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2012-12-06  Dmitry Antipov  <dmantipov@yandex.ru>

	Avoid code duplication between prev_frame and next_frame.
	* frame.c (candidate_frame): New function.  Add comment.
	(prev_frame, next_frame): Use it.  Adjust comment.

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2012-12-06  Eli Zaretskii  <eliz@gnu.org>
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	* callproc.c (Fcall_process_region) [!HAVE_MKSTEMP]: If mktemp
	fails, signal an error instead of continuing with an empty
	string.  (Bug#13079)
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	Encode expanded temp file pattern before passing it to mkstemp or
	mktemp.
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	* fileio.c (file_name_as_directory, directory_file_name) [DOS_NT]:
	Encode the file name before passing it to dostounix_filename, in
	case it will downcase it (under w32-downcase-file-names).
	(Bug#12933)

Paul Eggert's avatar
Paul Eggert committed
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2012-12-05  Paul Eggert  <eggert@cs.ucla.edu>

	Minor call-process cleanups.
	* callproc.c (Fcall_process): Do record-unwind-protect on MSDOS
	at the same time as other platforms, to simplify analysis.
	No need for fd0_volatile since we have synch_process_fd.
	Avoid needless emacs_close; arg is always negative.

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2012-12-04  Andreas Schwab  <schwab@linux-m68k.org>

	* callproc.c (Fcall_process): Fix specpdl nesting for asynchronous
	processes.

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2012-12-04  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (Mouse_HLInfo): Remove set-but-unused mouse_face_image_state
	member.  Adjust users.  Convert mouse_face_past_end, mouse_face_defer
	and mouse_face_hidden members to a bitfields.
	* frame.h (struct frame): Remove set-but-not-used space_width member.
	(FRAME_SPACE_WIDTH): Remove.
	* nsterm.m, w32term.c, xterm.c: Adjust users.
	* termchar.h (struct tty_display_info): Remove set-but-unused se_is_so
	member.  Adjust users.  Convert term_initted, delete_in_insert_mode,
	costs_set, insert_mode, standout_mode, cursor_hidden and flow_control
	members to a bitfields.

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2012-12-03  Paul Eggert  <eggert@cs.ucla.edu>

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	Don't let call-process be a zombie factory (Bug#12980).
	Fixing this bug required some cleanup of the signal-handling code.
	As a side effect, this change also fixes a longstanding rare race
	condition whereby Emacs could mistakenly kill unrelated processes,
	and it fixes a bug where a second C-g does not kill a recalcitrant
	synchronous process in GNU/Linux and similar platforms.
	The patch should also fix the last vestiges of Bug#9488,
	a bug which has mostly been fixed on the trunk by other changes.
	* callproc.c, process.h (synch_process_alive, synch_process_death)
	(synch_process_termsig, sync_process_retcode):
	Remove.  All uses removed, to simplify analysis and so that
	less consing is done inside critical sections.
	* callproc.c (call_process_exited): Remove.  All uses replaced
	with !synch_process_pid.
	* callproc.c (synch_process_pid, synch_process_fd): New static vars.
	These take the role of what used to be in unwind-protect arg.
	All uses changed.
	(block_child_signal, unblock_child_signal):
	New functions, to avoid races that could kill innocent-victim processes.
	(call_process_kill, call_process_cleanup, Fcall_process): Use them.
	(call_process_kill): Record killed processes as deleted, so that
	zombies do not clutter up the system.  Do this inside a critical
	section, to avoid a race that would allow the clutter.
	(call_process_cleanup): Fix code so that the second C-g works again
	on common platforms such as GNU/Linux.
	(Fcall_process): Create the child process in a critical section,
	to fix a race condition.  If creating an asynchronous process,
	record it as deleted so that zombies do not clutter up the system.
	Do unwind-protect for WINDOWSNT too, as that's simpler in the
	light of these changes.  Omit unnecessary call to emacs_close
	before failure, as the unwind-protect code does that.
	* callproc.c (call_process_cleanup):
	* w32proc.c (waitpid): Simplify now that synch_process_alive is gone.
	* process.c (record_deleted_pid): New function, containing
	code refactored out of Fdelete_process.
	(Fdelete_process): Use it.
	(process_status_retrieved): Remove.  All callers changed to use
	child_status_change.
	(record_child_status_change): Remove, folding its contents into ...
	(handle_child_signal): ... this signal handler.  Now, this
	function is purely a handler for SIGCHLD, and is not called after
	a synchronous waitpid returns; the synchronous code is moved to
	wait_for_termination.  There is no need to worry about reaping
	more than one child now.
	* sysdep.c (get_child_status, child_status_changed): New functions.
	(wait_for_termination): Now takes int * status and bool
	interruptible arguments, too.  Do not record child status change;
	that's now the caller's responsibility.  All callers changed.
	Reimplement in terms of get_child_status.
	(wait_for_termination_1, interruptible_wait_for_termination):
	Remove.  All callers changed to use wait_for_termination.
	* syswait.h: Include <stdbool.h>, for bool.
	(record_child_status_change, interruptible_wait_for_termination):
	Remove decls.
	(record_deleted_pid, child_status_changed): New decls.
	(wait_for_termination): Adjust to API changes noted above.

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	* bytecode.c, lisp.h (Qbytecode): Remove.
	No longer needed after 2012-11-20 interactive-p changes.

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2012-12-03  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (redisplay_window): If the cursor is visible, but inside
	the scroll margin, move point outside the margin.  (Bug#13055)

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2012-12-03  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (my_log_handler): New function.
	(xg_set_geometry): Set log handler to my_log_handler (Bug#11177).

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2012-12-03  Dmitry Antipov  <dmantipov@yandex.ru>

	* lisp.h (modify_region): Rename to...
	(modify_region_1): ...new prototype.
	* textprop.c (modify_region): Now static.  Adjust users.
	* insdel.c (modify_region): Rename to...
	(modify_region_1): ...new function to work with current buffer.
	Adjust comment and users.  Use true and false for booleans.

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2012-12-03  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (free_save_value): New function.
	(safe_alloca_unwind): Use it.
	* lisp.h (free_save_value): New prototype.
	* editfns.c (save_excursion_save): Use Lisp_Misc_Save_Value.
	Add comment.
	(save_excursion_restore): Adjust to match saved data structure.
	Use free_save_value to offload some work from GC.  Drop obsolete
	#if 0 code.

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2012-12-03  Chong Yidong  <cyd@gnu.org>
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	* fileio.c (Vauto_save_list_file_name): Doc fix.

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2012-12-03  Fabrice Popineau  <fabrice.popineau@gmail.com>
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	* w32fns.c: Remove prototype of atof.
	(syspage_mask): Declared DWORD_PTR, for compatibility with 64-bit
	builds.
	(file_dialog_callback): Declared UINT_PTR.

	* w32common.h (syspage_mask): Declare DWORD_PTR, for compatibility
	with 64-bit builds.

	* w32.c (FILE_DEVICE_FILE_SYSTEM, METHOD_BUFFERED)
	(FILE_ANY_ACCESS, CTL_CODE) [_MSC_VER]: Define only if not already
	defined.

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2012-12-03  Glenn Morris  <rgm@gnu.org>
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	* data.c (Fboundp, Fsymbol_value): Doc fix re lexical-binding.
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2012-12-02  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix xpalloc confusion after memory is exhausted.
	* alloc.c (xpalloc): Comment fix.
	* charset.c (Fdefine_charset_internal): If xpalloc exhausts memory
	and signals an error, do not clear charset_table_size, as
	charset_table is still valid.
	* doprnt.c (evxprintf): Clear *BUF after freeing it.

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	Use execve to avoid need to munge environ (Bug#13054).
	* callproc.c (Fcall_process):
	* process.c (create_process):
	Don't save and restore environ;	no longer needed.
	* callproc.c (child_setup):
	Use execve, not execvp, to preserve environ.

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2012-12-01  Paul Eggert  <eggert@cs.ucla.edu>

	* xterm.c (x_draw_image_relief): Remove unused locals (Bug#10500).

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2012-12-01  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>

	* xterm.c (x_draw_relief_rect, x_draw_image_relief): Fix relief
	display for sliced images (Bug#10500).

	* w32term.c (w32_draw_relief_rect, x_draw_image_relief): Likewise.

Juanma Barranquero's avatar
Juanma Barranquero committed
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2012-11-30  Juanma Barranquero  <lekktu@gmail.com>

	* doc.c (Fdocumentation): Re-add handling of function-documentation,
	accidentally removed in 2012-11-09T04:10:16Z!monnier@iro.umontreal.ca (bug#13034).

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2012-11-29  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (window_outdated): Remove eassert since it hits
	some suspicious corner cases (see Bug#13007 and Bug#13012).
	(mode_line_update_needed): New function.
	(redisplay_internal, redisplay_window): Use it.
	(ensure_selected_frame): New function.
	(redisplay_internal, unwind_redisplay): Use it.
	(redisplay_internal): Move comment about buffer_shared...
	(buffer_shared_and_changed): ...near to its real use.

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2012-11-29  Paul Eggert  <eggert@cs.ucla.edu>

	* callproc.c (Fcall_process): Don't misreport vfork failure.

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2012-11-28  Paul Eggert  <eggert@cs.ucla.edu>

	* callproc.c (Fcall_process): Fix vfork portability problems.
	Do not assume that fd[0], count, filefd, and save_environ survive
	vfork.  Fix bug whereby wrong errno value could be reported for
	pipe failure.  Some minor cleanups, too, as follows.  Move buf and
	bufsize to the context where they're needed.  Change new_argv to
	be of type char **, as this is more convenient and avoids casts.
	(CALLPROC_BUFFER_SIZE_MIN, CALLPROC_BUFFER_SIZE_MAX):
	Now local constants, not macros.

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2012-11-18  Kenichi Handa  <handa@gnu.org>

	* font.c (font_unparse_xlfd): Fix previous change.  Keep "const"
	for the variable "f".

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2012-11-13  Kenichi Handa  <handa@gnu.org>

	* font.c (font_unparse_xlfd): Exclude special characters from the
	generating XLFD name.

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2012-11-27  Paul Eggert  <eggert@cs.ucla.edu>

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	Assume POSIX 1003.1-1988 or later for grp.h, pwd.h.
	* dired.c (stat_uname, stat_gname):
	* fileio.c (Fexpand_file_name): Remove no-longer-needed casts.

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	Assume POSIX 1003.1-1988 or later for errno.h (Bug#12968).
	* dired.c (directory_files_internal, file_name_completion):
	Assume EAGAIN and EINTR are defined.
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	* fileio.c (Fcopy_file): Assume EISDIR is defined.
	* gmalloc.c (ENOMEM, EINVAL): Assume they're defined.
	* gnutls.c (emacs_gnutls_write): Assume EAGAIN is defined.
	* lread.c (readbyte_from_file): Assume EINTR is defined.
	* process.c (wait_reading_process_output, send_process) [subprocesses]:
	Assume EIO and EAGAIN are defined.
	* unexcoff.c (write_segment): Assume EFAULT is defined.

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2012-11-27  Eli Zaretskii  <eliz@gnu.org>
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	* fontset.c (Finternal_char_font): Return nil on non-GUI frames.
	(Bug#11964)

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	* xdisp.c (draw_glyphs): Don't draw in mouse face if mouse
	highlighting on the frame was cleared.  Prevents assertion
	violations when repeatedly clicking on the "Top" link of the
	"bread-crumbs" in Info buffers.

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2012-11-25  Paul Eggert  <eggert@cs.ucla.edu>

	* sysdep.c (sys_subshell): Don't assume pid_t fits in int.

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2012-11-24  Ken Brown  <kbrown@cornell.edu>

	* keyboard.c (HAVE_MOUSE):
	* frame.c (HAVE_MOUSE): Remove, and rewrite code as if HAVE_MOUSE
	were always defined.

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2012-11-24  Eli Zaretskii  <eliz@gnu.org>
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	* xdisp.c (set_cursor_from_row): Skip step 2 only if point is not
	between bpos_covered and bpos_max.  This fixes cursor display when
	several display strings follow each other.

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	* .gdbinit (pgx): If the glyph's object is a string, display the
	pointer to string data, rather than the value of the string object
	itself (which barfs under CHECK_LISP_OBJECT_TYPE).

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	* indent.c (Fvertical_motion): If the starting position is covered
	by a display string, return to one position before that, to avoid
	overshooting it inside move_it_to.  (Bug#12930)

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2012-11-23  Dmitry Antipov  <dmantipov@yandex.ru>

	* frame.h (struct frame): Remove display_preempted member
	since all users are dead long ago.
	* nsterm.h (struct x_output): Use the only dummy member.
	* w32menu.c (pending_menu_activation): Remove since not
	really used.
	(set_frame_menubar): Adjust user.
	* w32term.h (struct x_output): Drop outdated #if 0 code.
	(struct w32_output): Use bitfields for explicit_parent,
	asked_for_visible and menubar_active members.  Drop
	unused pending_menu_activation member.
	* xterm.h (struct x_output): Drop outdated #if 0 code.
	Use bitfields for explicit_parent, asked_for_visible,
	has_been_visible and net_wm_state_hidden_seen members.

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2012-11-23  Eli Zaretskii  <eliz@gnu.org>

	* makefile.w32-in (globals.h, gl-stamp): Use $(SWITCHCHAR) instead
	of a literal "/".  (Bug#12955)
	(gl-stamp): Invoke fc.exe directly, not through cmd.

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2012-11-23  Paul Eggert  <eggert@cs.ucla.edu>

	Assume POSIX 1003.1-1988 or later for dirent.h (Bug#12958).
	* dired.c: Assume HAVE_DIRENT_H.
	(NAMLEN): Remove, replacing with ...
	(dirent_namelen): New function.  All uses changed.  Use the GNU macro
	_D_EXACT_NAMELEN if available, as it's faster than strlen.
	(DIRENTRY): Remove, replacing all uses with 'struct dirent'.
	(DIRENTRY_NONEMPTY): Remove.  All callers now assume it's nonzero.
	* makefile.w32-in (DIR_H): Remove.  All uses replaced with
	$(NT_INC)/dirent.h.
	($(BLD)/w32.$(O)): Do not depend on $(SRC)/ndir.h.
	* ndir.h: Rename to ../nt/inc/dirent.h.
	* sysdep.h (closedir) [!HAVE_CLOSEDIR]: Remove.
	Do not include <dirent.h>; no longer needed.
	* w32.c: Include <dirent.h> rather than "ndir.h".

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2012-11-23  Chong Yidong  <cyd@gnu.org>

	* xftfont.c (xftfont_open): Remove duplicate assignment.

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2012-11-22  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (Fgarbage_collect): Unblock input after clearing
	gc_in_progress to avoid note_mouse_highlight glitch with GC.
	* frame.h (FRAME_MOUSE_UPDATE): New macro.
	* msdos.c (IT_frame_up_to_date): Use it here...
	* w32term.c (w32_frame_up_to_date): ...here...
	* xterm.c (XTframe_up_to_date): ...and here...
	* nsterm.m (ns_frame_up_to_date): ...but not here.
	* lisp.h (Mouse_HLInfo): Remove mouse_face_deferred_gc member.
	Adjust users.
	* xdisp.c (message2_nolog, message3_nolog, note_mouse_highlight):
	Do not check whether GC is in progress.

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2012-11-22  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (window_buffer_changed): New function.
	(update_menu_bar, update_tool_bar): Use it to
	simplify large 'if' statements.
	(redisplay_internal): Generalize commonly used
	'tail' and 'frame' local variables.

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2012-11-22  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (getcwd): Fix the 2nd argument type, to prevent conflicts
	with Windows system header.

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2012-11-21  Paul Eggert  <eggert@cs.ucla.edu>

	Assume POSIX 1003.1-1988 or later for unistd.h (Bug#12945).
	* alloc.c: Assume unistd.h exists.
	* fileio.c (Fexpand_file_name) [DOS_NT]: Use getcwd, not getwd.
	* sysdep.c (get_current_dir_name): Assume getcwd exists.
	(getwd) [USG]: Remove; no longer needed.
	(sys_subshell) [DOS_NT]: Use getcwd, not getwd.
	* w32.c (getcwd): Rename from getwd, and switch to getcwd's API.
	* w32.h (getcwd): Remove decl.

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2012-11-21  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xdisp.c (fast_set_selected_frame): Rename from update_tool_bar_unwind.
	Make it set selected_window as well.
	(update_tool_bar): Use it.

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2012-11-21  Ken Brown  <kbrown@cornell.edu>
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Ken Brown committed
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	* emacs.c (main): Set the G_SLICE environment variable for all
	Cygwin builds, not just GTK builds.  See
	https://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00368.html.

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2012-11-21  Eli Zaretskii  <eliz@gnu.org>
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	* w32.c (FILE_DEVICE_FILE_SYSTEM, METHOD_BUFFERED)
	(FILE_ANY_ACCESS, CTL_CODE, FSCTL_GET_REPARSE_POINT) [_MSC_VER]:
	Define for the MSVC compiler.

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	* w32term.h (EnumSystemLocalesW) [_MSC_VER]: Add a missing semi-colon.
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	* fileio.c (Fsubstitute_in_file_name, Ffile_name_directory)
	(Fexpand_file_name) [DOS_NT]: Pass encoded file name to
	dostounix_filename.  Prevents crashes down the road, because
	dostounix_filename assumes it gets a unibyte string.  Reported by
	Michel de Ruiter <michel@sentient.nl>, see
	http://lists.gnu.org/archive/html/help-emacs-windows/2012-11/msg00017.html

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2012-11-20  Stefan Monnier  <monnier@iro.umontreal.ca>

	Conflate Qnil and Qunbound for `symbol-function'.
	* alloc.c (Fmake_symbol): Initialize `function' to Qnil.
	* lread.c (init_obarray): Set `function' fields to Qnil.
	* eval.c (Fcommandp): Ignore Qunbound.
	(Fautoload, eval_sub, Fapply, Ffuncall, Fmacroexpand):
	* data.c (Ffset, Ffboundp, indirect_function, Findirect_function):
	Test NILP rather than Qunbound.
	(Ffmakunbound): Set to Qnil.
	(Fsymbol_function): Never signal an error.
	(Finteractive_form): Ignore Qunbound.

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2012-11-20  Paul Eggert  <eggert@cs.ucla.edu>

	* eval.c (interactive_p): Remove no-longer-used decl.

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2012-11-20  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (buffer_shared): Adjust comment.
	(buffer_shared_and_changed): New function.
	(prepare_menu_bars, redisplay_internal): Use it to
	decide whether all windows or frames should be updated.
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	(window_outdated): New function.
	(text_outside_line_unchanged_p, redisplay_window): Use it.
	(redisplay_internal): Likewise.  Fix indentation.
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2012-11-20  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c (Finteractive_p, Fcalled_interactively_p, interactive_p): Remove.
	(syms_of_eval): Remove corresponding defsubr.
	* bytecode.c (exec_byte_code): `interactive-p' is now a Lisp function.

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2012-11-19  Daniel Colascione  <dancol@dancol.org>

	* w32fns.c (Fx_file_dialog):
	(Fx_file_dialog): Accomodate rename of cygwin_convert_path* to
	cygwin_convert_file_name*.

	* cygw32.c (Fcygwin_convert_path_to_windows, syms_of_cygw32):
	Rename cygwin_convert_path* to cygwin_convert_file_name*.

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2012-11-18  Paul Eggert  <eggert@cs.ucla.edu>

	* nsterm.m (ns_select): Send SIGIO only to self, not to process group.

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2012-11-18  Eli Zaretskii  <eliz@gnu.org>
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	* w32select.c: Include w32common.h before w32term.h, so that
	windows.h gets included before w32term.h uses some of its
	features, see below.

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	* w32term.h (LOCALE_ENUMPROCA, LOCALE_ENUMPROCW) [_MSC_VER]:
	New typedefs.
	(EnumSystemLocalesA, EnumSystemLocalesW) [_MSC_VER]:
	New prototypes.
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	(EnumSystemLocales) [_MSC_VER]: Define if undefined.  (Bug#12878)

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2012-11-18  Jan Djärv  <jan.h.d@swipnet.se>
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	* nsterm.m (hold_event): Set send_appdefined to YES (Bug#12834).
	(ns_select): Return at once if events are held (Bug#12834).

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2012-11-18  enami tsugutomo  <tsugutomo.enami@jp.sony.com>
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	* unexelf.c (ELFSIZE) [__NetBSD__ && _LP64]: Set to 64.
	Needed following 2012-10-20 change.  (Bug#12902)

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2012-11-18  Juanma Barranquero  <lekktu@gmail.com>

	* w32proc.c (waitpid): Remove unused label get_result.

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2012-11-17  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in (SYSWAIT_H): New macro.
	($(BLD)/callproc.$(O), $(BLD)/w32proc.$(O), $(BLD)/process.$(O))
	($(BLD)/sysdep.$(O)): Update dependencies.

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2012-11-17  Paul Eggert  <eggert@cs.ucla.edu>

	Assume POSIX 1003.1-1988 or later for fcntl.h (Bug#12881).
	* callproc.c (relocate_fd): Assume F_DUPFD.
	* emacs.c, term.c (O_RDWR): Remove.
	* keyboard.c (tty_read_avail_input): Use O_NONBLOCK rather than
	O_NDELAY, since O_NONBLOCK is the standard name for this flag.
	* nsterm.m: Assume <fcntl.h> exists.
	* process.c (NON_BLOCKING_CONNECT, allocate_pty, create_process)
	(create_pty, Fmake_network_process, server_accept_connection)
	(wait_reading_process_output, init_process_emacs):
	Assume O_NONBLOCK.
	(wait_reading_process_output): Put in a special case for WINDOWSNT
	to mimick the older behavior where it had O_NDELAY but not O_NONBLOCK.
	It's not clear this is needed, but it's a more-conservative change.
	(create_process): Assume FD_CLOEXEC.
	(create_process, create_pty): Assume O_NOCTTY.
	* sysdep.c (init_sys_modes, reset_sys_modes): Assume F_SETFL.
	(reset_sys_modes): Use O_NONBLOCK rather than O_NDELAY.
	Omit if not DOS_NT, since F_GETFL is not defined there.
	(serial_open): Assume O_NONBLOCK and O_NOCTTY.
	* term.c: Include <fcntl.h>, for flags like O_NOCTTY.
	(O_NOCTTY): Remove.
	(init_tty): Assume O_IGNORE_CTTY is defined to 0 on platforms that
	lack it, since gnulib guarantees this.
	* w32.c (fcntl): Test for O_NONBLOCK rather than O_NDELAY.

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	* w32.c (faccessat): Pretend that directories have the execute bit
	set.  Emacs expects that, e.g., in files.el:cd-absolute.

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	* w32proc.c (create_child): Don't clip the PID of the child
	process to fit into an Emacs integer, as this is no longer a
	restriction.
	(waitpid): Rename from sys_wait.  Emulate a Posix 'waitpid' by
	reaping only the process specified by PID argument, if that is
	positive.  Use PID instead of dead_child to know which process to
	reap.  Wait for the child to die only if WNOHANG is not in
	OPTIONS.
	(sys_select): Don't set dead_child.

	* sysdep.c (wait_for_termination_1): Remove the WINDOWSNT portion,
	as it is no longer needed.

	* process.c (waitpid, WUNTRACED) [!WNOHANG]: Remove definitions,
	no longer needed.
	(record_child_status_change): Remove the setting of
	record_at_most_one_child for the !WNOHANG case.

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2012-11-17  Paul Eggert  <eggert@cs.ucla.edu>

	Fix problems in ns port found by static checking.
	* nsterm.m: Include <pthread.h>, for pthread_mutex_lock etc.
	(hold_event, setPosition:portion:whole:): Send SIGIO only to self,
	not to process group.
	(ns_select): Use emacs_write, not write, as that's more robust
	in the presence of signals.
	(fd_handler:): Check for read errors.

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2012-11-16  Glenn Morris  <rgm@gnu.org>

	* editfns.c (Fmessage): Mention message-log-max.  (Bug#12849)

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2012-11-16  Stefan Monnier  <monnier@iro.umontreal.ca>
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	* eval.c (Finteractive_p): Revert lexbind-merge mishap.

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2012-11-16  Eli Zaretskii  <eliz@gnu.org>
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	* w32proc.c (timer_loop): Make sure SuspendThread and ResumeThread
	use the same value of thread handle.
	(start_timer_thread): If the timer thread exited (due to error),
	clean up by closing the two handles it used.  Duplicate the caller
	thread's handle here, so it gets duplicated only once, when
	launching the timer thread.  Set priority of the timer thread, not
	the caller thread.
	(getitimer): Don't duplicate the caller thread's handle here.
	(Bug#12832)

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2012-11-16  Jan Djärv  <jan.h.d@swipnet.se>
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	* nsterm.m (hold_event): Send SIGIO to make sure ns_read_socket is
	called (Bug#12834).

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2012-11-16  Paul Eggert  <eggert@cs.ucla.edu>

	Remove no-longer-used pty_max_bytes variable.
	* process.c (pty_max_bytes): Remove; unused.
	(send_process): Do not set it.

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2012-11-15  Juanma Barranquero  <lekktu@gmail.com>

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

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2012-11-15  Paul Eggert  <eggert@cs.ucla.edu>

	* eval.c (mark_backtrace) [BYTE_MARK_STACK]: Remove stray '*'.
	This follows up on the 2012-09-29 patch that removed indirection
	for the 'function' field.  Reported by Sergey Vinokurov in
	<http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00263.html>.

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2012-11-14  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (faccessat): Rename from sys_faccessat.  (No need to use a
	different name, as the MS runtime does not have such a function,
	and probably never will.)  All callers changed.  Ignore DIRFD
	value if PATH is an absolute file name, to match Posix spec
	better.  If AT_SYMLINK_NOFOLLOW is set in FLAGS, don't resolve
	symlinks.

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2012-11-14  Dmitry Antipov  <dmantipov@yandex.ru>

	* xdisp.c (echo_area_display, redisplay_internal):
	Omit redundant check whether frame_garbaged is set.

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2012-11-14  Paul Eggert  <eggert@cs.ucla.edu>

	Use faccessat, not access, when checking file permissions (Bug#12632).
	This fixes a bug that has been present in Emacs since its creation.
	It was reported by Chris Torek in 1983 even before GNU Emacs existed,
	which must set some sort of record.  (Torek's bug report was against
	a predecessor of GNU Emacs, but GNU Emacs happened to have the
	same common flaw.)  See Torek's Usenet posting
	"setuid/setgid programs & Emacs" Article-I.D.: sri-arpa.858
	Posted: Fri Apr  8 14:18:56 1983.
	* Makefile.in (LIB_EACCESS): New macro.
	(LIBES): Use it.
	* callproc.c (init_callproc):
	* charset.c (init_charset):
	* fileio.c (check_existing, check_executable, check_writable)
	(Ffile_readable_p):
	* lread.c (openp, load_path_check):
	* process.c (allocate_pty):
	* xrdb.c (file_p):
	Use effective UID when checking permissions, not real UID.
	* callproc.c (init_callproc):
	* charset.c (init_charset):
	* lread.c (load_path_check, init_lread):
	Test whether directories are accessible, not merely whether they exist.
	* conf_post.h (GNULIB_SUPPORT_ONLY_AT_FDCWD): New macro.
	* fileio.c (check_existing, check_executable, check_writable)
	(Ffile_readable_p):
	Use symbolic names instead of integers for the flags, as they're
	portable now.
	(check_writable): New arg AMODE.  All uses changed.
	Set errno on failure.
	(Ffile_readable_p): Use faccessat, not stat + open + close.
	(Ffile_writable_p): No need to call check_existing + check_writable.
	Just call check_writable and then look at errno.  This saves a syscall.
	dir should never be nil; replace an unnecessary runtime check
	with an eassert.  When checking the parent directory of a nonexistent
	file, check that the directory is searchable as well as writable, as
	we can't create files in unsearchable directories.
	(file_directory_p): New function, which uses 'stat' on most platforms
	but faccessat with D_OK (for efficiency) if WINDOWSNT.
	(Ffile_directory_p, Fset_file_times): Use it.
	(file_accessible_directory_p): New function, which uses a single
	syscall for efficiency.
	(Ffile_accessible_directory_p): Use it.
	* xrdb.c (file_p): Use file_directory_p.
	* lisp.h (file_directory_p, file_accessible_directory_p): New decls.
	* lread.c (openp): When opening a file, use fstat rather than
	stat, as that avoids a permissions race.  When not opening a file,
	use file_directory_p rather than stat.
	(dir_warning): First arg is now a usage string, not a format.
	Use errno.  All uses changed.
	* nsterm.m (ns_term_init): Remove unnecessary call to file-readable
	that merely introduced a race.
	* process.c, sysdep.c, term.c: All uses of '#ifdef O_NONBLOCK'
	changed to '#if O_NONBLOCK', to accommodate gnulib O_* style,
	and similarly for the other O_* flags.
	* w32.c (sys_faccessat): Rename from sys_access and switch to
	faccessat's API.  All uses changed.
	* xrdb.c: Do not include <sys/stat.h>; no longer needed.
	(magic_db): Rename from magic_file_p.
	(magic_db, search_magic_path): Return an XrmDatabase rather than a
	char *, so that we don't have to test for file existence
	separately from opening the file for reading.  This removes a race
	fixes a permission-checking problem, and simplifies the code.
	All uses changed.
	(file_p): Remove; no longer needed.

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2012-11-13  Dmitry Antipov  <dmantipov@yandex.ru>

	Omit glyphs initialization at startup.
	* dispnew.c (glyphs_initialized_initially_p): Remove.
	(adjust_frame_glyphs_initially): Likewise.  Adjust users.
	(Fredraw_frame): Move actual code from here...
Eli Zaretskii's avatar
Eli Zaretskii committed
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	(redraw_frame): ...to here.  Add eassert.  Adjust comment.
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	(Fredraw_display): Use redraw_frame.
	* xdisp.c (clear_garbaged_frames): Likewise.

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2012-11-13  Eli Zaretskii  <eliz@gnu.org>
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	* xdisp.c (decode_mode_spec): Limit the value of WIDTH argument
	passed to pint2str and pint2hrstr to be at most the size of the
	frame's decode_mode_spec_buffer.  This avoids crashes with very
	large values of FIELD_WIDTH argument to decode_mode_spec.
	(Bug#12867)

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2012-11-13  Paul Eggert  <eggert@cs.ucla.edu>

	Fix a race with verify-visited-file-modtime (Bug#12863).
	Since at least 1991 Emacs has ignored an mtime difference of no
	more than one second, but my guess is that this was to work around
	file system bugs that were fixed long ago.  Since the race is
	causing problems now, let's remove that code.
	* fileio.c (Fverify_visited_file_modtime): Do not accept a file
	whose time stamp is off by no more than a second.  Insist that the
	file time stamps match exactly.

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2012-11-12  Dmitry Antipov  <dmantipov@yandex.ru>

	* frame.h (struct frame): Convert external_tool_bar member to
	1-bit unsigned bitfield.
	* termhooks.h (struct terminal): Remove mouse_moved member since
	all users are long dead.  Adjust comment on mouse_position_hook.

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2012-11-12  Dmitry Antipov  <dmantipov@yandex.ru>

	Simplify by using FOR_EACH_FRAME here and there.
	* frame.c (next_frame, prev_frame, other_visible_frames)
	(delete_frame, visible-frame-list): Use FOR_EACH_FRAME.
	* w32term.c (x_window_to_scroll_bar): Likewise.
	* window.c (window_list): Likewise.
	* xdisp.c (x_consider_frame_title): Likewise.
	* xfaces.c ( Fdisplay_supports_face_attributes_p): Likewise.
	* xfns.c (x_window_to_frame, x_any_window_to_frame)
	(x_menubar_window_to_frame, x_top_window_to_frame): Likewise.
	* xmenu.c (menubar_id_to_frame): Likewise.
	* xselect.c (frame_for_x_selection): Likewise.
	* xterm.c (x_frame_of_widget, x_window_to_scroll_bar)
	(x_window_to_menu_bar): Likewise.
	* w32fns.c (x_window_to_frame): Likewise.  Adjust comment.

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2012-11-12  Paul Eggert  <eggert@cs.ucla.edu>

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	* data.c (Qdefalias_fset_function): Now static.

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	Another tweak to vectorlike_header change.
	* alloc.c (struct Lisp_Vectorlike_Free, NEXT_IN_FREE_LIST):
	Remove, and replace all uses with ...
	(next_in_free_list, set_next_in_free_list):
	New functions, which respect C's aliasing rules better.

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

	* window.c (list4i): Rename from 'quad'.  All uses changed.
	Needed because <sys/types.h> defines 'quad' on Solaris 10.

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2012-11-11  Juanma Barranquero  <lekktu@gmail.com>

	* xdisp.c (start_hourglass) [HAVE_NTGUI]: Add block to silence
	warning about mixing declarations and code in ISO C90.

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	* window.c (Fsplit_window_internal): Set combination limit of
	new parent window to t iff Vwindow_combination_limit is t;
	fixing a regression introduced with the change from 2012-09-22.
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	(Fset_window_combination_limit): Fix doc-string.
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	* xdisp.c (try_scrolling): Fix correction of aggressive-scroll
	amount when the scroll margins are too large.  When scrolling
	backwards in the buffer, give up if cannot reach point or the
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	scroll margin within a reasonable number of screen lines.
	Fixes point position in window under scroll-up/down-aggressively when
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	point is positioned many lines beyond the window top/bottom.
	(Bug#12811)

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	* ralloc.c (relinquish): If real_morecore fails to return memory
	to the system, don't crash; instead, leave the last heap
	unchanged and return.  (Bug#12774)

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2012-11-09  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lisp.h (AUTOLOADP): New macro.
	* eval.c (Fautoload): Don't attach to loadhist, call Fdefalias instead.
	* data.c (Ffset): Remove special ad-advice-info handling.
	(Fdefalias): Handle autoload definitions and new Qdefalias_fset_function.
	(Fsubr_arity): CSE.
	(Finteractive_form): Simplify.
	(Fquo): Don't insist on having at least 2 arguments.
	(Qdefalias_fset_function): New var.

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

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	* image.c (xpm_make_color_table_h): Change to hashtest_equal.

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	* nsfont.m (Qcondensed, Qexpanded): New variables.
	(ns_descriptor_to_entity): Restore Qcondensed, Qexpanded setting.
	(syms_of_nsfont): Defsym Qcondensed, Qexpanded.

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

	Fix recently introduced crash on MS-Windows (Bug#12839).
	* w32term.h (struct scroll_bar): Use convenient header.
	(SCROLL_BAR_VEC_SIZE): Remove.
	* w32term.c (x_scroll_bar_create): Use VECSIZE.

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

	Tweak last vectorlike_header change.
	* alloc.c (struct Lisp_Vectorlike_Free): Special type to represent
	vectorlike object on the free list.  This is introduced to avoid
	some (but not all) pointer casting and aliasing problems, see
	http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00105.html.
	* .gdbinit (pvectype, pvecsize): New commands to examine vectorlike
	objects.
	(xvectype, xvecsize): Use them to examine Lisp_Object values.

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	* nsfont.m (ns_descriptor_to_entity): Qcondensed and Qexpanded has
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	been removed, so remove them here also.

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2012-11-09  Stefan Monnier  <monnier@iro.umontreal.ca>

	* doc.c (Fdocumentation): Handle new property
	dynamic-docstring-function to replace the old ad-advice-info.

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

	* fns.c (Qeql, hashtest_eq): Now static.

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2012-11-08  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lisp.h (XHASH): Redefine to be imperfect and fit in a Lisp int.
	* fns.c (hashfn_eq, hashfn_eql, sxhash):
	* profiler.c (hashfn_profiler): Don't use XUINT on non-integers.
	* buffer.c (compare_overlays): Use XLI rather than XHASH.

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2012-11-08  Paul Eggert  <eggert@cs.ucla.edu>

	Use same hash function for hashfn_profiler as for hash_string etc.
	* fns.c (SXHASH_COMBINE): Remove.  All uses replaced by sxhash_combine.
	* lisp.h (sxhash_combine): New inline function, with the contents
	of the old SXHASH_COMBINE.
	* profiler.c (hashfn_profiler): Use it, instead of having a
	special hash function containing a comparison that always yields 1.

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2012-11-08  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xfaces.c (Qultra_light, Qreverse_oblique, Qreverse_italic)
	(Qultra_condensed, Qextra_condensed, Qcondensed, Qsemi_condensed)
	(Qsemi_expanded, Qextra_expanded, Qexpanded, Qultra_expanded):
	Remove unused vars.

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2012-11-08  Jan Djärv  <jan.h.d@swipnet.se>

	* image.c (xpm_make_color_table_h): Fix compiler error because
	make_hash_table changed.

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2012-11-08  Thomas Kappler <tkappler@gmail.com> (tiny change)

	* nsfont.m (ns_findfonts): Handle empty matchingDescs (Bug#11541).

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2012-11-08  Stefan Monnier  <monnier@iro.umontreal.ca>

	Use ad-hoc comparison function for the profiler's hash-tables.
	* profiler.c (Qprofiler_backtrace_equal, hashtest_profiler): New vars.
	(make_log): Use them.
	(handle_profiler_signal): Don't inhibit quit any longer since we don't
	call Fequal any more.
	(Ffunction_equal): New function.
	(cmpfn_profiler, hashfn_profiler): New functions.
	(syms_of_profiler): Initialize them.
	* lisp.h (struct hash_table_test): New struct.
	(struct Lisp_Hash_Table): Use it.
	* alloc.c (mark_object): Mark hash_table_test fields of hash tables.
	* fns.c (make_hash_table): Take a struct to describe the test.
	(cmpfn_eql, cmpfn_equal, cmpfn_user_defined, hashfn_eq, hashfn_eql)
	(hashfn_equal, hashfn_user_defined): Adjust to new calling convention.
	(hash_lookup, hash_remove_from_table): Move assertion checking of
	hashfn result here.  Check hash-equality before calling cmpfn.
	(Fmake_hash_table): Adjust call to make_hash_table.
	(hashtest_eq, hashtest_eql, hashtest_equal): New structs.
	(syms_of_fns): Initialize them.
	* emacs.c (main): Move syms_of_fns earlier.
	* xterm.c (syms_of_xterm):
	* category.c (hash_get_category_set): Adjust call to make_hash_table.
	* print.c (print_object): Adjust to new hash-table struct.
	* composite.c (composition_gstring_put_cache): Adjust to new hashfn.

Eli Zaretskii's avatar
Eli Zaretskii committed
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2012-11-08  Eli Zaretskii  <eliz@gnu.org>

	* w32fns.c (modifier_set): Fix handling of Scroll Lock when the
	value of w32-scroll-lock-modifier is neither nil nor one of the
	known key modifiers.  (Bug#12806)

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2012-11-08  Dmitry Antipov  <dmantipov@yandex.ru>

	Shrink struct vectorlike_header to the only size field.
	* lisp.h (enum pvec_type): Avoid explicit enum member values.
	Adjust comment.
	(enum More_Lisp_Bits): Change PSEUDOVECTOR_SIZE_BITS and
	PVEC_TYPE_MASK to arrange new bitfield in the vector header.
	(PSEUDOVECTOR_REST_BITS, PSEUDOVECTOR_REST_MASK): New members.
	(PSEUDOVECTOR_AREA_BITS): New member used to extract subtype
	information from the vector header.  Adjust comment.
	(XSETPVECTYPE, XSETPVECTYPESIZE, XSETTYPED_PSEUDOVECTOR)
	(PSEUDOVECTOR_TYPEP, DEFUN): Adjust to match new vector header
	layout.
	(XSETSUBR, SUBRP): Adjust to match new Lisp_Subr layout.
	(struct vectorlike_header): Remove next member.  Adjust comment.
	(struct Lisp_Subr): Add convenient header.  Adjust comment.
	(allocate_pseudovector): Adjust prototype.
	* alloc.c (mark_glyph_matrix, mark_face_cache, allocate_string)
	(sweep_string, lisp_malloc): Remove useless prototypes.
	(enum mem_type): Adjust comment.
	(NEXT_IN_FREE_LIST): New macro.
	(SETUP_ON_FREE_LIST): Adjust XSETPVECTYPESIZE usage.
	(Fmake_bool_vector): Likewise.
	(struct large_vector): New type to represent allocation unit for
	the vectors with the memory footprint more than VBLOOCK_BYTES_MAX.
	(large_vectors): Change type to struct large_vector.
	(allocate_vector_from_block): Simplify.
	(PSEUDOVECTOR_NBYTES): Replace with...
	(vector_nbytes): ...new function.  Adjust users.
	(sweep_vectors): Adjust processing of large vectors.
	(allocate_vectorlike): Likewise.
	(allocate_pseudovector): Change type of 3rd arg to enum pvec_type.
	Add easserts.  Adjust XSETPVECTYPESIZE usage.
	(allocate_buffer): Use BUFFER_PVEC_INIT.
	(live_vector_p): Adjust to match large vector.
	* buffer.c (init_buffer_once): Use BUFFER_PVEC_INIT.
	* buffer.h (struct buffer): Add next member.
	(BUFFER_LISP_SIZE, BUFFER_REST_SIZE, BUFFER_PVEC_INIT):
	New macros.
	(FOR_EACH_BUFFER): Adjust to match struct buffer change.
	* fns.c (internal_equal): Adjust to match enum pvec_type change.
	(copy_hash_table): Adjust to match vector header change.
	* lread.c (defsubr): Use XSETPVECTYPE.
	* .gdbinit (xpr, xbacktrace): Adjust to match vector header change.
	(xvectype): Likewise.  Print PVEC_NORMAL_VECTOR for regular vectors.
	(xvecsize): New command.

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2012-11-08  Dmitry Antipov  <dmantipov@yandex.ru>

	* keyboard.c (event_to_kboard): Do not dereference
	frame_or_window field of SELECTION_REQUEST_EVENT
	and SELECTION_CLEAR_EVENT events (Bug#12814).
	* xterm.h (struct selection_input_event): Adjust comment.

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2012-11-07  Eli Zaretskii  <eliz@gnu.org>

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	* w32fns.c (modifier_set): Don't report modifiers from toggle key,
	such as Scroll Lock, if the respective keys are treated as
	function keys, not as modifiers.  This avoids destroying non-ASCII
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	keyboard input when Scroll Lock is toggled ON.  (Bug#12806)
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2012-11-07  Dmitry Antipov  <dmantipov@yandex.ru>

	* xfns.c (Fx_wm_set_size_hint): Use check_x_frame.  Adjust docstring.

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2012-11-06  Paul Eggert  <eggert@cs.ucla.edu>

	Restore some duplicate definitions (Bug#12814).
	This undoes part of the 2012-11-03 changes.  Some people build
	with plain -g rather than with -g3, and they need the duplicate
	definitions for .gdbinit to work; see <http://bugs.gnu.org/12814#26>.
	* lisp.h (GCTYPEBITS, ARRAY_MARK_FLAG, PSEUDOVECTOR_FLAG, VALMASK):
	Define as macros, as well as as enums or as constants.

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2012-11-06  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (convert_ns_to_X_keysym, keyDown:): Add NSNumericPadKeyMask
	to keypad keys (Bug#12816).

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2012-11-06  Paul Eggert  <eggert@cs.ucla.edu>

	Minor adjustments of recently-changed frame functions.
	* buffer.c (Fbuffer_list): Omit CHECK_FRAME, since arg is already
	known to be a frame (we're in the FRAMEP branch).
	* lisp.h (Qframep): Remove decl.  frame.h declares this.
	* window.c (quad): Args are of type EMACS_INT, not ptrdiff_t,
	since they're meant for Lisp fixnum values.

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2012-11-06  Dmitry Antipov  <dmantipov@yandex.ru>

	* window.c (Fwindow_combination_limit): Revert to the only
	required argument and adjust docstring as suggested in
	http://lists.gnu.org/archive/html/emacs-diffs/2012-11/msg01082.html
	by Martin Rudalics <rudalics@gmx.at>.

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2012-11-06  Dmitry Antipov  <dmantipov@yandex.ru>

	Widely used frame validity and checking functions.
	* frame.h (decode_live_frame, decode_any_frame): Add prototypes.
	* frame.c (decode_live_frame, decode_any_frame): New functions.
	(delete_frame, Fredirect_frame_focus, Fframe_parameters)
	(Fframe_parameter, Fframe_char_height, Fframe_char_width)
	(Fframe_pixel_height, Fframe_pixel_width, Ftool_bar_pixel_width)
	(Fframe_pointer_visible_p): Use decode_any_frame.
	(Fmake_frame_visible, Fmake_frame_invisible, Ficonify_frame)
	(Fraise_frame, Flower_frame, Fmodify_frame_parameters)
	(Fset_frame_height, Fset_frame_width): Use decode_live_frame.
	(Fframe_focus): Likewise.  Allow zero number of arguments.
	Adjust docstring.
	(frame_buffer_list, frame_buffer_predicate): Remove.
	* lisp.h (frame_buffer_predicate): Remove prototype.
	* buffer.c (Fother_buffer): Use decode_any_frame.
	* xdisp.c (Ftool_bar_lines_needed): Likewise.
	* xfaces.c (Fcolor_gray_p, Fcolor_supported_p): Likewise.
	* font.c (Ffont_face_attributes, Ffont_family_list, Fopen_font)
	(Fclose_font, Ffont_info): Use decode_live_frame.
	* fontset.c (check_fontset_name): Likewise.
	* terminal.c (Fframe_terminal): Likewise.
	* w32fns.c (check_x_frame): Likewise.
	* window.c (Fminibuffer_window, Fwindow_at)
	(Fcurrent_window_configuration): Likewise.
	(Frun_window_configuration_change_hook, Fwindow_resize_apply):
	Likewise.  Allow zero number of arguments.  Adjust docstring.
	* dispnew.c (Fredraw_frame): Likewise.
	* xfaces.c (frame_or_selected_frame): Remove.
	(Fx_list_fonts, Finternal_get_lisp_face_attribute, Fface_font)
	(Finternal_lisp_face_equal_p, Finternal_lisp_face_empty_p)
	(Fframe_face_alist): Use decode_live_frame.
	* xfns.c (check_x_frame): Likewise.

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2012-11-06  Dmitry Antipov  <dmantipov@yandex.ru>

	* window.c (quad): New function.
	(Fwindow_edges, Fwindow_pixel_edges, Fwindow_inside_edges)
	(Fwindow_absolute_pixel_edges, Fwindow_inside_absolute_pixel_edges)
	(Fwindow_inside_pixel_edges, Fpos_visible_in_window_p)
	(Fwindow_line_height): Use it.
	(Fwindow_fringes): Use list3.
	(Fwindow_scroll_bars): Use list4.
	(Fwindow_frame, Fwindow_top_child, Fwindow_left_child)
	(Fwindow_combination_limit): Allow zero number of arguments.

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2012-11-05  Eli Zaretskii  <eliz@gnu.org>

	* makefile.w32-in ($(BLD)/w32fns.$(O)): Depend on $(NT_INC)/unistd.h.

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	* w32fns.c: Include unistd.h, to avoid compiler warnings on Cygwin.
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	(emacs_abort) [CYGWIN]: Don't call _open_osfhandle; instead, use
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	file descriptor 2 for standard error.  (Bug#12805)
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2012-11-05  Chong Yidong  <cyd@gnu.org>

	* process.c (wait_reading_process_output): Revert previous change.

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2012-11-05  Paul Eggert  <eggert@cs.ucla.edu>

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	Assume at least POSIX.1-1988 for getpgrp, setpgid, setsid (Bug#12800).
	This removes code that has been obsolete since around 1990.
	* callproc.c (Fcall_process):
	* emacs.c (main):
	* process.c (create_process):
	* term.c (dissociate_if_controlling_tty):
	Assume setsid exists.
	* callproc.c (child_setup): Assume setpgid exists and behaves as
	per POSIX.1-1988 or later.
	* conf_post.h (setpgid) [!HAVE_SETPGID]: Remove.
	* emacs.c (shut_down_emacs):
	* sysdep.c (sys_suspend, init_foreground_group):
	Assume getpgrp behaves as per POSIX.1-1998 or later.
	* msdos.c (setpgrp): Remove.
	(tcgetpgrp, setpgid, setsid): New functions.
	* systty.h (EMACS_GETPGRP): Remove.  All callers now use getpgrp.
	* term.c (no_controlling_tty): Remove; unused.
	* w32proc.c (setpgrp): Remove.
	(setsid, tcgetpgrp): New functions.

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	Simplify by assuming __fpending.
	* dispnew.c: Include <fpending.h>, not <stdio_ext.h>.
	(update_frame_1): Use __fpending, not PENDING_OUTPUT_COUNT.
	Do not assume that __fpending's result fits in int.

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2012-11-04  Paul Eggert  <eggert@cs.ucla.edu>

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	Remove EMACS_OUTQSIZE+sleep hack.
	* dispnew.c (update_frame_1): Remove hack for terminals slower
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	than 2400 bps, which throttled Emacs by having it sleep.
	This code hasn't worked since at least 2007, when the multi-tty stuff
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	was added, and anyway those old terminals are long dead.
	* systty.h (EMACS_OUTQSIZE): Remove; unused.  The macro isn't used even
	without the dispnew.c change, as dispnew.c doesn't include systty.h.

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	Fix data-loss with --version (Bug#9574).
	* emacs.c (close_output_streams): Use strerror, not emacs_strerror,
	as we can't assume that emacs_strerror is initialized, and strerror
	is good enough here.
	(main): Invoke atexit earlier, to catch earlier instances of
	sending data to stdout and exiting, e.g., "emacs --version >/dev/full".

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2012-11-04  Michael Marchionna  <tralfaz@pacbell.net>

	* nsterm.m: Add NSClearLineFunctionKey and keypad keys (Bug#8680).
	(keyDown): Remap keypad keys to X11 virtual key codes.

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2012-11-03  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix data-loss with --batch (Bug#9574).
	* emacs.c: Include <close-stream.h>.
	(close_output_streams): New function.
	(main): Pass it to atexit, so that Emacs closes stdout and stderr
	and handles errors appropriately.
	(Fkill_emacs): Don't worry about flushing, as close_output_stream
	does that now.

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	Fix a race condition that causes Emacs to mess up glib (Bug#8855).
	The symptom is a diagnostic "GLib-WARNING **: In call to
	g_spawn_sync(), exit status of a child process was requested but
	SIGCHLD action was set to SIG_IGN and ECHILD was received by
	waitpid(), so exit status can't be returned."  The diagnostic
	is partly wrong, as the SIGCHLD action is not set to SIG_IGN.
	The real bug is a race condition between Emacs and glib: Emacs
	does a waitpid (-1, ...) and reaps glib's subprocess by mistake,
	so that glib can't find it.  Work around the bug by invoking
	waitpid only on subprocesses that Emacs itself creates.
	* process.c (create_process, record_child_status_change):
	Don't use special value -1 in pid field, as the caller now must
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	know the pid rather than having the callee infer it.
	The inference was sometimes incorrect anyway, due to another race.
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	(create_process): Set new 'alive' member if child is created.
	(process_status_retrieved): New function.
	(record_child_status_change): Use it.
	Accept negative 1st argument, which means to wait for the
	processes that Emacs already knows about.  Move special-case code
	for DOS_NT (which lacks WNOHANG) here, from caller.  Keep track of
	processes that have already been waited for, by testing and
	clearing new 'alive' member.
	(CAN_HANDLE_MULTIPLE_CHILDREN): Remove, as record_child_status_change
	now does this internally.
	(handle_child_signal): Let record_child_status_change do all
	the work, since we do not want to reap all exited child processes,
	only the child processes that Emacs itself created.
	* process.h (Lisp_Process): New boolean member 'alive'.

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	Omit duplicate definitions no longer needed with gcc -g3.
	* lisp.h (GCTYPEBITS, GCALIGNMENT, ARRAY_MARK_FLAG, PSEUDOVECTOR_FLAG)
	(VALMASK, MOST_POSITIVE_FIXNUM, MOST_NEGATIVE_FIXNUM):
	Define only as macros.  There's no longer any need to also define
	these symbols as enums or as constants, since we now assume
	gcc -g3 when debugging.

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2012-11-03  Eli Zaretskii  <eliz@gnu.org>

	* lisp.mk: Adjust comments to the fact that term/internal is now
	loaded from loadup.el.

	* msdos.c (msdos_abort): Rename from emacs_abort, and make static.
	(msdos_fatal_signal): New function.
	(XMenuActivate): Adjust the call to kbd_buffer_events_waiting to
	its argument list.

	* conf_post.h (_GL_EXECINFO_INLINE) [MSDOS]: Define to "inline"
	for GCC versions before 4.
	(emacs_raise): Define to call msdos_fatal_signal.

	* xdisp.c (init_from_display_pos): Fix initialization of the bidi
	iterator when starting in the middle of a display or overlay
	string.  (Bug#12745)

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2012-11-03  Chong Yidong  <cyd@gnu.org>

	* process.c (wait_reading_process_output): Clean up the last
	change.

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2012-11-03  Jim Paris  <jim@jtan.com>  (tiny change)

	* process.c (wait_reading_process_output): Avoid a race condition
	with SIGIO delivery (Bug#11536).

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2012-11-03  Chong Yidong  <cyd@gnu.org>

	* buffer.c (cursor_type): Untabify docstring.

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2012-11-03  Dmitry Antipov  <dmantipov@yandex.ru>

	* frame.h (struct frame): Drop can_have_scroll_bars member
	which is meaningless for a long time.  Adjust comments.
	(FRAME_CAN_HAVE_SCROLL_BARS): Remove.
	* frame.c, nsfns.m, term.c, w32fns.c, xfns.c: Adjust users.

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2012-11-03  Dmitry Antipov  <dmantipov@yandex.ru>

	* window.c (decode_next_window_args): Update window arg after
	calling decode_live_window and so fix crash reported at
	http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00035.html
	by Juanma Barranquero <lekktu@gmail.com>.
	(Fwindow_body_width, Fwindow_body_height): Simplify a bit.
	* font.c (Ffont_at): Likewise.

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2012-11-01  Jan Djärv  <jan.h.d@swipnet.se>

	* widget.c (resize_cb): New function.
	(EmacsFrameRealize): Add resize_cb as event handler (Bug#12733).
	(EmacsFrameResize): Check if all is up to date before changing frame
	size.

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2012-11-02  Eli Zaretskii  <eliz@gnu.org>

	Implement backtrace output for fatal errors on MS-Windows.
	* w32fns.c (CaptureStackBackTrace_proc): New typedef.
	(BACKTRACE_LIMIT_MAX): New macro.
	(w32_backtrace): New function.
	(emacs_abort): Use w32_backtrace when the user chooses not to
	attach a debugger.  Update the text of the abort dialog.

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2012-11-02  Dmitry Antipov  <dmantipov@yandex.ru>

	Window-related stuff cleanup here and there.
	* dispnew.c (Finternal_show_cursor, Finternal_show_cursor_p):
	Use decode_any_window.
	* fringe.c (Ffringe_bitmaps_at_pos): Likewise.
	* xdisp.c (Fformat_mode_line): Likewise.
	* font.c (Ffont_at): Use decode_live_window.
	* indent.c (Fcompute_motion, Fvertical_motion): Likewise.
	* window.c (decode_next_window_args): Likewise.
	(decode_any_window): Remove static.
	* window.h (decode_any_window): Add prototype.
	* lisp.h (CHECK_VALID_WINDOW, CHECK_LIVE_WINDOW): Move from here...
	* window.h: ...to here, redefine via WINDOW_VALID_P and WINDOW_LIVE_P,
	respectively.

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2012-11-02  Dmitry Antipov  <dmantipov@yandex.ru>

	Remove pad from struct input_event.
	* termhooks.h (struct input_event): Remove padding field.
	Adjust comment.
	* keyboard.c (event_to_kboard): Simplify because frame_or_window
	member is never cons for a long time.  Adjust comment.
	(mark_kboards): Adjust because SELECTION_REQUEST_EVENT and
	SELECTION_CLEAR_EVENT has no Lisp_Objects to mark.  Add comment.
	* xterm.c (handle_one_xevent): Do not initialize frame_or_window
	field of SELECTION_REQUEST_EVENT and SELECTION_CLEAR_EVENT.

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2012-11-01  Eli Zaretskii  <eliz@gnu.org>

	* w32proc.c (getpgrp, setpgid): New functions.  (Bug#12776)

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2012-10-31  Paul Eggert  <eggert@cs.ucla.edu>

	Fix crash when using Emacs as commit editor for git (Bug#12697).
	* callproc.c (setpgrp): Remove macro, as we now use setpgid
	and it is configured in conf_post.h.
	(Fcall_process): Don't invoke both setsid and setpgid; the former
	is enough, if it exists.
	* callproc.c (Fcall_process, child_setup):
	* process.c (create_process): Use setpgid.
	* conf_post.h (setpgid) [!HAVE_SETPGID]: New macro, which substitutes
	for the real thing.
	* dispnew.c (init_display): Initialize the foreground group
	if we are running a tty display.
	* emacs.c (main): Do not worry about setpgrp; init_display does it now.
	* lisp.h (init_foreground_group): New decl.
	* sysdep.c (inherited_pgroup): New static var.
	(init_foreground_group, tcsetpgrp_without_stopping)
	(narrow_foreground_group, widen_foreground_group): New functions.
	(init_sys_modes): Narrow foreground group.
	(reset_sys_modes): Widen foreground group.

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2012-10-31  Michael Albinus  <michael.albinus@gmx.de>

	* dbusbind.c: Fix cut'n'waste error.  Use HAVE_DBUS_VALIDATE_INTERFACE.

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2012-10-31  Martin Rudalics  <rudalics@gmx.at>

	* minibuf.c (read_minibuf): Restore current buffer since
	choose_minibuf_frame calling Fset_frame_selected_window may
	change it (Bug#12766).

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2012-10-30  Jan Djärv  <jan.h.d@swipnet.se>

	* frame.c (Fframe_pixel_height): Fix documentation (Bug#12733).

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2012-10-30  Kenichi Handa  <handa@gnu.org>

	* font.c (Ffont_at): If WINDOW is specified and it is not
	displaying the current buffer, signal an error.

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2012-10-29  Daniel Colascione  <dancol@dancol.org>

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	* cygw32.h, cygw32.c (Qutf_16le, from_unicode, to_unicode):
	In preparation for fixing bug#12739, move these functions from
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	here...

	* coding.h, coding.c: ... to here, and compile them only when
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	WINDOWSNT or CYGWIN.  Moving these functions out of cygw32 proper
	lets us write cygw32-agnostic code for the HAVE_NTGUI case.
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2012-10-28  Eli Zaretskii  <eliz@gnu.org>

	* w32proc.c (TIMER_TICKS_PER_SEC): New macro.
	(timer_loop, getitimer, setitimer): Use it instead of
	CLOCKS_PER_SEC, which is no longer pertinent, since we don't use
	'clock'.
	(w32_get_timer_time): Use 10*TIMER_TICKS_PER_SEC instead of a
	literal 10000.

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2012-10-28  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (NO_APPDEFINED_DATA): New define.
	(last_appdefined_event_data): New variable
	(last_appdefined_event): Remove.
	(ns_select): Initialize t from last_appdefined_event_data instead
	of [last_appdefined_event data1].
	(sendEvent:): Save [theEvent data1] to last_appdefined_event_data,
	remove last_appdefined_event (Bug#12698).

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2012-10-28  Stefan Monnier  <monnier@iro.umontreal.ca>

	* frame.c (x_set_font): Catch internal error.

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2012-10-27  Eli Zaretskii  <eliz@gnu.org>

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	Avoid overflow in w32 implementation of interval timers.
	When possible, for ITIMER_PROF count only times the main thread
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	actually executes.
	* w32proc.c <struct itimer_data>: 'expire' and 'reload' are now
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	'volatile ULONGLONG' types.  All the other data which was
	previously clock_t is now ULONGLONG.  'terminate' is 'volatile int'.
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	(GetThreadTimes_Proc): New typedef.
	(w32_get_timer_time): New function, returns a suitable time value
	for the timer.
	(timer_loop): Enter critical section when accessing ULONGLONG
	values of the itimer_data struct, as these accesses are no longer
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	atomic.  Call 'w32_get_timer_time' instead of 'clock'.
	Remove unused variable.
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	(init_timers): Initialize s_pfn_Get_Thread_Times.
	(start_timer_thread): Don't assign itimer->caller_thread here.
	(getitimer): Assign itimer->caller_thread here.
	(setitimer): Always call getitimer to get the value of ticks_now.
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	(sys_spawnve): Avoid compiler warning about format mismatch.
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2012-10-26  Eli Zaretskii  <eliz@gnu.org>

	* w32fns.c (w32_wnd_proc) <WM_MOUSEMOVE>: Don't enable tracking of
	mouse movement events if the menu bar is active.  This avoids
	producing a busy "hour-glass" cursor by Windows if the mouse
	pointer is positioned over a tooltip shown for some menu item.

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2012-10-25  Paul Eggert  <eggert@cs.ucla.edu>

	Don't assume process IDs fit in int.
	* emacs.c (shut_down_emacs) [!DOS_NT]:
	* sysdep.c (sys_suspend) [SIGTSTP && !MSDOS]:
	* term.c (dissociate_if_controlling_tty) [!DOS_NT]:
	Use pid_t, not int, to store process IDs, as 'int'
	is not wide enough on a few platforms (e.g., AIX and IRIX).

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2012-10-23  Kenichi Handa  <handa@gnu.org>

	The following change is to make face-font-rescale-alist work
	correctly for non-ASCII fonts.

	* font.c (font_open_entity): Don't handle Vface_font_rescale_alist.
	(font_open_for_lface): Handle Vface_font_rescale_alist.

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2012-10-23  Chong Yidong  <cyd@gnu.org>

	* xfaces.c (Vfont_list_limit): Move unused variable to faces.el.

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2012-10-21  Jan Djärv  <jan.h.d@swipnet.se>

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	* nsfont.m (nsfont_open, ns_glyph_metrics): Force integer advancement
	for screen font.
	(nsfont_draw): Turn off LCD-smoothing (Bug#11484).

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	* xterm.c (x_focus_changed): Check if daemonp when sending focus in
	event (Bug#12681).

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2012-10-21  Glenn Morris  <rgm@gnu.org>

	* lisp.mk (lisp): Add cp51932.el and eucjp-ms.el.

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2012-10-20  Paul Eggert  <eggert@cs.ucla.edu>

	Port to OpenBSD 5.1.
	* frame.c (Fmouse_position, Fmouse_pixel_position):
	* xdisp.c (produce_stretch_glyph):
	Declare local vars only when they're needed.
	This is clearer and avoids a warning on OpenBSD about unused vars.
	* frame.h (FRAME_WINDOW_P): Always evaluate its argument.
	This is safer, and avoids OpenBSD warnings about unused vars.
	* keyboard.c (record_menu_key): Remove unnecessary decl.
	(poll_timer): Define only if POLL_FOR_INPUT is defined.
	* unexelf.c (ELFSIZE) [!ElfW]: Do not define if already defined,
	as our definition clashes with OpenBSD's.
	* xfaces.c (load_face_colors, check_lface_attrs)
	(get_lface_attributes_no_remap, get_lface_attributes)
	(lface_fully_specified_p, x_supports_face_attributes_p)
	(tty_supports_face_attributes_p, face_fontset, realize_face)
	(realize_x_face, realize_tty_face):
	Declare parameters to be Lisp_Object[LFACE_VECTOR_SIZE], not
	merely Lisp_Object *.  This is more informative and avoids
	a warning on OpenBSD about accessing beyond an object's size.

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2012-10-20  Chong Yidong  <cyd@gnu.org>

	* lread.c (Fload): Doc fix (Bug#12592).

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2012-10-19  Kazuhiro Ito  <kzhr@d1.dion.ne.jp>  (tiny change)
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	* font.c (Ffont_at): Fix previous change.

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2012-10-19  Eli Zaretskii  <eliz@gnu.org>

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	* puresize.h (BASE_PURESIZE): Bump the base value to 1700000.
	See http://lists.gnu.org/archive/html/emacs-devel/2012-10/msg00593.html
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	for the reasons.

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	* alloc.c (NSTATICS): Decrease to 0x800.

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2012-10-19  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fns.c (Fnreverse): Include the problem element when signalling an
	error (bug#12677).

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2012-10-18  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_select): Check writefds before call to
	FD_ISSET (Bug#12668).

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2012-10-18  Daniel Colascione  <dancol@dancol.org>

	* alloc.c (NSTATICS): Increase from 0x650 to 0x1000
	(staticpro): If we run out of staticpro slots, die with an
	informative error instead of just calling emacs_abort.

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2012-10-18  Martin Rudalics  <rudalics@gmx.at>

	Fix two flaws reported by Dmitry Antipov.
	* window.c (Ftemp_output_buffer_show): Remove.
	(Fwindow_vscroll, Fset_window_vscroll): Use decode_live_window.
	(syms_of_window): Remove defsubr for Stemp_output_buffer_show.

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2012-10-17  Eli Zaretskii  <eliz@gnu.org>

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	* makefile.w32-in ($(BLD)/w32.$(O)):
	($(BLD)/vm-limit.$(O)):
	($(BLD)/term.$(O)):
	($(BLD)/unexw32.$(O)):
	($(BLD)/fileio.$(O)):
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	($(BLD)/dispnew.$(O)): Update dependencies.

	* w32term.h (w32_initialize_display_info, initialize_w32_display):
	Add prototypes.

	* w32proc.c: Include ctype.h.

	* w32.h (init_environment, check_windows_init_file)
	(syms_of_ntproc, syms_of_ntterm, dostounix_filename)
	(unixtodos_filename, init_winsock, srandom, random, sys_pipe)
	(set_process_dir, sys_spawnve, register_child, sys_sleep, getwd)
	(sys_link): Add prototypes.

	* w32.c: Include w32select.h.
	(sys_access, e_malloc, sys_select): Add prototypes.
	(emacs_gnutls_pull): 'timeout' is now EMACS_TIME, not struct timeval.

	* vm-limit.c [WINDOWSNT]: Include w32heap.h.

	* unexw32.c: Include lisp.h and w32.h.

	* term.c [WINDOWSNT]: Include w32term.h.

	* process.c [WINDOWSNT]: Add prototype of sys_select.

	* fileio.c [WINDOWSNT]: Include w32.h.

	* dispnew.c [WINDOWSNT]: Include w32.h.

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	* cygw32.c (Fcygwin_convert_path_to_windows)
	(Fcygwin_convert_path_from_windows): Use EQ to compare 2
	Lisp_Object values.  (Bug#12661)

	* w32fns.c (w32_msg_pump): Use XIL instead of casting an integer
	to Lisp_Object.  (Bug#12661)

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2012-10-17  Kenichi Handa  <handa@gnu.org>

	* xdisp.c (reseat_1): Make the information stored in it->cmp_it
	invalidate.

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2012-10-17  Dmitry Antipov  <dmantipov@yandex.ru>

	* buffer.c (Fkill_buffer): When unchaining the marker,
Juanma Barranquero's avatar
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	reset its buffer pointer to NULL (Bug#12652).
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2012-10-17  Dmitry Antipov  <dmantipov@yandex.ru>

	Do not verify indirection counters of killed buffers (Bug#12579).
	* buffer.h (BUFFER_CHECK_INDIRECTION): New macro.
	* buffer.c (compact_buffer, set_buffer_internal_1): Use it.

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2012-10-16  Dmitry Antipov  <dmantipov@yandex.ru>

	* alloc.c (Fmake_byte_code): Fix typo in comment.
	* print.c (print_interval): Define as static to match prototype.
	* indent.c (disptab_matches_widthtab, recompute_width_table):
	Convert to eassert.

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2012-10-16  Dmitry Antipov  <dmantipov@yandex.ru>

	* editfns.c (get_system_name): Remove.
	* lisp.h (get_system_name): Remove prototype.
	* xrdb.c (getenv, getpwuid, getpwnam): Remove prototypes.
	(get_environ_db): Use Vsystem_name.  Avoid call to strlen.

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2012-10-15  Daniel Colascione  <dancol@dancol.org>

	* dbusbind.c: Add comment explaining reason for previous change.

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2012-10-15  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fwindow_end): Rewrite check whether cached position
	can be used (Bug#12600).
	(resize_frame_windows, grow_mini_window, shrink_mini_window):
	Set windows_or_buffers_changed.

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2012-10-15  Daniel Colascione  <dancol@dancol.org>

	* dbusbind.c: Fix cygw32 build break when compiling with dbus
	enabled by undefining the symbol "interface", which the platform
	headers define to something incompatible.

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2012-10-14  Daniel Colascione  <dancol@dancol.org>

	* image.c (init_tiff_functions, init_imagemagick_functions)
	(init_svg_functions): Fix cygw32 build break by using these
	functions only when WINDOWSNT _and_ HAVE_NTGUI.

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2012-10-14  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (ns_select): Count fd:s in writefs also (Bug#12422).

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2012-10-13  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_set_widget_bg): Divide by 65535 (Bug#12612).

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2012-10-13  HANATAKA, Shinya  <bogytech@gmail.com>  (tiny change)

	* coding.c (detect_coding): Set coding->id before calling
	this->detector.

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Andreas Schwab committed
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2012-10-13  Andreas Schwab  <schwab@linux-m68k.org>

	* fileio.c: Formatting fixes.

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2012-10-13  Paul Eggert  <eggert@cs.ucla.edu>

	Fix some stat-related races.
	* fileio.c (Fwrite_region): Avoid race condition if a file is
	removed or renamed by some other process immediately after Emacs
	writes it but before Emacs stats it.  Do not assume that stat (or
	fstat) succeeds.
	* image.c (slurp_file): Resolve the file name with fopen + fstat
	rather than stat + fopen.
	(pbm_read_file) [0]: Remove unused code with stat race.
	* process.c (allocate_pty) [HAVE_PTYS && !PTY_ITERATION && !PTY_OPEN]:
	Remove ineffective code with stat race.

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2012-10-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* doc.c (get_doc_string): Don't signal an error if the file is missing.

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2012-10-12  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (hold_event_q): New static variable.
	(EV_TRAILER, sendScrollEventAtLoc:fromEvent:): Call hold_event if
	! q_event_ptr.
	(hold_event): New function.
	(ns_read_socket): If hold_event_q have events, store them and
	return (Bug#12384).
	(setPosition:portion:whole:): Send SIGIO to ourselves if apploopnr
	is zero (Bug#12384).

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2012-10-12  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/w32select.$(O)): Update dependencies.

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2012-10-12  Eli Zaretskii  <eliz@gnu.org>

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	* makefile.w32-in ($(BLD)/fileio.$(O)): Add sys/file.h.

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	* fileio.c (check_existing): New function.
	(make_temp_name, Ffile_exists_p, Ffile_writable_p): Call it
	instead of calling 'stat', when what's needed is to check whether
	a file exists.  This avoids expensive system calls on MS-Windows.
	(Bug#12587)

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	* w32.c (init_environment): Call 'check_existing' instead of 'stat'.
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	* lread.c (openp) [WINDOWSNT]: Call 'access' instead of 'stat' to
	determine whether a file exists and is not a directory.

	* lisp.h (check_existing): Add prototype.

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2012-10-12  Jan Djärv  <jan.h.d@swipnet.se>

	* nsfont.m (nsfont_open): Remove font cache, it is not GC correct.

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2012-10-12  Glenn Morris  <rgm@gnu.org>

	* buffer.c (Fset_buffer): Doc fix.  (Bug#12624)

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2012-10-11  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* buffer.c (Fkill_buffer): Null out the overlay list(s) as well.

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	* eval.c (Fautoload): Remember previous autoload status in load-history.

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