$(O), $(BLD)/w32select.$(O), $(BLD)/w32reg.$(O))
	($(BLD)/w32xfns.$(O)): Update dependencies.

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2012-09-23  Eli Zaretskii  <eliz@gnu.org>

	* .gdbinit: Set breakpoint on terminate_due_to_signal, not on
	fatal_error_backtrace.

	* w32proc.c (sys_kill): Undo last change: don't do anything when
	invoked to deliver SIGABRT to our own process.  This is now
	handled by emacs_raise.

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2012-09-23  Juanma Barranquero  <lekktu@gmail.com>

	* w32term.c (w32_read_socket): Remove leftover reference to
	interrupt_input_pending.

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2012-09-23  Paul Eggert  <eggert@cs.ucla.edu>

	Do not use SA_NODEFER.
	Problem reported by Dani Moncayo in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00557.html>.
	* alloc.c (die):
	* sysdep.c (emacs_abort): Do not reset signal handler.
	* emacs.c (terminate_due_to_signal): Reset signal handler here.
	* sysdep.c (init_signals): Do not use SA_NODEFER.  It wasn't
	wanted even on POSIXish hosts, and it doesn't work on Windows.

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2012-09-23  Jan Djärv  <jan.h.d@swipnet.se>

	* xterm.c (x_term_init): Call fixup_locale before and after calling
	gtk_init (Bug#12392).

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2012-09-23  Chong Yidong  <cyd@gnu.org>

	* w32.c (w32_delayed_load): Remove LIBRARIES argument; always use
	Vdynamic_library_alist.

	* gnutls.c (init_gnutls_functions): Caller changed; remove arg.
	(Fgnutls_available_p): Caller changed.

	* xml.c (init_libxml2_functions, Flibxml_parse_html_region)
	(Flibxml_parse_xml_region): Likewise.

	* dispextern.h (struct image_type): Remove arg from init function.

	* image.c (Finit_image_library, lookup_image_type)
	(define_image_type): Remove now-unneeded second arg.
	(init_xpm_functions, init_png_functions, init_jpeg_functions)
	(init_tiff_functions, init_gif_functions, init_svg_functions):
	Arglist and w32_delayed_load calling convention changed.
	(gs_type): Remove init_gs_functions; there is no such function.
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	(valid_image_p, make_image): Fix caller to lookup_image_type.
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2012-09-23  Paul Eggert  <eggert@cs.ucla.edu>

	Simplify and avoid signal-handling races (Bug#12471).
	* alloc.c (die):
	* sysdep.c (emacs_abort) [HAVE_NTGUI]:
	Avoid recursive loop if there's a fatal error in the function itself.
	* atimer.c (pending_atimers):
	* blockinput.h: Don't include "atimer.h"; no longer needed.
	(interrupt_input_pending): Remove.  All uses removed.
	pending_signals now counts both atimers and ordinary interrupts.
	This is less racy than having three separate pending-signal flags.
	(block_input, unblock_input, totally_unblock_input, unblock_input_to)
	(input_blocked_p):
	Rename from their upper-case counterparts BLOCK_INPUT,
	UNBLOCK_INPUT, TOTALLY_UNBLOCK_INPUT, UNBLOCK_INPUT_TO,
	INPUT_BLOCKED_P, and turn into functions.  All uses changed.
	This makes it easier to access volatile variables more accurately.
	(BLOCK_INPUT_RESIGNAL): Remove.  All uses replaced by unblock_input ().
	(input_blocked_p): Prefer this to 'interrupt_input_blocked', as
	that's more reliable if the code is buggy and sets
	interrupt_input_blocked to a negative value.  All uses changed.
	* atimer.c (deliver_alarm_signal):
	Remove.  No need to deliver this to the parent; any thread can
	handle this signal now.  All uses replaced by underlying handler.
	* atimer.c (turn_on_atimers):
	* dispnew.c (handle_window_change_signal):
	* emacs.c (handle_danger_signal):
	* keyboard.c (kbd_buffer_get_event):
	Don't reestablish signal handler; not needed with sigaction.
	* blockinput.h (UNBLOCK_INPUT_TO, TOTALLY_UNBLOCK_INPUT)
	(UNBLOCK_INPUT_TO):
	Rework to avoid unnecessary accesses to volatile variables.
	(UNBLOCK_INPUT_TO): Now a function.
	(totally_unblock_input, unblock_input): New decls.
	* data.c (handle_arith_signal, deliver_arith_signal): Move to sysdep.c
	(init_data): Remove.  Necessary stuff now done in init_signal.
	* emacs.c, xdisp.c: Include "atimer.h", since we invoke atimer functions.
	* emacs.c (handle_fatal_signal, deliver_fatal_signal): Move to sysdep.c.
	(fatal_error_code): Remove; no longer needed.
	(terminate_due_to_signal): Rename from fatal_error_backtrace, since
	it doesn't always backtrace.  All uses changed.  No need to reset
	signal to default, since sigaction and/or die does that for us now.
	Use emacs_raise (FOO), not kill (getpid (), FOO).
	(main): Check more-accurately whether we're dumping.
	Move fatal-error setup to sysdep.c
	* floatfns.c: Do not include "syssignal.h"; no longer needed.
	* gtkutil.c (xg_get_file_name, xg_get_font):
	Remove no-longer-needed signal-mask manipulation.
	* keyboard.c, process.c (POLL_FOR_INPUT):
	Don't depend on USE_ASYNC_EVENTS, a symbol that is never defined.
	* keyboard.c (read_avail_input): Remove.
	All uses replaced by gobble_input.
	(Ftop_level): Use TOTALLY_UNBLOCK_INPUT rather than open code.
	(kbd_buffer_store_event_hold, gobble_input):
	(record_asynch_buffer_change) [USABLE_SIGIO]:
	(store_user_signal_events):
	No need to mess with signal mask.
	(gobble_input): If blocking input and there are terminals, simply
	set pending_signals to 1 and return.  All hooks changed to not
	worry about whether input is blocked.
	(process_pending_signals): Clear pending_signals before processing
	them, in case a signal comes in while we're processing.
	By convention callers now test pending_signals before calling us.
	(UNBLOCK_INPUT_TO, unblock_input, totally_unblock_input):
	New functions, to support changes to blockinput.h.
	(handle_input_available_signal): Now extern.
	(reinvoke_input_signal): Remove.  All uses replaced by
	handle_async_input.
	(quit_count): Now volatile, since a signal handler uses it.
	(handle_interrupt): Now takes bool IN_SIGNAL_HANDLER as arg.  All
	callers changed.  Block SIGINT only if not already blocked.
	Clear sigmask reliably, even if Fsignal returns, which it can.
	Omit unnecessary accesses to volatile var.
	(quit_throw_to_read_char): No need to restore sigmask.
	* keyboard.c (gobble_input, handle_user_signal):
	* process.c (wait_reading_process_output):
	Call signal-handling code rather than killing ourselves.
	* lisp.h: Include <float.h>, for...
	(IEEE_FLOATING_POINT): New macro, moved here to avoid duplication.
	(pending_signals): Now volatile.
	(syms_of_data): Now const if IEEE floating point.
	(handle_input_available_signal) [USABLE_SIGIO]:
	(terminate_due_to_signal, record_child_status_change): New decls.
	* process.c (create_process): Avoid disaster if memory is exhausted
	while we're processing a vfork, by tightening the critical section
	around the vfork.
	(send_process_frame, process_sent_to, handle_pipe_signal)
	(deliver_pipe_signal): Remove.  No longer needed, as Emacs now
	ignores SIGPIPE.
	(send_process): No need for setjmp/longjmp any more, since the
	SIGPIPE stuff is now gone.  Instead, report an error if errno
	is EPIPE.
	(record_child_status_change): Now extern.  PID and W are now args.
	Return void, not bool.  All callers changed.
	* sysdep.c (wait_debugging) [(BSD_SYSTEM || HPUX) && !defined (__GNU__)]:
	Remove.  All uses removed.  This bug should be fixed now in a
	different way.
	(wait_for_termination_1): Use waitpid rather than sigsuspend,
	and record the child status change directly.  This avoids the
	need to futz with the signal mask.
	(process_fatal_action): Move here from emacs.c.
	(emacs_sigaction_flags): New function, containing
	much of what used to be in emacs_sigaction_init.
	(emacs_sigaction_init): Use it.  Block nonfatal system signals that are
	caught by emacs, to make races less likely.
	(deliver_process_signal): Rename from handle_on_main_thread.
	All uses changed.
	(BACKTRACE_LIMIT_MAX): Now at top level.
	(thread_backtrace_buffer, threadback_backtrace_pointers):
	New static vars.
	(deliver_thread_signal, deliver_fatal_thread_signal):
	New functions, for more-accurate delivery of thread-specific signals.
	(handle_fatal_signal, deliver_fatal_signal): Move here from emacs.c.
	(deliver_arith_signal): Handle in this thread, not
	in the main thread, since it's triggered by this thread.
	(maybe_fatal_sig): New function.
	(init_signals): New arg DUMPING so that we can be more accurate
	about whether we're dumping.  Caller changed.
	Treat thread-specific signals differently from process-general signals.
	Block all signals while handling fatal error; that's safer.
	xsignal from SIGFPE only on non-IEEE hosts, treating it as fatal
	on IEEE hosts.
	When batch, ignore SIGHUP, SIGINT, SIGTERM if they were already ignored.
	Ignore SIGPIPE unless batch.
	(emacs_backtrace): Output backtrace for the appropriate thread,
	which is not necessarily the main thread.
	* syssignal.h: Include <stdbool.h>.
	(emacs_raise): New macro.
	* xterm.c (x_connection_signal): Remove; no longer needed
	now that we use sigaction.
	(x_connection_closed): No need to mess with sigmask now.
	(x_initialize): No need to reset SIGPIPE handler here, since
	init_signals does this for us now.

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2012-09-23  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_dumpglyphs_image): dr is a new rect to draw image into,
	background rect may be larger (Bug#12445).

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2012-09-23  Chong Yidong  <cyd@gnu.org>

	* keyboard.c (timer_check): Avoid quitting during Fcopy_sequence.

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2012-09-22  Paul Eggert  <eggert@cs.ucla.edu>

	* .gdbinit: Just stop at fatal_error_backtrace.
	See Stefan Monnier's request in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00549.html>.
	Remove no-longer-used query of system type.

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2012-09-22  Chong Yidong  <cyd@gnu.org>

	* search.c (Freplace_match): Doc fix (Bug#12325).

	* minibuf.c (Finternal_complete_buffer): Doc fix (Bug#12391).

	* editfns.c (Fline_beginning_position): Doc fix (Bug#12416).
	(Fline_end_position): Doc fix.

	* cmds.c (Fforward_char, Fbackward_char): Doc fix (Bug#12414).

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2012-09-22  Chong Yidong  <cyd@gnu.org>

	* dispextern.h (struct image_type): Add new slot, storing a type
	initialization function.

	* image.c (define_image_type): Call the image initializer function
	if it is defined.  Arguments and return value changed.
	(valid_image_p, make_image): Callers changed.
	(xbm_type, xpm_type, pbm_type, png_type, jpeg_type, tiff_type)
	(gif_type, imagemagick_type, svg_type, gs_type): Add
	initialization functions.
	(Finit_image_library): Call lookup_image_type.
	(CHECK_LIB_AVAILABLE): Macro deleted.
	(lookup_image_type): Call define_image_type here, rather than via
	Finit_image_library, and without using CHECK_LIB_AVAILABLE.
	(syms_of_image): Move define_image_type calls for xbm_type and
	pbm_type to lookup_image_type.

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2012-09-22  Eli Zaretskii  <eliz@gnu.org>

	* keyboard.c (timer_check_2): Move calculation of 'timers' and
	'idle_timers' from here ...
	(timer_check): ... to here.  Use Fcopy_sequence to copy the timer
	lists, to avoid infloops when the timer does something stupid,
	like reinvoke itself with the same or smaller time-out.
	(Bug#12447)

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2012-09-22  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fsplit_window_internal): Handle only Qt value of
	Vwindow_combination_limit separately.
	(Qtemp_buffer_resize): New symbol.
	(Vwindow_combination_limit): New default value.  Rewrite
	doc-string.

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2012-09-22  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (next_overlay_string): Initialize it->end_charpos for
	the new overlay string.  (Bug#10159)

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2012-09-22  Paul Eggert  <eggert@cs.ucla.edu>

	* emacs.c (shut_down_emacs): Don't assume stderr is buffered,
	or that fprintf is async-signal-safe.  POSIX doesn't require
	either assumption.

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2012-09-22  Chong Yidong  <cyd@gnu.org>

	* buffer.c (Fset_buffer_modified_p): Handle indirect buffers
	(Bug#8207).

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2012-09-22  Kenichi Handa  <handa@gnu.org>

	* composite.c (composition_reseat_it): Handle the case that a
	grapheme cluster is not covered by a single font (Bug#12352).

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2012-09-21  Chong Yidong  <cyd@gnu.org>

	* image.c (define_image_type): Avoid adding duplicate types to
	image_types (Bug#12463).  Suggested by Jörg Walter.

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2012-09-21  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* unexmacosx.c: Define LC_DATA_IN_CODE if not defined.
	(print_load_command_name): Add case LC_DATA_IN_CODE.
	(dump_it) [LC_DATA_IN_CODE]: Call copy_linkedit_data.

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2012-09-21  Glenn Morris  <rgm@gnu.org>
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	* eval.c (Frun_hook_with_args_until_success)
	(Frun_hook_with_args_until_failure): Doc fixes.  (Bug#12393)

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2012-09-21  Andreas Schwab  <schwab@linux-m68k.org>
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	* fileio.c (Ffile_selinux_context): Only call freecon when
	lgetfilecon succeeded.
	(Fset_file_selinux_context): Likewise.  (Bug#12444)

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2012-09-21  Eli Zaretskii  <eliz@gnu.org>
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	* xdisp.c (try_window_reusing_current_matrix): Under bidi
	reordering, locate the cursor by calling set_cursor_from_row; if
	that fails, clear the desired glyph matrix before returning a
	failure indication to the caller.  Fixes leaving garbled display
	when fast scrolling with a down-key.  (Bug#12403)
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	(compute_stop_pos_backwards): Fix a typo that caused crashes while
	scrolling through multibyte text.
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2012-09-20  Stefan Monnier  <monnier@iro.umontreal.ca>

	* alloc.c (mark_object) <PVEC_WINDOW>: Mark prev/next_buffers *after*
	calling mark_vectorlike since that's the one that marks the window.
	(mark_discard_killed_buffers): Mark the final cdr.
	* window.h (struct window): Move prev/next_buffers to the
	non-standard fields.
	* window.c (make_window): Initialize prev/next_buffers manually.

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2012-09-20  Paul Eggert  <eggert@cs.ucla.edu>

	Omit unused arg EXPECTED from socket hooks.
	* keyboard.c (gobble_input, read_avail_input, tty_read_avail_input):
	* nsterm.m (ns_term_init):
	* termhooks.h (struct terminal.read_socket_hook):
	* w32inevt.c (w32_console_read_socket):
	* w32term.c (w32_read_socket):
	* xterm.c (XTread_socket):
	Omit unused arg EXPECTED.  All callers changed.
	(store_user_signal_events): Return void, not int, since callers no
	longer care about the return value.  All uses changed.

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2012-09-20  Juanma Barranquero  <lekktu@gmail.com>

	* w32gui.h (XParseGeometry): Do not declare.

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2012-09-19  Paul Eggert  <eggert@cs.ucla.edu>

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	* w32inevt.c (w32_console_read_socket): Return -1 on failure, not 0.
	Ignore 'expected'. See Eli Zaretskii in
	<http://bugs.gnu.org/12471#8> (last line).

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	* frame.c (read_integer): Remove.  All uses replaced by strtol/strtoul.
	(XParseGeometry): Now static.  Substitute extremal values for
	values that are out of range.

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2012-09-19  Jan Djärv  <jan.h.d@swipnet.se>

	* w32xfns.c (read_integer, XParseGeometry): Move to frame.c.

	* nsfns.m (XParseGeometry): Remove.
	(Fx_create_frame): Call x_set_offset to correctly interpret
	top_pos in geometry.

	* frame.c (read_integer, XParseGeometry): Moved from w32xfns.c.
	(Fx_parse_geometry): If there is a space in string, call
	Qns_parse_geometry, otherwise do as on other terms (Bug#12368).

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2012-09-17  Eli Zaretskii  <eliz@gnu.org>

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	* search.c (scan_buffer): Use character positions in calls to
	region_cache_forward and region_cache_backward, not byte
	positions.  (Bug#12196)

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	* w32term.c (w32_read_socket): Set pending_signals to 1, like
	xterm.c does.  Reported by Daniel Colascione <dancol@dancol.org>.

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	* ralloc.c (r_alloc_init) [!SYSTEM_MALLOC]: Initialize
	__malloc_extra_blocks to 32 instead of 64, like alloc.c did in
	emacs_blocked_malloc, now deleted.

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2012-09-17  Paul Eggert  <eggert@cs.ucla.edu>

	Remove no-longer-needed Solaris 2.4 vfork bug workaround.
	The workaround was for improving performance on Solaris 2.4, but
	is getting in the way now.  Emacs will still work if someone is
	still running Solaris 2.4 in a museum somewhere; Sun dropped
	support for Solaris 2.4 in 2003.
	* callproc.c (Fcall_process) [HAVE_WORKING_VFORK]:
	* process.c (create_process) [HAVE_WORKING_VFORK]:
	Omit now-unnecessary workaround for the Solaris 2.4 vfork bug,
	since Emacs no longer uses vfork on that platform.

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2012-09-17  Glenn Morris  <rgm@gnu.org>

	* emacs.c: Use COPYRIGHT.

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2012-09-16  Paul Eggert  <eggert@cs.ucla.edu>

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	Remove configure's --without-sync-input option (Bug#12450).
	When auditing signal-handling in preparation for cleaning it up,
	I found that SYNC_INPUT has race conditions and would be a real
	pain to fix.  Since it's an undocumented and deprecated
	configure-time option, now seems like a good time to remove it.
	Also see <http://bugs.gnu.org/11080#16>.
	* alloc.c (_bytes_used, __malloc_extra_blocks, _malloc_internal)
	(_free_internal) [!DOUG_LEA_MALLOC]: Remove decls.
	(alloc_mutex) [!SYSTEM_MALLOC && !SYNC_INPUT && HAVE_PTHREAD]:
	(malloc_hysteresis):
	(check_depth) [XMALLOC_OVERRUN_CHECK]:
	(MALLOC_BLOCK_INPUT, MALLOC_UNBLOCK_INPUT):
	(__malloc_hook, __realloc_hook, __free_hook, BYTES_USED)
	(dont_register_blocks, bytes_used_when_reconsidered)
	(bytes_used_when_full, emacs_blocked_free, emacs_blocked_malloc)
	(emacs_blocked_realloc, reset_malloc_hooks, uninterrupt_malloc):
	[!SYSTEM_MALLOC && !SYNC_INPUT]:
	Remove. All uses removed.
	(MALLOC_BLOCK_INPUT, MALLOC_UNBLOCK_INPUT): Use a different
	implementation, one that depends on whether the new macro
	XMALLOC_BLOCK_INPUT_CHECK is defined, not on whether SYNC_INPUT
	is defined.
	* atimer.c (run_timers, handle_alarm_signal):
	* keyboard.c (pending_signal, poll_for_input_1, poll_for_input)
	(handle_async_input, process_pending_signals)
	(handle_input_available_signal, init_keyboard):
	* nsterm.m (ns_read_socket):
	* process.c (wait_reading_process_output):
	* regex.c (immediate_quit, IMMEDIATE_QUIT_CHECK):
	* sysdep.c (emacs_sigaction_init) [SA_RESTART]:
	(emacs_write):
	* xterm.c (XTread_socket):
	Assume SYNC_INPUT.
	* conf_post.h (SA_RESTART) [IRIX6_5]: Do not #undef.
	* eval.c (handling_signal): Remove.  All uses removed.
	* lisp.h (ELSE_PENDING_SIGNALS): Remove.
	All uses replaced with the SYNC_INPUT version.
	(reset_malloc_hooks, uninterrupt_malloc, handling_signal):
	Remove decls.
	* sysdep.c, syssignal.h (main_thread) [FORWARD_SIGNAL_TO_MAIN_THREAD]:
	Now static.

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	* font.c (Ffont_shape_gstring): Remove unused local.

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2012-09-16  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (clean): No longer run nextstep's clean.

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	* Makefile.in (ns_appdir, ns_appbindir, ns_appsrc): Remove variables.
	(ns_frag): Remove.
	(ns-app): Move here from ns.mk, and simplify.
	(clean): Simplify nextstep entry.
	* ns.mk: Remove file.

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2012-09-17  Kenichi Handa  <handa@gnu.org>

	* font.c (Ffont_shape_gstring): Fix previous change; GLYPHs may
	not covert the last few charactes.

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2012-09-16  Kenichi Handa  <handa@gnu.org>
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	* font.c (Ffont_shape_gstring): Don't adjust grapheme cluster
	here, but just check the validity of glyphs in the glyph-string.

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2012-09-16  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fwindow_parameter, Fset_window_parameter): Accept
	any window as argument (Bug#12452).

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2012-09-16  Jan Djärv  <jan.h.d@swipnet.se>

	* nsfns.m (Fx_open_connection): Move initialization of ns_*_types
	to ns_term_init to avoid memory leak.

	* nsterm.m (ns_update_begin): Initialize bp after lcokFocus, use
	explicit retain/release.
	(ns_term_init): Only allow one display.  Initialize outerpool and
	ns_*_types.

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2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>

	Port _setjmp fix to POSIXish hosts as well as Microsoft.
	* image.c (_setjmp) [!HAVE__SETJMP]: Restore definition, as
	it's needed on POSIXish hosts that lack _setjmp.  Attempt to solve
	the Microsoft problem in a different way, by altering ../nt/config.nt.

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2012-09-15  Eli Zaretskii  <eliz@gnu.org>

	* w32xfns.c:
	* w32uniscribe.c:
	* w32term.c:
	* w32select.c:
	* w32reg.c:
	* w32proc.c:
	* w32menu.c:
	* w32inevt.c:
	* w32heap.c:
	* w32font.c:
	* w32fns.c:
	* w32console.c:
	* w32.c:
	* w16select.c: Remove inclusion of setjmp.h, as it is now included
	by lisp.h.  This completes removal of setjmp.h inclusion
	erroneously announced in the previous commit.  (Bug#12446)

	* lisp.h [!HAVE__SETJMP, !HAVE_SIGSETJMP]: Make the commentary
	more accurate.

	* image.c (_setjmp) [!HAVE__SETJMP]: Define only if 'setjmp' is
	not defined as a macro.  The latter happens on MS-Windows.
	(Bug#12446)

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2012-09-15  Paul Eggert  <eggert@cs.ucla.edu>

	Port better to POSIX hosts lacking _setjmp (Bug#12446).
	* lisp.h: Include <setjmp.h> here, since we use its symbols here.
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	Some instances of '#include <setjmp.h>' removed, if the
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	only reason for the instance was because "lisp.h" was included.
	(sys_jmp_buf, sys_setjmp, sys_longjmp): New symbols.
	Unless otherwise specified, replace all uses of jmp_buf, _setjmp,
	and _longjmp with the new symbols.  Emacs already uses _setjmp if
	available, so this change affects only POSIXish hosts that have
	sigsetjmp but not _setjmp, such as some versions of Solaris and
	Unixware.  (Also, POSIX-2008 marks _setjmp as obsolescent.)
	* image.c (_setjmp, _longjmp) [HAVE_PNG && !HAVE__SETJMP]: New macros.
	(png_load_body) [HAVE_PNG]:
	(PNG_LONGJMP) [HAVE_PNG && PNG_LIBPNG_VER < 10500]:
	(PNG_JMPBUF) [HAVE_PNG && PNG_LIBPNG_VER >= 10500]:
	Use _setjmp and _longjmp rather than sys_setjmp and sys_longjmp,
	since PNG requires jmp_buf.  This is the only exception to the
	general rule that we now use sys_setjmp and sys_longjmp.
	This exception is OK since this code does not change the signal
	mask or longjmp out of a signal handler.

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2012-09-14  Paul Eggert  <eggert@cs.ucla.edu>

	* alloc.c [!SYSTEM_MALLOC && !SYNC_INPUT && HAVE_PTHREAD]:
	Include "syssignal.h", for 'main_thread'.

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2012-09-14  Dmitry Antipov  <dmantipov@yandex.ru>

	Avoid out-of-range marker position (Bug#12426).
	* insdel.c (replace_range, replace_range_2): Adjust
	markers before overlays, as suggested by comments.
	(insert_1_both, insert_from_buffer_1, adjust_after_replace):
	Remove redundant check before calling offset_intervals.

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2012-09-14  Martin Rudalics  <rudalics@gmx.at>

	* xdisp.c (Fformat_mode_line): Unconditionally save/restore
	current buffer (Bug#12387).

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2012-09-14  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/alloc.$(O)): Update dependencies.

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2012-09-13  Paul Eggert  <eggert@cs.ucla.edu>

	Use a more backwards-compatible timer format (Bug#12430).
	* keyboard.c (decode_timer): Get PSECS from the 8th (origin-0)
	vector element, not from the 4th, since PSECS is now at the end.
	(Fcurrent_idle_time): Doc fix.

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2012-09-13  Dmitry Antipov  <dmantipov@yandex.ru>

	Function to mark objects and remove killed buffers at once.
	* alloc.c (discard_killed_buffers): Rename to ...
	(mark_discard_killed buffers) ... new name.  Add marking
	of remaining objects.  Fix comment.  Adjust users.
	(mark_object): Do not touch frame buffer lists here.
	* frame.c (delete_frame): Reset frame buffer lists here.

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2012-09-13  Paul Eggert  <eggert@cs.ucla.edu>

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	Better workaround for GNOME bug when --enable-gcc-warnings.
	* emacsgtkfixed.c (G_STATIC_ASSERT): Remove, undoing last change.
	Instead, disable -Wunused-local-typedefs.  See Dmitry Antipov in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-09/msg00335.html>.

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Paul Eggert committed
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	Simplify SIGIO usage (Bug#12408).
	The code that dealt with SIGIO was crufty and confusing, e.g., it
	played tricks like "#undef SIGIO" but these tricks were not used
	consistently.  Simplify mostly by not #undeffing standard symbols,
	e.g., use "defined USABLE_SIGIO" (our symbol, which we can define
	or not as we please) rather than "defined SIGIO" (standard symbol
	that we probably shouldn't #undef).
	* conf_post.h [USG5_4]: Do not include <sys/wait.h> here.
	Modules that need it can include it.
	[USG5_4 && emacs]: Likewise, do not include the streams stuff here.
	* dispextern.h (ignore_sigio): New decl.
	* emacs.c (shut_down_emacs): Invoke unrequest_sigio
	unconditionally, since it's now a no-op if !USABLE_SIGIO.
	* emacs.c (shut_down_emacs):
	* keyboard.c (kbd_buffer_store_event_hold):
	Use ignore_sigio rather than invoking 'signal' directly.
	* keyboard.c (USABLE_FIONREAD && USG5_4): Include <sys/filio.h>,
	for FIONREAD.
	(FIONREAD, SIGIO): Do not #undef.
	(tty_read_avail_input): Use #error rather than a syntax error.
	* process.c [USG5_4]: Include <sys/stream.h> and <sys/stropts.h>,
	for I_PIPE, used by SETUP_SLAVE_PTY.
	(DATAGRAM_SOCKETS): Simplify defn, based on USABLE_FIONREAD.
	* sysdep.c (croak): Remove; no longer needed.  This bit of
	temporary code, with Fred N. Fish's comment that it's temporary,
	has been in Emacs since at least 1992!
	(init_sigio, reset_sigio, request_sigio, unrequest_sigio):
	Arrange for them to be no-ops in all cases when ! USABLE_SIGIO.
	* syssignal.h (croak): Remove decl.
	(SIGIO, SIGPOO, SIGAIO, SIGPTY): Do not #undef; that's too fragile.
	* systty.h [!NO_TERMIO]: Do not include <termio.h>; no longer needed
	now that we're termios-only.
	(FIONREAD, ASYNC) [BROKEN_FIONREAD]: Do not #undef.
	* term.c (dissociate_if_controlling_tty): Use #error rather than
	a run-time error.

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	Work around GCC and GNOME bugs when --enable-gcc-warnings.
	* emacsgtkfixed.c (G_STATIC_ASSERT): Redefine to use 'verify',
	to work around GNOME bug 683906.
	* image.c (jpeg_load_body) [HAVE_JPEG && lint]: Pacify gcc -Wclobber.
	(struct my_jpeg_error_mgr) [HAVE_JPEG && lint]: New member fp.
	This works around GCC bug 54561.

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2012-09-12  Paul Eggert  <eggert@cs.ucla.edu>

	More fixes for 'volatile' and setjmp/longjmp.
	* eval.c (Fdefvar, Fcondition_case): Remove unnecessary 'volatile's.
	* image.c (struct png_load_context) [HAVE_PNG]: New type.
	(png_load_body) [HAVE_PNG]:
	(jpeg_load_body) [HAVE_JPEG]:
	New function, with most of the old parent function's body.
	(png_load) [HAVE_PNG]:
	(jpeg_load) [HAVE_JPEG]:
	Invoke the new function, to avoid longjmp munging our locals.
	(struct my_jpeg_error_mgr) [HAVE_JPEG]: New members cinfo, failure_code.
	(my_error_exit) [HAVE_JPEG]: Don't trust 'setjmp' to return 2 when
	longjmp is passed 2, as the C standard doesn't guarantee this.
	Instead, store the failure code into mgr->failure_code.

Stefan Monnier's avatar
Stefan Monnier committed
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2012-09-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* keyboard.c (read_char, requeued_events_pending_p, Finput_pending_p)
	(Fdiscard_input, quit_throw_to_read_char, init_keyboard)
	(syms_of_keyboard): Remove support for unread-command-char.

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2012-09-12  Eli Zaretskii  <eliz@gnu.org>

	* w32proc.c (sys_kill): If PID is our process ID and the signal is
	SIGABRT, call emacs_abort.  Avoids silently exiting upon assertion
	violation.  (Bug#12426)

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2012-09-12  Paul Eggert  <eggert@cs.ucla.edu>

	* image.c (jpeg_memory_src): Don't assume string len fits in unsigned.

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2012-09-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c: Add `inhibit-debugger'.
	(Qinhibit_debugger): New symbol.
	(call_debugger): Bind it instead of Qdebug_on_error.
	(maybe_call_debugger): Test Vinhibit_debugger.
	(syms_of_eval): Define inhibit-debugger.
	* xdisp.c (set_message): Don't bind Qinhibit_debug_on_message.
	(syms_of_xdisp): Remove inhibit-debug-on-message.

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2012-09-11  Paul Eggert  <eggert@cs.ucla.edu>

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	Avoid _setjmp/_longjmp problems with local nonvolatile variables.
	If a nonvolatile local variable is written before a _longjmp to
	the frame containing the variable, and is read after the _longjmp,
	the value read is indeterminate.  Some local variables of type
	'struct handler' and 'struct catchtag' are used in this way, so
	mark each of their slots as volatile if the slot can be set before
	_longjmp and read afterwards.
	* lisp.h (struct handler): var and chosen_clause are now volatile.
	(struct catchtag): val, next, and pdlcount are now volatile.

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	* bidi.c (bidi_push_it, bidi_pop_it):
	* fns.c (copy_hash_table):
	* image.c (define_image_type):
	* keyboard.c (kbd_buffer_store_event_hold):
	* process.c (Fprocess_send_eof):
	* xfaces.c (x_create_gc) [HAVE_NS]:
	* xgselect.c (xg_select):
	Prefer assignment to memcpy when either will do.

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	* alloc.c (discard_killed_buffers): Tune and simplify a bit.
	Use pointer-to-a-pointer to simplify and avoid a NILP check each
	time an item is removed.  No need to mark this function 'inline';
	the compiler knows better than we do.

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2012-09-11  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_judge_scroll_bars): Pass NO to updateFrameSize.
	(updateFrameSize:): Add delay parameter to updateFrameSize, send it
	to change_frame_size (Bug#12388).
	(windowDidResize:): Pass YES to updateFrameSize.

	* nsterm.h: Add delay parameter to updateFrameSize.

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2012-09-11  Dmitry Antipov  <dmantipov@yandex.ru>

	Discard killed buffers from deleted window and frame objects.
	This reduces an amount of references to killed buffers and
	helps GC to reclaim them faster.
	* alloc.c (discard_killed_buffers): New function.
	(mark_object): Use it for deleted windows and frames.
	(mark_object): If symbol's value is set up for a killed buffer
	or deleted frame, restore it's global binding.
	* data.c (swap_in_global_binding): Add GC notice.
	(swap_in_symval_forwarding): Use convenient set_blv_where.
	* window.c (wset_next_buffers, wset_prev_buffers): Move ...
	* window.h: ... to here.

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2012-09-11  Dmitry Antipov  <dmantipov@yandex.ru>

	Convenient macro to check whether the buffer is live.
	* buffer.h (BUFFER_LIVE_P): New macro.
	* alloc.c, buffer.c, editfns.c, insdel.c, lread.c, marker.c:
	* minibuf.c, print.c, process.c, window.c, xdisp.c: Use it.

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2012-09-11  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>

	* xdisp.c (right_overwritten, right_overwriting): Also handle gstring
	composition cases (Bug#12364).

	* xterm.c (x_draw_glyph_string): Avoid overwriting inverted left
	overhang of succeeding glyphs overlapping box cursor.

	* w32term.c (x_draw_glyph_string): Likewise.

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2012-09-11  Paul Eggert  <eggert@cs.ucla.edu>

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	Simplify, document, and port floating-point (Bug#12381).
	The porting part of this patch fixes bugs on non-IEEE platforms
	with frexp, ldexp, logb.
	* data.c, lisp.h (Qdomain_error, Qsingularity_error, Qunderflow_error):
	Now static.
	* floatfns.c: Simplify discussion of functions that Emacs doesn't
	support, by removing commented-out code and briefly listing the
	C89 functions excluded.  The commented-out stuff was confusing
	maintenance, e.g., we thought we needed cbrt but it was commented out.
	(logb): Remove decl; no longer needed.
	(isfinite): New macro, if not already supplied.
	(isnan): Don't replace any existing macro.
	(Ffrexp, Fldexp): Define even if !HAVE_COPYSIGN, as frexp and ldexp
	are present on all C89 platforms.
	(Ffrexp): Do not special-case zero, as frexp does the right thing
	for that case.
	(Flogb): Do not use logb, as it doesn't have the desired meaning
	on hosts that use non-base-2 floating point.  Instead, stick with
	frexp, which is C89 anyway.  Do not pass an infinity or a NaN to
	frexp, to avoid getting an unspecified result.

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	* xdisp.c (Qinhibit_debug_on_message): Now static.

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2012-09-10  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_update_begin): Set clip path to whole view by using
	NSBezierPath (Bug#12131).

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2012-09-10  Chong Yidong  <cyd@gnu.org>

	* fns.c (Fdelq, Fdelete): Doc fix.

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2012-09-10  Paul Eggert  <eggert@cs.ucla.edu>

	* lisp.h (XSETINT, XSETCONS, XSETVECTOR, XSETSTRING, XSETSYMBOL)
	(XSETFLOAT, XSETMISC): Parenthesize macro bodies.

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2012-09-09  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lisp.h (make_lisp_ptr): New macro to replace XSET.
	(XSETCONS, XSETVECTOR, XSETSTRING, XSETSYMBOL, XSETFLOAT, XSETMISC):
	Use it.

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2012-09-09  Eli Zaretskii  <eliz@gnu.org>

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	* fringe.c (draw_fringe_bitmap_1): Don't reduce the width of the
	left fringe if the window has a left margin.  This avoids leaving
	traces of the cursor because its leftmost pixel is not drawn over.

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	* dispnew.c (update_window_line): When the left margin area of a
	screen line is updated, set the redraw_fringe_bitmaps_p flag of
	that screen line.  (Bug#12277)

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2012-09-09  Paul Eggert  <eggert@cs.ucla.edu>

	Assume C89 or later for math functions (Bug#12381).
	This simplifies the code, and makes it a bit smaller and faster,
	and (most important) makes it easier to clean up signal handling
	since we can stop worring about floating-point exceptions in
	library code.  That was a problem before C89, but the problem
	went away many years ago on all practical Emacs targets.
	* data.c, image.c, lread.c, print.c:
	Don't include <math.h>; no longer needed.
	* data.c, floatfns.c (IEEE_FLOATING_POINT): Don't worry that it
	might be autoconfigured, as that never happens.
	* data.c (fmod):
	* doprnt.c (DBL_MAX_10_EXP):
	* print.c (DBL_DIG):
	Remove.  C89 or later always defines these.
	* floatfns.c (HAVE_MATHERR, FLOAT_CHECK_ERRNO, FLOAT_CHECK_DOMAIN)
	(in_float, float_error_arg, float_error_arg2, float_error_fn_name)
	(arith_error, domain_error, domain_error2):
	Remove all this pre-C89 cruft.  Do not include <errno.h> as that's
	no longer needed -- we simply return what C returns.  All uses removed.
	(IN_FLOAT, IN_FLOAT2): Remove.  All uses replaced with
	the wrapped code.
	(FLOAT_TO_INT, FLOAT_TO_INT2, range_error, range_error2):
	Remove.  All uses expanded, as these macros are no longer used
	more than once and are now more trouble than they're worth.
	(Ftan): Use tan, not sin / cos.
	(Flogb): Assume C89 frexp.
	(fmod_float): Assume C89 fmod.
	(matherr) [HAVE_MATHERR]: Remove; no longer needed.
	(init_floatfns): Remove.  All uses removed.

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2012-09-08  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_draw_fringe_bitmap, ns_dumpglyphs_image): Take back
	compositeToPoint for OSX < 10.6 (Bug#12390).

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2012-09-08  Paul Eggert  <eggert@cs.ucla.edu>

	* floatfns.c (Ftan): Use tan (x), not (sin (x) / cos (x)).
	This produces more-accurate results.

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2012-09-08  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (updateFrameSize): Call setFrame: on the view when size
	changes (Bug#12088).

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2012-09-08  Chong Yidong  <cyd@gnu.org>

	* syntax.c (Fstring_to_syntax): Doc fix.

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2012-09-08  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_clip_to_row): Remove code that deals with drawing fringe
	in the internal border.
	(x_set_window_size): Remove static variables and their usage.
	(ns_redraw_scroll_bars): Fix NSTRACE arg.
	(ns_after_update_window_line, ns_draw_fringe_bitmap): Remove
	fringe/internal border adjustment (Bug#11052).
	(ns_draw_fringe_bitmap): Make code more like other terms (xterm.c).
	(ns_draw_window_cursor): Remove fringe/internal border adjustment.
	(ns_fix_rect_ibw): Remove.
	(ns_get_glyph_string_clip_rect): Remove call to ns_fix_rect_ibw.
	(ns_dumpglyphs_box_or_relief): Ditto.
	(ns_maybe_dumpglyphs_background): Remove fringe/internal border
	adjustment.
	(ns_dumpglyphs_image): Ditto.
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	(ns_dumpglyphs_stretch): Fix coding style.  Remove fringe/internal
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	border adjustment.
	(ns_set_vertical_scroll_bar): Remove variables barOnVeryLeft/Right and
	their usage.  Add fringe_extended_p and its use as in other terms.
	(ns_judge_scroll_bars): Code style fix.  Call updateFrameSize if
	scroll bar was removed.
	(updateFrameSize): New function.
	(windowDidResize): Move code to updateFrameSize and call it.

	* nsterm.h (EmacsView): Add updateFrameSize.

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	* textprop.c (Fget_text_property): Minor doc fix (Bug#12323).

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	* data.c (Flocal_variable_if_set_p): Doc fix (Bug#10713).

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2012-09-07  Paul Eggert  <eggert@cs.ucla.edu>

	More signal-handler cleanup (Bug#12327).
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	* emacs.c (main): Convert three 'signal' calls to 'sigaction' calls.
	Problem introduced when merging patches.  Noted by Eli Zaretskii in
	<http://bugs.gnu.org/12327#67>.
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	* floatfns.c: Comment fix.
	* lisp.h (force_auto_save_soon): Declare regardless of SIGDANGER.
	SIGDANGER might not be in scope so "#ifdef SIGDANGER" is not right,
	and anyway the declaration is harmless even if SIGDANGER is not defined.
	* syssignal.h (SIGIO): Also #undef if (! defined FIONREAD ||
	defined BROKEN_FIONREAD).  systty.h formerly did this, but other
	source files not surprisingly expected syssignal.h to define, or
	not define, SIGIO, and it's cleaner to do it that way, for consistency.
	Include <sys/ioctl.h>, for FIONREAD.
	* systty.h (SIGIO): Do not #undef here; it's now syssignal.h's job.
	This eliminates a problem whereby other files mysteriously had
	to include "syssignal.h" before including "systty.h" if they
	wanted to use "#ifdef SIGIO".

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2012-09-07  Eli Zaretskii  <eliz@gnu.org>

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	* w32proc.c (sigaction): New function, emulates Posix 'sigaction'.

	* w32.c (sigemptyset): Empty the set.
	(sigsetmask, sigmask, sigblock, sigunblock): Remove unused functions.

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	* alloc.c [ENABLE_CHECKING]: Include signal.h, since we need SIGABRT.

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2012-09-07  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (mark_buffer): Revert unsafe marking optimization.
	(mark_object): Likewise for frame objects.

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2012-09-07  Paul Eggert  <eggert@cs.ucla.edu>

	* syssignal.h (handle_on_main_thread): Always declare,
	even if FORWARD_SIGNAL_TO_MAIN_THREAD is not defined.
	This ports to platforms without HAVE_PTHREAD.

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2012-09-06  Paul Eggert  <eggert@cs.ucla.edu>

	Signal-handler cleanup (Bug#12327).
	Emacs's signal handlers were written in the old 4.2BSD style with
	sigblock and sigmask and so forth, and this led to some
	inefficiencies and confusion.  Rewrite these to use
	pthread_sigmask etc. without copying signal sets around.  Also,
	get rid of the confusing macros 'SIGNAL_THREAD_CHECK' and
	'signal', and instead use functions that do not attempt to take
	over the system name space.  This patch causes Emacs's text
	segment to shrink by 0.7% on my platform, Fedora 17 x86-64.
	* alloc.c, emacsgtkfixed.c, nsfns.m, widget.c, xmenu.c:
	Do not include <signal.h> or "syssignal.h", as these
	modules do not use signals.
	* atimer.c, callproc.c, data.c, dispnew.c, emacs.c, floatfns.c:
	* gtkutil.c, keyboard.c, process.c, sound.c, sysdep.c, term.c, xterm.c:
	Do not include <signal.h>, as "syssignal.h" does that for us now.
	* atimer.c (sigmask_atimers): New function.
	(block_atimers, unblock_atimers): New functions,
	replacing the old macros BLOCK_ATIMERS and UNBLOCK_ATIMERS.
	All uses replaced.
	* conf_post.h [SIGNAL_H_AHB]: Do not include <signal.h>;
	no longer needed here.
	* emacs.c (main): Inspect existing signal handler with sigaction,
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	so that there's no need to block and unblock SIGHUP.
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	* sysdep.c (struct save_signal): New member 'action', replacing
	old member 'handler'.
	(save_signal_handlers, restore_signal_handlers):
	Use sigaction instead of 'signal' to save and restore.
	(get_set_sighandler, set_sighandler) [!WINDOWSNT]:
	New function.  All users of 'signal' modified to use set_sighandler
	if they're writeonly, and to use sys_signal if they're read+write.
	(emacs_sigaction_init, forwarded_signal): New functions.
	(sys_signal): Remove.  All uses replaced by calls to sigaction
	and emacs_sigaction_init, or by direct calls to 'signal'.
	(sys_sigmask) [!__GNUC__]: Remove; no longer needed.
	(sys_sigblock, sys_sigunblock, sys_sigsetmask): Remove;
	all uses replaced by pthread_sigmask etc. calls.
	* syssignal.h: Include <signal.h>.
	(emacs_sigaction_init, forwarded_signal): New decls.
	(SIGMASKTYPE): Remove.  All uses replaced by its definiens, sigset_t.
	(SIGEMPTYMASK): Remove; all uses replaced by its definiens, empty_mask.
	(sigmask, sys_sigmask): Remove; no longer needed.
	(sigpause): Remove.  All uses replaced by its definiens, sigsuspend.
	(sigblock, sigunblock, sigfree):
	(sigsetmask) [!defined sigsetmask]:
	Remove.  All uses replaced by pthread_sigmask.
	(signal): Remove.  Its remaining uses (with SIG_DFL and SIG_IGN)
	no longer need to be replaced, and its typical old uses
	are now done via emacs_sigaction_init and sigaction.
	(sys_sigblock, sys_sigunblock, sys_sigsetmask): Remove decls.
	(sys_sigdel): Remove; unused.
	(NSIG): Remove a FIXME; the code's fine.  Remove an unnecessary ifdef.

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2012-09-06  Eli Zaretskii  <eliz@gnu.org>

	* process.c (CAN_HANDLE_MULTIPLE_CHILDREN): Fix a typo that broke
	SIGCHLD handling on systems that don't have WNOHANG.  (Bug#12327)

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2012-09-06  Dmitry Antipov  <dmantipov@yandex.ru>

	Explicitly mark buffer_defaults and buffer_local_symbols.
	* alloc.c (Fgarbage_collect): Mark buffer_defaults and
	mark_local_symbols here.
	(mark_object): If GC_CHECK_MARKED_OBJECTS, simplify checking
	since special buffers aren't marked here any more.
	(allocate_buffer): Chain new buffer with all_buffers here...
	* buffer.c (Fget_buffer_create, Fmake_indirect_buffer): ...and
	not here.
	(Vbuffer_defaults, Vbuffer_local_symbols): Remove.
	(syms_of_buffer): Remove staticpro of the above.
	(init_buffer_once): Set names for buffer_defaults and
	buffer_local_symbols.

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2012-09-06  Paul Eggert  <eggert@cs.ucla.edu>

	Use bool for booleans in font-related modules.
	* font.c (font_intern_prop, font_style_to_value)
	(font_style_symbolic, font_parse_xlfd, font_parse_fcname)
	(generate_otf_features, font_check_otf_features, font_check_otf)
	(font_match_p, font_list_entities, font_at):
	* fontset.c (fontset_id_valid_p, reorder_font_vector
	(fontset_find_font, Fset_fontset_font)
	(face_suitable_for_char_p) [0]:
	* ftfont.c (fc_initialized, ftfont_get_open_type_spec)
	(ftfont_open, ftfont_text_extents, ftfont_check_otf):
	(m17n_flt_initialized, ftfont_shape_by_flt):
	* ftxfont.c (ftxfont_draw_bitmap, ftxfont_draw):
	* nsfont.m (nsfont_draw):
	* w32font.c (w32font_draw):
	* w32term.c (x_draw_glyphless_glyph_string_foreground):
	Use bool for booleans.
	* font.h: Adjust to above API changes.
	(struct font, struct font_driver, struct font_driver_list):
	Use bool for booleans.
	(struct font): Remove useless member encoding_type.
	All users removed.
	* fontset.c, xftfont.c: Omit unnecessary static decls.

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2012-09-06  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (mark_object): Revert window marking code
	since it's unsafe for the Fset_window_configuration.

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2012-09-05  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix race conditions with signal handlers and errno (Bug#12327).
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	Be more systematic about preserving errno whenever a signal
	handler returns, even if it's not in the main thread.  Do this by
	renaming signal handlers to distinguish between signal delivery
	and signal handling.  All uses changed.
	* atimer.c (deliver_alarm_signal): Rename from alarm_signal_handler.
	* data.c (deliver_arith_signal): Rename from arith_error.
	* dispnew.c (deliver_window_change_signal): Rename from
	window_change_signal.
	* emacs.c (deliver_error_signal): Rename from fatal_error_signal.
	(deliver_danger_signal) [SIGDANGER]: Rename from memory_warning_signal.
	* keyboard.c (deliver_input_available_signal): Rename from
	input_available_signal.
	(deliver_user_signal): Rename from handle_user_signal.
	(deliver_interrupt_signal): Rename from interrupt_signal.
	* process.c (deliver_pipe_signal): Rename from send_process_trap.
	(deliver_child_signal): Rename from sigchld_handler.
	* atimer.c (handle_alarm_signal):
	* data.c (handle_arith_signal):
	* dispnew.c (handle_window_change_signal):
	* emacs.c (handle_fatal_signal, handle_danger_signal):
	* keyboard.c (handle_input_available_signal):
	* keyboard.c (handle_user_signal, handle_interrupt_signal):
	* process.c (handle_pipe_signal, handle_child_signal):
	New functions, with the actual signal-handling code taken from the
	original respective signal handlers, sans the sporadic attempts to
	preserve errno, since that's now done by handle_on_main_thread.
	* atimer.c (alarm_signal_handler): Remove unnecessary decl.
	* emacs.c, floatfns.c, lisp.h: Remove unused FLOAT_CATCH_SIGKILL cruft.
	* emacs.c (main_thread) [FORWARD_SIGNAL_TO_MAIN_THREAD]:
	Move to sysdep.c.
	(main) [FORWARD_SIGNAL_TO_MAIN_THREAD]:
	Move initialization of main_thread to sysdep.c's init_signals.
	* process.c (waitpid) [!WNOHANG]: #define to wait; that's good enough for
	our usage, and simplifies the mainline code.
	(record_child_status_change): New static function, as a helper
	for handle_child_signal, and with most of the old child handler's
	contents.
	(CAN_HANDLE_MULTIPLE_CHILDREN): New constant.
	(handle_child_signal): Use the above.
	* sysdep.c (main_thread) [FORWARD_SIGNAL_TO_MAIN_THREAD]:
	Moved here from emacs.c.
	(init_signals) [FORWARD_SIGNAL_TO_MAIN_THREAD]: Initialize it;
	code moved here from emacs.c's main function.
	* sysdep.c, syssignal.h (handle_on_main_thread): New function,
	replacing the old SIGNAL_THREAD_CHECK.  All uses changed.  This
	lets callers save and restore errno properly.

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2012-09-05  Dmitry Antipov  <dmantipov@yandex.ru>

	Remove redundant or unused things here and there.
	* lisp.h (CYCLE_CHECK, CHAR_TABLE_TRANSLATE): Remove.
	* conf_post.h (RE_TRANSLATE): Use char_table_translate.
	* editfns.c (Fcompare_buffer_substrings): Likewise.
	* frame.h (struct terminal, struct font_driver_list):
	Remove redundant declarations.
	* window.h (Qleft, Qright): Likewise.

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2012-09-05  Dmitry Antipov  <dmantipov@yandex.ru>

	Do not mark objects from deleted buffers, windows and frames.
	* alloc.c (mark_buffer): Mark just the buffer if it is dead.
	(mark_object): Likewise for windows and frames.

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2012-09-05  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (valid_lisp_object_p): Treat killed buffers,
	buffer_defaults and buffer_local_symbols as valid objects.
	Return special value to denote them.

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2012-09-05  Paul Eggert  <eggert@cs.ucla.edu>

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	* fileio.c, filelock.c, floatfns.c, fns.c: Use bool for boolean.
	* fileio.c (auto_saving, auto_save_error_occurred, make_temp_name)
	(Fexpand_file_name, barf_or_query_if_file_exists, Fcopy_file)
	(file_name_absolute_p, Fsubstitute_in_file_name):
	(check_executable, check_writable, Ffile_accessible_directory_p)
	(Fset_file_selinux_context, Fdefault_file_modes)
	(Finsert_file_contents, choose_write_coding_system)
	(Fwrite_region, build_annotations, a_write, e_write)
	(Fdo_auto_save):
	* filelock.c (boot_time_initialized, get_boot_time)
	(get_boot_time_1, lock_file_1, within_one_second):
	* floatfns.c (in_float):
	* fns.c (concat, internal_equal, Frequire, base64_encode_1)
	(base64_decode_1, cmpfn_eql, cmpfn_user_defined)
	(sweep_weak_table, sweep_weak_hash_tables, secure_hash):
	* lisp.h (struct Lisp_Hash_Table.cmpfn):
	* window.c (compare_window_configurations):
	Use bool for booleans.
	* fileio.c (auto_saving_dir_umask, auto_saving_mode_bits)
	(Fdefault_file_modes): Now mode_t, not int, for modes.
	(Fdo_auto_save): Set a boolean to 1 rather than using ++.
	(internal_delete_file): Now returns void, not a (boolean) int,
	since nobody was looking at the return value.
	* lisp.h, window.h: Adjust to above API changes.

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	* xdisp.c (set_message): Simplify and reindent last change.

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2012-09-05  Juanma Barranquero  <lekktu@gmail.com>

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

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2012-09-04  Lars Ingebrigtsen  <larsi@gnus.org>

	* eval.c (call_debugger): Make the function non-static so that we
	can call it from set_message.

	* xdisp.c (set_message): Implement the new variable `debug-on-message'.
	(syms_of_xdisp): Defvar it and `inhibit-debug-on-message'.

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2012-09-04  Paul Eggert  <eggert@cs.ucla.edu>

	Give more-useful info on a fatal error (Bug#12328).
	* alloc.c [ENABLE_CHECKING]: Do not include <execinfo.h>.
	(die) [ENABLE_CHECKING]: Call fatal_error_backtrace instead
	of doing the work ourselves.
	* emacs.c (fatal_error_signal): Let fatal_error_backtrace
	do most of the work.
	(fatal_error_backtrace): New function, taken from the guts
	of the old fatal_error_signal, but with a new option to output
	a backtrace.
	(shut_down_emacs) [!DOS_NT]: Use strsignal to give more-useful
	info about the signal than just its number.
	* lisp.h (fatal_error_backtrace, emacs_backtrace): New decls.
	* sysdep.c: Include <execinfo.h>
	(emacs_backtrace): New function, taken partly from the previous
	code of the 'die' function.
	(emacs_abort): Call fatal_error_backtrace rather than abort.

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2012-09-04  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lread.c (readevalloop): Call internal-macroexpand-for-load to perform
	eager (load-time) macro-expansion.
	* lisp.mk (lisp): Add macroexp.

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2012-09-04  Paul Eggert  <eggert@cs.ucla.edu>

	Simplify redefinition of 'abort' (Bug#12316).
	Do not try to redefine the 'abort' function.  Instead, redo
	the code so that it calls 'emacs_abort' rather than 'abort'.
	This removes the need for the NO_ABORT configure-time macro
	and makes it easier to change the abort code to do a backtrace.
	* .gdbinit: Just stop at emacs_abort, not at w32_abort or abort.
	* emacs.c (abort) [!DOS_NT && !NO_ABORT]:
	Remove; sysdep.c's emacs_abort now takes its place.
	* lisp.h (emacs_abort): New decl.  All calls from Emacs code to
	'abort' changed to use 'emacs_abort'.
	* msdos.c (dos_abort) [defined abort]: Remove; not used.
	(abort) [!defined abort]: Rename to ...
	(emacs_abort): ... new name.
	* sysdep.c (emacs_abort) [!HAVE_NTGUI]: New function, taking
	the place of the old 'abort' in emacs.c.
	* w32.c, w32fns.c (abort): Do not #undef.
	* w32.c (emacs_abort): Rename from w32_abort.

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2012-09-04  Eli Zaretskii  <eliz@gnu.org>

	* w32uniscribe.c (uniscribe_shape): Reverse the sign of
	offsets[j].dv, since the y axis of the screen coordinates points
	down, while the y axis of the font definition coordinates points
	up.  This fixes display of Arabic diacritics such as KASRA and
	KASRATAN.  (Bug#11860)

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2012-09-04  Paul Eggert  <eggert@cs.ucla.edu>

	Be more systematic about _setjmp vs setjmp.
	* alloc.c (test_setjmp, mark_stack):
	* image.c (PNG_LONGJMP) [PNG_LIBPNG_VER < 10500]:
	(PNG_JMPBUF) [! (PNG_LIBPNG_VER < 10500)]:
	(png_load, my_error_exit, jpeg_load):
	* process.c (send_process_trap, send_process):
	Uniformly prefer _setjmp and _longjmp to setjmp and longjmp.
	The underscored versions are up to 30x faster on some hosts.
	Formerly, the code used setjmp+longjmp sometimes and
	_setjmp+_longjmp at other times, with no particular reason to
	prefer setjmp+longjmp.

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2012-09-03  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix minor problem found by static checking.
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	* buffer.c (Fdelete_all_overlays): Return nil.

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2012-09-03  Martin Rudalics  <rudalics@gmx.at>

	* buffer.c (Fdelete_all_overlays): New function.

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2012-09-03  Chong Yidong  <cyd@gnu.org>

	* gtkutil.c: Add extern decl for Qxft.

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2012-09-02  Paul Eggert  <eggert@cs.ucla.edu>

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	* emacs.c, eval.c: Use bool for boolean.
	* emacs.c (initialized, inhibit_window_system, running_asynch_code):
	(malloc_using_checking) [DOUG_LEA_MALLOC]:
	(display_arg) [HAVE_X_WINDOWS || HAVE_NS]:
	(noninteractive, no_site_lisp, fatal_error_in_progress, argmatch)
	(main, decode_env_path, Fdaemon_initialized):
	* eval.c (call_debugger, Finteractive_p, interactive_p):
	(unwind_to_catch, Fsignal, wants_debugger, skip_debugger)
	(maybe_call_debugger, Fbacktrace):
	* process.c (read_process_output, exec_sentinel):
	Use bool for booleans.
	* emacs.c (shut_down_emacs): Omit unused boolean argument NO_X.
	All callers changed.
	* eval.c (interactive_p): Omit always-true boolean argument
	EXCLUDE_SUBRS_P.  All callers changed.
	* dispextern.h, lisp.h: Reflect above API changes.
	* firstfile.c (dummy): Use the address of 'main', whose signature
	won't change, instead of the address of 'initialize', whose
	signature just changed from int to bool.
	* lisp.h (fatal_error_in_progress): New decl of boolean, moved here ...
	* msdos.c (fatal_error_in_progress): ... from here.
	* xdisp.c (redisplaying_p): Now a boolean.  Set it to 1 instead
	of incrementing it.
	(redisplay_internal, unwind_redisplay): Simply clear
	REDISPLAYING_P when unwinding, instead of saving its previous,
	always-false value and then restoring it.

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	Clean up some extern decls.
	Mostly, this hoists extern decls out of .c files and into .h files.
	That way, we're more likely to catch errors if the interfaces change.
	* alloc.c [USE_GTK]: Include "gtkutil.h" so that we need not
	declare xg_mark_data.
	* dispextern.h (x_frame_parm_handlers):
	* font.h (Qxft):
	* lisp.h (Qlexical_binding, Qinternal_interpreter_environment)
	(Qextra_light, Qlight, Qsemi_light, Qsemi_bold, Qbold, Qextra_bold)
	(Qultra_bold, Qoblique, Qitalic):
	Move extern decl here from .c file.
	* alloc.c (xg_mark_data) [USE_GTK]:
	* doc.c (Qclosure):
	* eval.c (Qlexical_binding):
	* fns.c (time) [!HAVE_UNISTD_H]:
	* gtkutil.c (Qxft, Qnormal, Qextra_light, Qlight, Qsemi_light)
	(Qsemi_bold, Qbold, Qextra_bold, Qultra_bold, Qoblique, Qitalic):
	* image.c (Vlibrary_cache, QCloaded_from) [HAVE_NTGUI]:
	* lread.c (Qinternal_interpreter_environment):
	* minibuf.c (Qbuffer):
	* process.c (QCfamily, QCfilter):
	* widget.c (free_frame_faces):
	* xfaces.c (free_frame_menubar) [USE_X_TOOLKIT]:
	* xfont.c (x_clear_errors):
	* xterm.c (x_frame_parm_handlers):
	Remove now-redundant extern decls.
	* keyboard.c, keyboard.h (ignore_mouse_drag_p) [USE_GTK || HAVE_NS]:
	* xfaces.c (Qultra_light, Qreverse_oblique, Qreverse_italic):
	Now static.
	* xfaces.c: Remove unnecessary static decls.
	* xterm.c (updating_frame): Remove decl of nonexistent object.

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	* Makefile.in (gl-stamp): Don't scan $(SOME_MACHINE_OBJECTS)
	when building globals.h, as the objects that are not built on
	this host are not needed to compile C files on this host.

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2012-09-02  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.h: Remove prototype for x_wm_set_size_hint.

	* frame.h: Add missing prototype for x_wm_set_size_hint.

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2012-09-02  Paul Eggert  <eggert@cs.ucla.edu>

	* doc.c, editfns.c, insdel.c, intervals.c: Use bool for boolean.
	* doc.c (read_bytecode_char, get_doc_string, reread_doc_file)
	(Fdocumentation, Fdocumentation_property, Fsnarf_documentation)
	(Fsubstitute_command_keys):
	* editfns.c (region_limit, find_field, Fconstrain_to_field)
	(save_excursion_save, save_excursion_restore)
	(disassemble_lisp_time, decode_time_components, emacs_nmemftime)
	(format_time_string, general_insert_function)
	(make_buffer_string, make_buffer_string_both)
	(Fsubst_char_in_region, Ftranslate_region_internal, Fformat):
	* insdel.c (check_markers, gap_left, adjust_markers_for_insert)
	(copy_text, insert_1, insert_1_both, insert_from_string)
	(insert_from_string_before_markers, insert_from_string_1)
	(insert_from_buffer, insert_from_buffer_1, replace_range)
	(replace_range_2, del_range_1, del_range_byte, del_range_both)
	(del_range_2, modify_region):
	* intervals.c (intervals_equal, balance_possible_root_interval)
	(adjust_intervals_for_insertion, merge_properties_sticky)
	(graft_intervals_into_buffer, lookup_char_property)
	(adjust_for_invis_intang, set_point_both)
	(get_property_and_range, compare_string_intervals)
	(set_intervals_multibyte_1, set_intervals_multibyte):
	* keyboard.c (decode_timer):
	Use bool for boolean.
	* intervals.h, lisp.h, systime.h: Reflect above API changes.
	* editfns.c (struct info): Use 1-bit unsigned bitfields for booleans.

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2012-09-02  Chong Yidong  <cyd@gnu.org>

	* keymap.c (push_key_description): Print M-TAB as C-M-i
	(Bug#11758).

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2012-09-02  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in (CCL_H, W32FONT_H): New macros.
	(ATIMER_H, FONT_H, $(BLD)/alloc.$(O), $(BLD)/callproc.$(O))
	($(BLD)/editfns.$(O), $(BLD)/ccl.$(O), $(BLD)/chartab.$(O))
	($(BLD)/coding.$(O), $(BLD)/sysdep.$(O), $(BLD)/fontset.$(O))
	($(BLD)/sysdep.$(O), $(BLD)/w32fns.$(O), $(BLD)/keyboard.$(O))
	($(BLD)/w32term.$(O), $(BLD)/w32menu.$(O), $(BLD)/process.$(O))
	($(BLD)/w32font.$(O), $(BLD)/w32uniscribe.$(O)): Update dependencies.

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2012-09-01  Eli Zaretskii  <eliz@gnu.org>

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	* w32uniscribe.c (uniscribe_shape): Handle correctly the case of
	more than one grapheme cluster passed to the shaper: compute the
	offset adjustment values separately for each cluster.  (Bug#11860)

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	* image.c: Restore mistakenly removed inclusion of w32.h.  Without
	it, GCC doesn't see prototypes of w32_delayed_load, and complains
	about implicit conversions from integer to pointer.

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2012-09-01  Daniel Colascione  <dancol@dancol.org>

	* w32fns.c (x_display_info_for_name): Prevent crash if w32 window
	system used too early.

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2012-09-01  Paul Eggert  <eggert@cs.ucla.edu>

	Better seed support for (random).
	* emacs.c (main): Call init_random.
	* fns.c (Frandom): Set the seed from a string argument, if given.
	Remove long-obsolete Gentzel cruft.
	* lisp.h, sysdep.c (seed_random): Now takes address and size, not long.
	(init_random): New function.

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2012-09-01  Daniel Colascione  <dancol@dancol.org>

	* xterm.h: Add header guards.  Declare x_menubar_window_to_frame.
	Remove x_set_frame_alpha, x_bitmap_icon, x_make_frame_visible,
	x_make_frame_invisible, x_iconify_frame, x_free_frame_resources,
	x_wm_set_size_hint, x_query_colors, x_real_positions,
	x_set_menu_bar_lines, x_char_width, x_char_height, x_sync,
	x_set_tool_bar_lines, x_activate_menubar, and free_frame_menubar,
	all of which have been moved to common code.

	* xfaces.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* w32xfns.c (x_sync): Correct definition of x_sync (a no-op here)
	to match header.

	* w32term.h (FRAME_X_WINDOW): Use FRAME_W32_WINDOW instead of
	directly accessing frame internals.

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	* w32font.h: Include font.h.  Define syms_of_w32font and
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	globals_of_w32font.

	* process.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* nsterm.h: Remove declarations now in frame.h.  Define
	FRAME_X_SCREEN, FRAME_X_VISUAL.

	* menu.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* keyboard.h: Declare ignore_mouse_drag_p whenever we have a
	window system.

	* keyboard.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* image.c: Include TERM_HEADER instead of listing all possible
	window-system headers.  Declare Vlibrary_cache when compiling for
	Windows.

	* gtkutil.h (xg_list_node_): Include xterm.h to pick up needed
	window system declarations.

	* frame.h: Move common functions here: set_frame_menubar,
	x_set_window_size, x_sync, x_get_focus_frame,
	x_set_mouse_position, x_set_mouse_pixel_position,
	x_make_frame_visible, x_make_frame_invisible, x_iconify_frame,
	x_char_width, x_char_height, x_pixel_width, x_pixel_height,
	x_set_frame_alpha, x_set_menu_bar_lines, x_set_tool_bar_lines,
	x_activate_menubar, x_real_positions, x_bitmap_icon,
	x_set_menu_bar_lines, free_frame_menubar, x_free_frame_resources,
	and x_query_colors.

	* frame.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* font.c: Include TERM_HEADER instead of listing all possible
	window-system headers.

	* emacs.c: Include TERM_HEADER.

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	* dispnew.c: Include TERM_HEADER instead of listing all possible
	window-system headers.
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	* ccl.h: Include character.h.
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	* Makefile.in: Define WINDOW_SYSTEM_OBJ to hold objects needed for
	the current window system; include in list of objects to link into
	Emacs.

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2012-08-31  Dmitry Antipov  <dmantipov@yandex.ru>

	Remove mark_ttys function and fix tty_display_info initialization.
	* lisp.h (mark_ttys): Remove prototype.
	* alloc.c (Fgarbage_collect): Remove redundant (and the only) call
	to mark_ttys because all possible values of 'top_frame' slot are
	the frames which are reachable from Vframe_list.
	* term.c (mark_ttys): Remove.
	(init_tty): Safely initialize 'top_frame' slot with Qnil.

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2012-08-31  Dmitry Antipov  <dmantipov@yandex.ru>

	Change struct frame bitfields from unsigned char to unsigned.
	* frame.h (struct frame): Change type of 'display_preempted',
	'visible', 'iconified', 'has_minibuffer', 'wants_modeline',
	'auto_raise', 'auto_lower', 'no_split', 'explicit_name',
	'window_sizes_changed', 'mouse_moved' and 'pointer_invisible'
	bitfields from unsigned char to unsigned.

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2012-08-31  Dmitry Antipov  <dmantipov@yandex.ru>

	Remove unused member of struct x_output and struct w32_output.
	* xterm.h (struct x_output): Remove unused field 'needs_exposure'.
	* w32term.h (struct w32_output): Likewise.

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2012-08-30  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (x_wm_set_size_hint): Use 1 col for base_width so it
	does not become zero (Bug#12234).

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2012-08-30  Paul Eggert  <eggert@cs.ucla.edu>

	* dispnew.c (update_frame_1): Pacify gcc -Wstrict-overflow
	for GCC 4.7.1 x86-64.

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2012-08-30  Glenn Morris  <rgm@gnu.org>

	* lread.c (init_lread): For out-of-tree builds, only add the
	source directory's site-lisp dir to the load-path if it exists,
	consistent with in-tree builds.  (Bug#12302)

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2012-08-28  Jan Djärv  <jan.h.d@swipnet.se>

	* nsmenu.m (initWithContentRect:styleMask:backing:defer:): Initialize
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	button_values to NULL.  Call setStykeMask so dialogs get a close button.
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	(windowShouldClose:): Set window_closed.
	(dealloc): New member, free button_values.
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	(process_dialog:): Make member function.  Remove window argument,
	replace window with self.  Count buttons and allocate and store values
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	in button_values.
	(addButton:value:row:): value is int with the name tag.  Call setTag
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	with tag.  Remove return self, declare return value as void.
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	(addString:row:): Remove return self, declare return value as void.
	(addSplit): Remove return self, declare return value as void.
	(clicked:): Remove return self, declare return value as void.
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	Set dialog_return to button_values[seltag].  Code formatting change.
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	(initFromContents:isQuestion:): Adjust call to process_dialog.
	Code formatting change.
	(timeout_handler:): Set timer_fired to YES.
	(runDialogAt:): Set timer_fired to NO.
	Handle click on close button as quit.

	* nsterm.h (EmacsDialogPanel): Make timer_fired BOOL.
	Add window_closed and button_values.  Add void as return value for
	add(Button|String|Split).  addButton takes int instead of Lisp_Object.
	Add process_dialog as new member.

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2012-08-28  Eli Zaretskii  <eliz@gnu.org>
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	* ralloc.c (free_bloc): Don't dereference a 'heap' structure if it
	is not one of the heaps we manage.  (Bug#12242)

2012-08-28  Glenn Morris  <rgm@gnu.org>

	* eval.c (Fcalled_interactively_p): Doc fix.  (Bug#11747)

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2012-08-28  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fset_window_configuration): Remove handling of
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	auto-buffer-name window parameter.  Install revision of reverted
	fix.
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2012-08-28  Dmitry Antipov  <dmantipov@yandex.ru>

	Do not allow to set major mode for a dead buffer.
	* buffer.c (Fset_buffer_major_mode): Signal an error
	if the buffer is dead.
	(Fother_buffer, other_buffer_safely): Remove redundant
	nested declaration.

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2012-08-28  Dmitry Antipov  <dmantipov@yandex.ru>

	Always use set_buffer_if_live to restore original buffer at unwind.
	* buffer.h (record_unwind_current_buffer): New function.
	* bytecode.c, dispnew.c, editfns.c, fileio.c, fns.c, insdel.c:
	* keyboard.c, keymap.c, minibuf.c, print.c, process.c, textprop.c:
	* undo.c, window.c: Adjust users.
	* buffer.c (set_buffer_if_live): Fix comment.

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2012-08-28  Dmitry Antipov  <dmantipov@yandex.ru>

	Fix usage of set_buffer_internal.
	* buffer.h (set_buffer_internal): Make it BUFFER_INLINE.
	* buffer.c (set_buffer_if_live): Use set_buffer_internal.
	* coding.c (decode_coding): Omit redundant test.
	* fileio.c (decide_coding_unwind): Likewise.
	* fns.c (secure_hash): Likewise.
	* insdel.c (modify_region): Likewise.
	* keyboard.c (command_loop_1): Likewise.
	* print.c (PRINTFINISH): Likewise.
	* xdisp.c (run_window_scroll_functions): Use set_buffer_internal.

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2012-08-27  Paul Eggert  <eggert@cs.ucla.edu>

	* dispnew.c: Use bool for boolean.
	(frame_garbaged, display_completed, delayed_size_change)
	(fonts_changed_p, add_window_display_history)
	(add_frame_display_history, verify_row_hash)
	(adjust_glyph_matrix, clear_window_matrices, glyph_row_slice_p)
	(row_equal_p, realloc_glyph_pool)
	(allocate_matrices_for_frame_redisplay)
	(showing_window_margins_p)
	(adjust_frame_glyphs_for_frame_redisplay)
	(build_frame_matrix_from_leaf_window, make_current)
	(mirrored_line_dance, mirror_line_dance, update_frame)
	(update_window_tree, update_single_window)
	(check_current_matrix_flags, update_window, update_text_area)
	(update_window_line, set_window_update_flags, scrolling_window)
	(update_frame_1, scrolling, buffer_posn_from_coords)
	(do_pending_window_change, change_frame_size)
	(change_frame_size_1, sit_for):
	Use bool for boolean.
	(clear_glyph_matrix_rows): Rename from enable_glyph_matrix_rows,
	and remove last int (actually boolean) argument, which was always 0.
	All callers changed.
	* dispextern.h, frame.h, lisp.h: Reflect above API changes.
	* dispextern.h (struct composition_it): Use bool for boolean.
	(struct glyph_matrix): Don't assume buffer sizes can fit in 'int'.
	(struct bidi_it): Use unsigned:1, not int, for boolean prev_was_pdf.
	* dired.c (file_name_completion):
	Use bool for boolean.  (This was missed in an earlier change.)

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2012-08-27  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fset_window_configuration): Revert first part of
	last change.

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2012-08-27  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.h (NSPanel): New class variable dialog_return.

	* nsmenu.m (initWithContentRect:styleMask:backing:defer:): Initialize
	dialog_return.
	(windowShouldClose:): Use stop instead of stopModalWithCode.
	(clicked:): Ditto, and also set dialog_return (Bug#12258).
	(timeout_handler:): Use stop instead of abortModal.  Send a dummy
	event.
	(runDialogAt:): Make ret Lisp_Object.  Set it from dialog_return when
	modal loop returns.

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2012-08-27  Paul Eggert  <eggert@cs.ucla.edu>

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	* composite.c, data.c, dbusbind.c, dired.c: Use bool for booleans.
	* composite.c (find_composition, composition_gstring_p)
	(composition_reseat_it, find_automatic_composition):
	* data.c (let_shadows_buffer_binding_p)
	(let_shadows_global_binding_p, set_internal, make_blv)
	(Fmake_variable_buffer_local, Fmake_local_variable)
	(Fmake_variable_frame_local, arithcompare, cons_to_unsigned)
	(cons_to_signed, arith_driver):
	* dbusbind.c (xd_in_read_queued_messages):
	* dired.c (directory_files_internal, file_name_completion):
	Use bool for booleans.
	* dired.c (file_name_completion):
	* process.h (fd_callback):
	Omit int (actually boolean) argument.  It wasn't being used.
	All uses changed.
	* composite.h, lisp.h: Reflect above API changes.

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	* cmds.c, coding.c: Use bool for booleans.
	* cmds.c (move_point, Fself_insert_command):
	* coding.h (struct composition status, struct coding_system):
	* coding.c (detect_coding_utf_8, encode_coding_utf_8)
	(detect_coding_utf_16, encode_coding_utf_16, detect_coding_emacs_mule)
	(emacs_mule_char, decode_coding_emacs_mule)
	(encode_coding_emacs_mule, detect_coding_iso_2022)
	(decode_coding_iso_2022, encode_invocation_designation)
	(encode_designation_at_bol, encode_coding_iso_2022)
	(detect_coding_sjis, detect_coding_big5, decode_coding_sjis)
	(decode_coding_big5, encode_coding_sjis, encode_coding_big5)
	(detect_coding_ccl, encode_coding_ccl, decode_coding_raw_text)
	(encode_coding_raw_text, detect_coding_charset)
	(decode_coding_charset, encode_coding_charset, detect_eol)
	(detect_coding, get_translation_table, produce_chars)
	(consume_chars, reused_workbuf_in_use)
	(make_conversion_work_buffer, code_conversion_save)
	(decode_coding_object, encode_coding_object)
	(detect_coding_system, char_encodable_p)
	(Funencodable_char_position, code_convert_region)
	(code_convert_string, code_convert_string_norecord)
	(Fset_coding_system_priority):
	* fileio.c (Finsert_file_contents):
	Use bool for booleans.
	* coding.h, lisp.h: Reflect above API changes.
	* coding.c: Remove unnecessary static function decls.
	(detect_coding): Use unsigned, not signed, to copy an unsigned field.
	(decode_coding, encode_coding, decode_coding_gap): Return 'void',
	not a boolean 'int', since callers never look at the return value.
	(ALLOC_CONVERSION_WORK_AREA): Assume caller returns 'void', not 'int'.
	* coding.h (decoding_buffer_size, encoding_buffer_size)
	(emacs_mule_string_char): Remove unused extern decls.
	(struct iso_2022_spec, struct coding_system):
	Use 'unsigned int : 1' for boolean fields, since there's more than one.
	(struct emacs_mule_spec): Remove unused field 'full_support'.
	All initializations removed.
	* cmds.c (internal_self_insert): Don't assume EMACS_INT fits in 'int'.

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2012-08-27  Dmitry Antipov  <dmantipov@yandex.ru>

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	Fix spare memory change (Bug#12286).
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	* alloc.c (mark_maybe_pointer): Handle MEM_TYPE_SPARE.
	(valid_lisp_object_p): Likewise.

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2012-08-27  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fset_window_configuration): Record any window's old
	buffer if it's replaced (see Bug#8789).  If the new current
	buffer doesn't appear in the selected window, go to its old
	point (Bug#12208).

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2012-08-27  Dmitry Antipov  <dmantipov@yandex.ru>

	Special MEM_TYPE_SPARE to denote reserved memory.
	* alloc.c (enum mem_type): New memory type.
	(refill_memory_reserve): Use new type for spare memory.
	This prevents live_cons_p and live_string_p from incorrect
	detection of uninitialized objects from spare memory as live.

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2012-08-26  Paul Eggert  <eggert@cs.ucla.edu>

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	Spelling fixes.
	* Makefile.in (.PHONY): versioclean -> versionclean.

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	Remove unused external symbols.
	* data.c (Qcons, Qfloat, Qmisc, Qstring, Qvector):
	* window.c (Qwindow_valid_p, decode_valid_window):
	Now static, not extern.
	* data.c (Qinterval): Remove; unused.
	(syms_of_data): Do not define 'interval'.
	* lisp.h (Qinteger, Qstring, Qmisc, Qvector, Qfloat, Qcons):
	* window.h (decode_valid_window):
	Remove decls.

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	* character.c, charset.c, chartab.c: Use bool for booleans.
	* character.c (lisp_string_width, string_count_byte8)
	(string_escape_byte8):
	* charset.c (charset_map_loaded, load_charset_map, read_hex):
	(load_charset_map_from_file, map_charset_chars)
	(Fdefine_charset_internal, define_charset_internal)
	(Fdeclare_equiv_charset, find_charsets_in_text)
	(Ffind_charset_region, char_charset, Fiso_charset):
	* chartab.c (sub_char_table_ref, sub_char_table_ref_and_range)
	(sub_char_table_set, sub_char_table_set_range)
	(char_table_set_range, optimize_sub_char_table)
	(map_sub_char_table):
	Use bool for boolean.
	* character.c (str_to_unibyte): Omit last boolean argument; it was
	always 0.  All callers changed.
	* character.h, charset.h: Adjust to match previous changes.
	* character.h (char_printable_p): Remove decl of nonexistent function.
	* charset.h (struct charset): Members code_linear_p, iso_chars_96,
	ascii_compatible_p, supplementary_p, compact_codes_p, unified_p
	are all boolean, so make them single-bit bitfields.

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	* lisp.h (ASET): Remove attempt to detect side effects.
	It was meant to be temporary and it often doesn't work,
	because when IDX has side effects the behavior of IDX==IDX
	is undefined.  See Stefan Monnier in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-08/msg00762.html>.

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2012-08-26  Barry OReilly  <gundaetiapo@gmail.com>  (tiny change)

	* lisp.h (functionp): New function (extracted from Ffunctionp).
	(FUNCTIONP): Use it.
	* eval.c (Ffunctionp): Use it.

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2012-08-25  Paul Eggert  <eggert@cs.ucla.edu>

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	* xgselect.c (xg_select): Use auto storage for the GPollFD buffer
	as that's faster and simpler than static storage.  Don't bother
	with the g_main_context_query overhead if g_main_context_pending
	says no events are pending.
	(gfds, gfds_size): Remove these static vars.
	(xgselect_initialize): Remove; no longer needed.
	All uses and decls removed.

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	* emacs.c (fatal_error_signal_hook): Remove.
	All uses removed.  This leftover from old code was always 0.

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	* casefiddle.c, casetab.c, category.c: Use bool for boolean.
	* casefiddle.c (casify_object, casify_region):
	* casetab.c (set_case_table):
	* category.c, category.h (word_boundary_p):
	* category.h (CHAR_HAS_CATEGORY):
	Use bool for booleans, instead of int.

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2012-08-25  Eli Zaretskii  <eliz@gnu.org>

	* makefile.w32-in ($(BLD)/alloc.$(O)): Depend on $(GNU_LIB)/execinfo.h.

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2012-08-25  Paul Eggert  <eggert@cs.ucla.edu>

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	On assertion failure, print backtrace if available.
	* alloc.c [ENABLE_CHECKING]: Include <execinfo.h>.
	(die) [ENABLE_CHECKING]: Print a backtrace if available.
	* Makefile.in (LIB_EXECINFO): New macro.
	(LIBES): Use it.

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	* bytecode.c, callint.c, callproc.c: Use bool for boolean.
	* bytecode.c (exec_byte_code):
	* callint.c (check_mark, Fcall_interactively):
	* callproc.c (Fcall_process, add_env, child_setup, getenv_internal_1)
	(getenv_internal, sync_process_alive, call_process_exited):
	* lisp.h (USE_SAFE_ALLOCA):
	Use bool for booleans, instead of int.
	* lisp.h, process.h: Adjust prototypes to match above changes.
	* callint.c (Fcall_interactively): Don't assume the mark's
	offset fits in 'int'.

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2012-08-24  Paul Eggert  <eggert@cs.ucla.edu>

	* buffer.c, buffer.h: Use bool for boolean.
	* buffer.c (reset_buffer_local_variables)
	(buffer_lisp_local_variables, Fset_buffer_modified_p)
	(Frestore_buffer_modified_p, Fset_buffer_multibyte):
	(overlays_at, overlays_in, mouse_face_overlay_overlaps)
	(overlay_touches_p, overlay_strings, Foverlay_put)
	(report_overlay_modification, call_overlay_mod_hooks):
	(mmap_enlarge, mmap_set_vars):
	* buffer.h (buffer_has_overlays, uppercasep, lowercasep):
	Use bool for booleans, instead of int.
	* buffer.c (compact_buffer, mmap_free_1): Return void, not int,
	since the 1-or-0 return value is always ignored anyway.
	(mmap_initialized_p):
	* buffer.h (struct buffer_text.inhibit_shrinking): Now bool, not int.
	* buffer.h, lisp.h: Adjust prototypes to match above changes.

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Paul Eggert committed
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2012-08-23  Paul Eggert  <eggert@cs.ucla.edu>

	* bidi.c: Use bool for boolean.
	This is a bit more readable, and makes the text segment of bidi.o
	0.4% smaller on my platform (GCC 4.7.1 x86-64, Fedora 15).
	Presumably it's faster too.
	(bidi_initialized, bidi_ignore_explicit_marks_for_paragraph_level):
	Now bool.
	(bidi_cache_find_level_change, bidi_cache_iterator_state)
	(bidi_unshelve_cache, bidi_init_it, bidi_count_bytes)
	(bidi_char_at_pos, bidi_fetch_char, bidi_paragraph_init)
	(bidi_explicit_dir_char, bidi_level_of_next_char)
	(bidi_find_other_level_edge, bidi_move_to_visually_next):
	Use bool for booleans, instead of int.
	* dispextern.h (bidi_init_it, bidi_paragraph_init)
	(bidi_unshelve_cache): Adjust decls to match code.

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2012-08-23  Martin Rudalics  <rudalics@gmx.at>

	* keyboard.c (Fposn_at_x_y): Do not allow internal window as
	argument.

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2012-08-23  Paul Eggert  <eggert@cs.ucla.edu>

	* atimer.c, atimer.h (turn_on_atimers): Use bool for boolean.
	* atimer.h: Include <stdbool.h>.

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2012-08-22  Dan Nicolaescu  <dann@gnu.org>

	* frame.h (FRAME_W32_P, FRAME_MSDOS_P, FRAME_NS_P): Change to
	compile time tests instead of run time tests on systems that do
	not use them.
	(FRAME_MAC_P): Remove leftover from deleted code.
	* frame.c (syms_of_frame): Remove leftover from deleted code.

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2012-08-22  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (insertText:): Don't clear modifiers if code is space.

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2012-08-22  Paul Eggert  <eggert@cs.ucla.edu>

	* fontset.c (FONTSET_ADD): Return void, not Lisp_Object.
	Otherwise, the compiler complains about (A?B:C) where B is void
Juanma Barranquero's avatar
Juanma Barranquero committed
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	and C is Lisp_Object.  This fixes an incompatibility with Sun C 5.12.
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	(fontset_add): Return void, for FONTSET_ADD.

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2012-08-21  Paul Eggert  <eggert@cs.ucla.edu>

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	* alloc.c: Use bool for booleans.
	(gc_in_progress, abort_on_gc)
	(setjmp_tested_p) [!GC_SAVE_REGISTERS_ON_STACK && !GC_SETJMP_WORKS]:
	(dont_register_blocks) [GC_MALLOC_CHECK]:
	(suppress_checking) [ENABLE_CHECKING]: Now bool, not int.
	(check_string_bytes, make_specified_string, memory_full)
	(live_string_p, live_cons_p, live_symbol_p, live_float_p)
	(live_misc_p, live_vector_p, live_buffer_p, mark_maybe_object)
	(mark_stack, valid_pointer_p, make_pure_string)
	(Fgarbage_collect, survives_gc_p, gc_sweep):
	Use bool for booleans, instead of int.
	(test_setjmp) [!GC_SAVE_REGISTERS_ON_STACK && !GC_SETJMP_WORKS]:
	Remove unused local.
	* alloc.c (PURE_POINTER_P):
	* lisp.h (STRING_MULTIBYTE): Document that it returns a boolean.
	* editfns.c (Fformat):
	* fileio.c (Fexpand_file_name, Fsubstitute_in_file_name)
	(Fdo_auto_save):
	* fns.c (sweep_weak_table):
	* lisp.h (suppress_checking, push_message, survives_gc_p)
	(make_pure_string, gc_in_progress, abort_on_gc):
	* lread.c (readchar, read1):
	* print.c (Fprin1_to_string):
	* xdisp.c (push_message):
	Use bool for booleans affected directly or indirectly by
	alloc.c's changes.

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	Make recently-introduced setters macros.
	* fontset.c (set_fontset_id, set_fontset_name, set_fontset_ascii)
	(set_fontset_base, set_fontset_frame, set_fontset_nofont_face)
	(set_fontset_default, set_fontset_fallback): Rename from their
	upper-case counterparts, and make them functions rather than macros.
	This is more consistent with the other recently-introduced setters.
	These don't need to be inline, since they're local.

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2012-08-21  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (fd_handler:): Alloc and release a NSAutoreleasePool in
	the loop (Bug#12247).

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2012-08-21  Paul Eggert  <eggert@cs.ucla.edu>

	* lisp.h (vcopy): Use memcpy rather than our own loop.
	This fixes a performance regression introduced by the recent
	addition of vcopy.  This means 'vcopy' will need to be modified
	for a copying collector, but that's OK.  Also, tighten the
	checking in the assertion.

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2012-08-21  Eli Zaretskii  <eliz@gnu.org>

	* w32uniscribe.c (uniscribe_shape): Fix producing gstring
	components for RTL text (Bug#11860).  Adjust X-OFFSET of each
	non-base glyph for the width of the base character, according to
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	what x_draw_composite_glyph_string_foreground expects.
	Generate WADJUST value according to composition_gstring_width's