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2012-11-17  Eli Zaretskii  <eliz@gnu.org>

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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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2012-11-10  Martin Rudalics  <rudalics@gmx.at>
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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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2012-11-10  Eli Zaretskii  <eliz@gnu.org>
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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
	scroll margin within a reasonable number of screen lines.  Fixes
	point position in window under scroll-up/down-aggressively when
	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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2012-11-09  Jan Djärv  <jan.h.d@swipnet.se>

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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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Paul Eggert committed
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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.

Eli Zaretskii's avatar
Eli Zaretskii committed
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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,
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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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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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2012-10-11  Paul Eggert  <eggert@cs.ucla.edu>

	lread.c, macros.c, marker.c, menu.c, minibuf.c: Use bool for booleans.
	* lread.c (load_each_byte, new_backquote_flag, readchar)
	(read_filtered_event, lisp_file_lexically_bound_p)
	(safe_to_load_version, Fload, complete_filename_p, openp)
	(build_load_history, readevalloop, read_escape, read1)
	(string_to_number, read_vector, read_list):
	* macros.c (Fstart_kbd_macro):
	* marker.c (CONSIDER):
	* menu.c (parse_single_submenu, digest_single_submenu)
	(find_and_return_menu_selection, Fx_popup_menu):
	* minibuf.c (read_minibuf_noninteractive, read_minibuf)
	(Ftry_completion):
	* nsmenu.m (ns_update_menubar, runMenuAt:forFrame:keymaps:):
	(ns_menu_show):
	* xmenu.c (set_frame_menubar, create_and_show_popup_menu)
	(xmenu_show, xdialog_show):
	Use bool for booleans.
	* lread.c (safe_to_load_version): Rename from safe_to_load_p,
	as it's not a predicate.  All uses changed.  Omit unnecessary
	buffer termination.

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2012-10-11  Dmitry Antipov  <dmantipov@yandex.ru>

	* editfns.c (save_excursion_save): Use nil if mark points to nowhere.
	(save_excursion_restore): Do not restore mark if it was not saved.

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2012-10-11  Paul Eggert  <eggert@cs.ucla.edu>

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	* marker.c (cached_modiff): EMACS_INT, not int.

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	* w32select.c (waiting_for_input): Declare by including "keyboard.h"
	instead of having a wrong decl.
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	* nsmenu.m (waiting_for_input): Remove wrong decl.

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

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	keyboard.c, keymap.c: Use bool for booleans.
	* dispnew.c (sit_for): Distinguish between 3-way display_option
	and boolean do_display.
	* keyboard.c (single_kboard, this_command_key_count_reset)
	(waiting_for_input, echoing, immediate_quit, input_pending)
	(interrupt_input, interrupts_deferred, pop_kboard)
	(temporarily_switch_to_single_kboard, ignore_mouse_drag_p)
	(command_loop_1, adjust_point_for_property)
	(safe_run_hooks_error, input_polling_used, read_char):
	(help_char_p, readable_events, kbd_buffer_events_waiting)
	(kbd_buffer_get_event, timer_check_2, make_lispy_event)
	(lucid_event_type_list_p, get_input_pending):
	(gobble_input, menu_separator_name_p, menu_bar_item)
	(parse_menu_item, parse_tool_bar_item, read_char_x_menu_prompt)
	(read_char_minibuf_menu_prompt, access_keymap_keyremap)
	(keyremap_step, test_undefined, read_key_sequence)
	(detect_input_pending, detect_input_pending_ignore_squeezables)
	(detect_input_pending_run_timers, requeued_events_pending_p)
	(quit_throw_to_read_char, Fset_input_interrupt_mode):
	* keymap.c (get_keymap, keymap_parent, keymap_memberp)
	(access_keymap_1, access_keymap, map_keymap, get_keyelt)
	(Fdefine_key, Flookup_key, struct accessible_keymaps_data)
	(accessible_keymaps_1, Fkey_description, push_key_description):
	(shadow_lookup, struct where_is_internal_data)
	(where_is_internal, Fwhere_is_internal, where_is_internal_1)
	(Fdescribe_buffer_bindings, describe_map_tree, struct describe_map_elt)
	(describe_map, describe_vector):
	* menu.c (single_menu_item):
	* nsmenu.m (ns_update_menubar):
	* process.c (wait_reading_process_output):
	* search.c (scan_buffer, scan_newline):
	Use bool for boolean.
	* keyboard.c (timers_run, swallow_events)
	(detect_input_pending_run_timers):
	* process.c (wait_reading_process_output):
	Use unsigned for counter where wraparound-on-overflow is desired,
	since unsigned is guaranteed to have that behavior and signed is not.
	(read_char): Use ptrdiff_t for string length.
	(get_input_pending): Remove first argument, since it was always
	the same pointer-to-int (now pointer-to-boolean) &input_pending,
	and behave as if it had that value.  Return new value of
	input_pending.  All callers changed.
	* keyboard.h (struct kboard): Use unsigned : 1 for boolean member
	immediate_echo.  Use ptrdiff_t for echo_after_prompt, since it's
	a string length.
	* keymap.c (push_key_description): Omit last arg, which was always 1.
	All callers changed.

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	* regex.c (immediate_quit) [emacs]: Remove duplicate decl.

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

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

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

	* alloc.c (mark_object): Use meaningful PVEC_NORMAL_VECTOR.
	* lisp.h (enum pvec_type): Adjust comments and omit explicit
	initializer for PVEC_NORMAL_VECTOR.

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

	Clean out old termopts cruft.
	* termopts.h (flow_control, meta_key): Remove unused decls.
	* dispnew.c, indent.c, nsterm.m, term.c, xsettings.c, xsmfns.c:
	Don't include termopts.h.

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

	* alloc.c (gc_sweep): Use pointer-to-a-pointer loop for buffers.

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

	* commands.h (immediate_quit): Remove duplicate decl.

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

	* nsfont.m (Vfonts_in_cache): Remove, not needed as font.c handles
	caching.
	(nsfont_open): Remove setting of Vfonts_in_cache.
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	(syms_of_nsfont): Remove initialization of Vfonts_in_cache.
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2012-10-09  Eli Zaretskii  <eliz@gnu.org>

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	* w32fns.c (w32_last_error): Change the return value to DWORD, to
	match what GetLastError returns.  Explain why the function is
	needed.

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	* frame.c (delete_frame): Rename local variable 'tooltip_frame' to
	'is_tooltip_frame', to avoid confusion with its global namesake.

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2012-10-08  Daniel Colascione  <dancol@dancol.org>

	* xdisp.c (start_hourglass): Call w32_note_current_window when
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	HAVE_NTGUI, not just WINDOWSNT, resolving a problem in the cygw32
	build that caused Emacs to display the hourglass cursor forever.
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	* w32fns.c (Fx_display_color_cells): Instead of using NCOLORS,
	which is broken under remote desktop, calculate the number of
	colors available for a display based on the display's number of
	planes and number of bits per pixel per plane.  (bug#10397).

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	* nsfont.m (Vfonts_in_cache): New variable.
	(nsfont_open): Use unsignedLongLongValue for cache in case wide ints
	are used.  Add cached fonts to Vfonts_in_cache.
	(syms_of_nsfont): Initialize and staticpro Vfonts_in_cache.

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2012-10-08  Juanma Barranquero  <lekktu@gmail.com>

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	* makefile.w32-in (LOCAL_FLAGS): Don't define HAVE_NTGUI, it's now
	in nt/config.nt.
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	(FONT_H): Define after FRAME_H.
	($(BLD)/emacs.$(O), $(BLD)/process.$(O), $(BLD)/w32heap.$(O)):
	Update dependencies.
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	* w32term.c: Remove leftover declaration of keyboard_codepage.

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2012-10-08  Eli Zaretskii  <eliz@gnu.org>

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	* makefile.w32-in (FONT_H): Add $(FRAME_H).
	(W32TERM_H): Add $(ATIMER_H) and $(FRAME_H).
	($(BLD)/emacs.$(O), $(BLD)/w32console.$(O)): Update dependencies.
	(GLOBAL_SOURCES): Add cygw32.c.
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	($(BLD)/unexw32.$(O)):
	($(BLD)/w32.$(O)):
	($(BLD)/w32console.$(O)):
	($(BLD)/w32fns.$(O)):
	($(BLD)/w32heap.$(O)):
	($(BLD)/w32menu.$(O)):
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	($(BLD)/w32proc.$(O)): Add w32common.h.
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	* w32fns.c (w32_color_map_lookup, x_to_w32_color): Argument is now
	'const char *'.
	(x_to_w32_color): Don't modify the argument, modify a copy instead.

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2012-10-08  Daniel Colascione  <dancol@dancol.org>

	* w32term.h (WM_EMACS_BRINGTOTOP, WM_EMACS_INPUT_READY)
	(WM_EMACS_END): Change WM_EMACS_BRINGTOTOP from 22 to 21 to close
	accidental message numbering hole.  Change other messages to
	match.

	* w32select.h (HAVE_W32SELECT): Remove.

	* w32select.c, w32proc.c, w32menu.c, w32console.c, w32.c: Include
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	w32common.h instead of w32heap.h.
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	* w32heap.h (ROUND_UP, ROUND_DOWN, get_page_size)
	(get_allocation_unit, get_processor_type, get_w32_major_version)
	(get_w32_minor_version, sysinfo_cache, osinfo_cache)
	(w32_major_version, w32_minor_version, w32_build_number, OS_9X)
	(OS_NT, os_subtype, cache_system_info): Move declarations to
	w32common.

	* w32heap.c: Include w32common.h.
	(sysinfo_cache, syspage_mask, osinfo_cache, w32_major_version)
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	(w32_minor_version, w32_build_number, w32_subtype):
	Remove duplicate definitions.
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	* w32fns.c: Include w32common.h; include w32heap.h only in
	WINDOWSNT.

	(Fx_file_dialog): Clarify comment on GetOpenFileName structure.
	Use `report_file_error' instead of `error' in order to better
	inform users of what went wrong.  Increase NTGUI_UNICODE file
	dialog box file name length to 32k, the maximum allowed by the NT
	kernel.

	* w32common.h: New file.
	(ROUND_UP, ROUND_DOWN, get_page_size)
	(get_allocation_unit, get_processor_type, get_w32_major_version)
	(get_w32_minor_version, sysinfo_cache, osinfo_cache)
	(w32_major_version, w32_minor_version, w32_build_number, OS_9X)
	(OS_NT, os_subtype, cache_system_info): Move here.

	* unexw32.c, unexcw.c: Include w32common.h.

	* emacs.c (main): Use (defined (WINDOWSNT) || defined
	HAVE_NTGUI) instead of removed HAVE_W32SELECT to decide whether
	to call syms_of_w32select.

	* cygw32.h: Remove obsolete EXFUN declarations.

	* cygw32.c (Qutf_16_le): Rename to Qutf_16le.

	* Makefile.in (SOME_MACHINE_OBJECTS): Reverse accidental removal
	of w32inevt.o from SOME_MACHINE_OBJECTS.

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2012-10-08  Daniel Colascione  <dancol@dancol.org>

	* image.c: Permanent fix for JPEG compilation issue --- limit
	jpeglib `boolean' redefinition to Cygwin builds.

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2012-10-08  Eli Zaretskii  <eliz@gnu.org>

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	* image.c (CHECK_LIB_AVAILABLE): Remove, no longer used.

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	* emacs.c (DAEMON_MUST_EXEC) [HAVE_NTGUI]: Define this only on
	Cygwin.

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2012-10-08  Daniel Colascione  <dancol@dancol.org>

	* xfaces.c, xdisp.c, window.c, w32xfns.c, w32term.h, w32term.c,
	w32select.h w32select.c, w32proc.c, w32menu.c, w32inevt.c,
	w32help.c, w32font.c, w32font.c, w32fns.c, w32console.c, w32.h,
	w32.c, unexw32.c, termhooks.h, process.c, menu.c, keyboard.h,
	keyboard.c, image.c, frame.h, frame.c, fontset.c, font.h, font.c,
	emacs.c, dispextern.h, cygw32.h, cygw32.c, conf_post.h,
	Makefile.in: use HAVE_NTGUI for W32 GUI and WINDOWSNT for the
	operating system.  defined(HAVE_NTGUI) && !defined(WINDOWSNT) is
	now a supported configuration.

	* Makefile.in: consolidate image variables into LIBIMAGE; add
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	W32_OBJ and W32_LIBS.  Compile new files.
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	* conf_post.h:
	(_DebPrint) declare tracing facility for W32 debugging.  We need
	to unify tracing later.

	(NTGUI_UNICODE) Define when compiling for Cygwin to allow the
	unconditional use of W32 Unicode functions.  Cygwin runs only on
	100% Unicode operating systems.

	* cygw32.c: New file.  Define Cygwin-specific facilities.
	(Fcygwin_convert_path_to_windows)
	(Fcygwin_convert_path_from_windows): New user functions for
	accessing Cygwin path-munging routines.

	* cygw32.h: New file.
	(WCSDATA, to_unicode, from_unicode): Define facilities for storing
	UTF-16LE strings temporarily inside non-Lisp-visible string
	objects.

	(w32_strerror): Just what it says on the tin.

	* emacs.c: Make the NS fork-then-exec code for daemon-launching
	also run for Cygwin; both systems have the same problem with using
	GUI facilities in a forked child.  Also call syms_of_cygw32,
	syms_of_w32select in correct places.

	(DAEMON_MUST_EXEC): new macro defined to signal that a platform
	needs fork-then-exec for daemon launching.

	* font.h: Include frame.h.

	* image.c: Use the image library cache machinery only when we're
	compiling for native WINDOWSNT; Cygwin can use shared libraries
	like any other Unixlike system.

	* keyboard.c: Clarify a comment regarding the input loop.

	* menu.c: When NTGUI_UNICODE is defined, use Unicode menu
	functions directly instead of trying to detect at runtime that our
	host operating system supports them.  We make this change for two
	reasons: Cygwin lacks support for the multibyte character
	conversion functions used by the legacy menu code, and Cygwin
	never needs to rely on non-Unicode APIs.

	* unexw32.c (hinst): Declare extern.

	* w32.c: Change header order;
	(w32_strerror): Move to w32fns.c because we need it for
	non-WINDOWSNT builds.

	* w32.h: Add #error macro to make sure we don't include w32.h for
	Cygwin builds.  Remove w32select declarations.

	* w32console.c (w32_sys_ring_bell, Fset_message_beep): Move to
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	w32fns.c.  w32console.c is WINDOWSNT-only.
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	* w32fns.c: Include cygw32.h or w32.h depending on CYGWIN; more
	NTGUI_UNICODE tweaks.  (See above.) Change _snprintf to the more
	POSIXy alternative.
	(faked_key, sysinfo_cache, osinfo_cahce, syspage_mask)
	(w32_major_version, w32_minor_version, w32_build_number)
	(os_subtype, sound_type): Define here
	(w32_defined_color): Make color parameter const for consistency
	with other _defined_color functions.
	(w32_createwindow): Unconditionally call w32_init_class instead of
	doing so only when hprevinst is non-NULL.  Plumbing hprevinst
	through the code is complex and unnecessary because class
	registration is practically free.
	(w32_name_of_message): New EMACSDEBUG-only function.
	(Fset_message_beep): Move here
	(Fx_open_connection): Require that the display name for Windows be
	"w32" for consistency, emacsclient disambiguation, and maybe, one
	day, multi-window-system support.
	(file_dialog_callback): NTGUI_UNICODE changes; encode and decode
	Cygwin files for W32 GUI facilities, since these clearly don't
	expect Cygwin names.
	(_DebPrint): Define.
	(w32_strerror, w32_console_toggle_lock_key, w32_kbd_mods_to_emacs)
	(w32_kbd_patch_key, w32_sys_ring_bell): Move here.
	(Ssystem_move_file_to_trash): Define only for native WINDOWSNT.
	(w32_last_error): Remove.

	* w32font.c: Define _strlwr to strlwr for non-WINDOWSNT builds.

	* w32heap.c (syspage_mask): Declare here.
	(cache_system_info): Remove.

	* w32inevt.c (faked_key): Define globally, not statically.
	(w32_kbd_mods_to_emacs, w32_kbd_patch_key, faked_key)
	(w32_console_toggle_lock_key): Move to w32fns.c.

	* w32menu.c: Include setjmp.h.  NTGUI_UNICODE changes throughout.

	* w32proc.c (_DebPrint): Move to w32fns.c.
	* w32select.c: Include string.h, stdio.h for Cygwin.
	* w32select.h: New File.

	* w32term.c: Include io.h for non-CYGWIN builds; needed for
	get_osfhandle.
	(w32_message_fd): New variable.  Under Cygwin, holds the file
	descriptor the system used to tell us about pending thread
	messages.

	(w32_init_term): Remove incorrect calls to fcntl and init_sigio
	that prevented compilation under non-WINDOWSNT systems.

	(w32_initialize): Open /dev/windows and assign it to
	w32_message_fd.  Provide w32 feature.

	* w32term.h: Include frame.h, atimer.h.  Declare various frame functions.
	(WM_EMACS_INPUT_READY): add.
	(prepend_msg, w32_message_fd): Declare globally.

	* w32xfns.c:
	(keyboard_handle): Use only when WINDOWSNT.
	(notify_msg_ready): New function.  Posts a message to the main
	thread's message queue under CYGWIN, which wakes up the main
	thread from select(2) by making the /dev/windows file descriptor
	ready.  Under WINDOWSNT, it sets an event the same way the old
	code did.

	(post, prepend_msg): Actually call notify_msg_ready instead of
	setting the input event directly.

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2012-10-07  Eli Zaretskii  <eliz@gnu.org>

	* ralloc.c (relinquish): If a heap is ready to be relinquished,
	but it still has blocs in it, don't return it to the system,
	instead of aborting.  (Bug#12402)

Jan Djärv's avatar
Jan Djärv committed
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2012-10-07  Jan Djärv  <jan.h.d@swipnet.se>

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	* nsterm.m (ns_dumpglyphs_image): Only draw slice of image (Bug#12506).
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	* nsterm.m (ns_update_auto_hide_menu_bar): Remove defintion of
	MAC_OS_X_VERSION_10_6.
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	(syms_of_nsterm): Remove comment about Panther and above for
	ns-antialias-text.
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	* nsterm.h (MAC_OS_X_VERSION_10_3, onTiger): Remove.
	(EmacsApp): Remove check for >= MAC_OS_X_VERSION_10_4.
	(struct nsfont_info): Remove check for >= MAC_OS_X_VERSION_10_3.

	* nsselect.m (ns_string_from_pasteboard): Remove check for >=
	MAC_OS_X_VERSION_10_4.

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	* nsmenu.m (fillWithWidgetValue:): Remove code for <
	MAC_OS_X_VERSION_10_2.
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	* nsimage.m (setPixmapData, getPixelAtX, setAlphaAtX): Remove onTiger.

	* nsfns.m (Fns_list_services): Remove comment and check for OSX < 10.4.
	(ns_do_applescript): Remove check for >= MAC_OS_X_VERSION_10_4.

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	* nsterm.m (ns_in_resize): Remove (Bug#12479).
	(ns_resize_handle_rect, mouseDown, mouseUp, mouseDragged): Remove.
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	(ns_clear_frame, sendEvent, windowDidResize, drawRect:):
	Remove ns_in_resize check.
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	(ns_clear_frame_area): Remove resize handle code.

	* nsfns.m (ns_in_resize): Remove.
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	(x_set_icon_name, ns_set_name, ns_set_name_as_filename):
	Remove ns_in_resize check.
Jan Djärv's avatar
Jan Djärv committed
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Paul Eggert's avatar
Paul Eggert committed
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2012-10-07  Paul Eggert  <eggert@cs.ucla.edu>

	Improve sys_siglist detection.
	* sysdep.c (sys_siglist, init_signals): Use _sys_siglist if it's
	defined as a macro, as is done in Solaris.
	(sys_siglist_entries): New macro.
	(save_strsignal): Use it.
	* syssignal.h (safe_strsignal): Now ATTRIBUTE_CONST, to pacify
	GCC 4.7.2 on Fedora 17 with the fixed sys_siglist detection.

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2012-10-06  Jan Djärv  <jan.h.d@swipnet.se>

	* nsfns.m (Fx_create_frame): Call x_default_parameter with
	fullscreen/Fullscreen.

	* nsterm.h (EmacsView): Rename tbar_height to tibar_height.
	tobar_height is new.

	* nsterm.m (x_make_frame_visible): Check for fullscreen.
	(ns_fullscreen_hook): Activate old style fullscreen with a timer.
	(ns_term_init): Set activateIgnoringOtherApps if old style fullscreen.
	(windowDidResize:): Check for correct window if old style fullscreen.
	Capitalize word in comment.  Remove incorrect comment.
	(initFrameFromEmacs:): tbar_height renamed tibar_height.
	(windowDidEnterFullScreen:): Toggle toolbar for fullscreen to fix
	error in drawing background.
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	(toggleFullScreen:): Remove comment.  Rearrange calls.
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	Set toolbar values to zero, save old height in tobar_height.
	Restore tool bar height when leaving fullscreen.
	(canBecomeMainWindow): New function.

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2012-10-06  Paul Eggert  <eggert@cs.ucla.edu>

	* keyboard.c (read_char): Remove unnecessary 'volatile's and label.

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2012-10-05  Eli Zaretskii  <eliz@gnu.org>

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	* w32proc.c (stop_timer_thread): Fix declaration of 'err'.

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	* w32.c (utime): Open the file with FILE_FLAG_BACKUP_SEMANTICS, so
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	that time stamps of directories could also be changed.
	Don't request the too broad GENERIC_WRITE, only the more restrictive
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	FILE_WRITE_ATTRIBUTES access rights.

	* fileio.c (Fset_file_times): Special-case ignoring errors for
	directories only on MSDOS, not on MS-Windows.

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2012-10-05  Ikumi Keita  <ikumi@ikumi.que.jp>  (tiny change)
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	* minibuf.c (Fcompleting_read): Doc fix.  (Bug#12555)

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2012-10-04  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (utime): Test for INVALID_HANDLE_VALUE, not for NULL, to
	see whether CreateFile failed.

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2012-10-04  Paul Eggert  <eggert@cs.ucla.edu>

	* profiler.c (handle_profiler_signal): Inhibit pending signals too,
	to avoid similar races.
	* keyboard.c (pending_signals): Now bool, not int.

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	Port timers to OpenBSD, plus check for timer failures.
	OpenBSD problem reported by Han Boetes.
	* profiler.c (setup_cpu_timer): Check for failure of timer_settime
	and/or setitimer.
	(Fprofiler_cpu_stop): Don't assume HAVE_SETITIMER.
	* syssignal.h (HAVE_ITIMERSPEC): New macro.  This is for platforms
	like OpenBSD, which has timer_settime but does not declare it.
	OpenBSD does not define SIGEV_SIGNAL, so use that when deciding
	whether to use itimerspec-related primitives.  All uses of
	HAVE_TIMER_SETTIME replaced with HAVE_ITIMERSPEC.

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2012-10-02  Paul Eggert  <eggert@cs.ucla.edu>

	* profiler.c (handle_profiler_signal): Fix a malloc race
	that caused Emacs to hang on Fedora 17 when profiling Lisp.

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2012-10-02  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (windowDidEnterFullScreen): Remove fprintf.

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2012-10-02  Eli Zaretskii  <eliz@gnu.org>

	* w32proc.c (sys_wait): Declare 'signame' 'const char *', to be
	consistent with the change in return value of 'safe_strsignal'.

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2012-10-02  Paul Eggert  <eggert@cs.ucla.edu>

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