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2011-05-16  Paul Eggert  <eggert@cs.ucla.edu>

	* alloc.c (string_overflow): New function.
	(Fmake_string): Use it.  This doesn't change behavior, but saves
	a few bytes and will simplify future changes.
	* character.c (string_escape_byte8): Likewise.
	* lisp.h (string_overflow): New decl.

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2011-05-15  Paul Eggert  <eggert@cs.ucla.edu>
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	Fixups, following up to the user-interface timestamp change.
	* nsterm.m (last_mouse_movement_time, ns_mouse_position): Use Time
	for UI timestamps, instead of unsigned long.
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	* msdos.c (mouse_get_pos): Likewise.
	* w32inevt.c (movement_time, w32_console_mouse_position): Likewise.
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	* w32gui.h (Time): Define by including "systime.h" rather than by
	declaring it ourselves.  (Bug#8664)

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	* dispextern.h (struct image): Don't assume time_t <= unsigned long.
	* image.c (clear_image_cache): Likewise.

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	* term.c (term_mouse_position): Don't assume time_t wraparound.

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	Be more systematic about user-interface timestamps.
	Before, the code sometimes used 'Time', sometimes 'unsigned long',
	and sometimes 'EMACS_UINT', to represent these timestamps.  This
	change causes it to use 'Time' uniformly, as that's what X uses.
	This makes the code easier to follow, and makes it easier to catch
	integer overflow bugs such as Bug#8664.
	* frame.c (Fmouse_position, Fmouse_pixel_position):
	Use Time, not unsigned long, for user-interface timestamps.
	* keyboard.c (last_event_timestamp, kbd_buffer_get_event): Likewise.
	(button_down_time, make_lispy_position, make_lispy_movement): Likewise.
	* keyboard.h (last_event_timestamp): Likewise.
	* menu.c (Fx_popup_menu) [!HAVE_X_WINDOWS]: Likewise.
	* menu.h (xmenu_show): Likewise.
	* term.c (term_mouse_position): Likewise.
	* termhooks.h (struct input_event.timestamp): Likewise.
	(struct terminal.mouse_position_hook): Likewise.
	* xmenu.c (create_and_show_popup_menu, xmenu_show): Likewise.
	* xterm.c (XTmouse_position, x_scroll_bar_report_motion): Likewise.
	* systime.h (Time): New decl.  Pull it in from <X11/X.h> if
	HAVE_X_WINDOWS, otherwise define it as unsigned long, which is
	what it was before.
	* menu.h, termhooks.h: Include "systime.h", for Time.

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	* keyboard.c (make_lispy_event): Fix problem in integer overflow.
	Don't assume that the difference between two unsigned long values
	can fit into an integer.  At this point, we know button_down_time
	<= event->timestamp, so the difference must be nonnegative, so
	there's no need to cast the result if double-click-time is
	nonnegative, as it should be; check that it's nonnegative, just in
	case.  This bug is triggered when events are more than 2**31 ms
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	apart (about 25 days).  (Bug#8664)
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	* xselect.c (last_event_timestamp): Remove duplicate decl.
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	(x_own_selection): Remove needless cast to unsigned long.
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	* xmenu.c (set_frame_menubar): Use int, not EMACS_UINT, for indexes
	that always fit in int.  Use a sentinel instead of a counter, to
	avoid a temp and to allay GCC's concerns about possible int overflow.
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	* frame.h (struct frame): Use int for menu_bar_items_used
	instead of EMACS_INT, since it always fits in int.
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	* menu.c (grow_menu_items): Check for int overflow.

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	* xmenu.c (set_frame_menubar): Don't mishandle vectors with no nils.

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	* xterm.c: Use EMACS_INT for Emacs modifiers, and int for X modifiers.
	Before, the code was not consistent.  These values cannot exceed
	2**31 - 1 so there's no need to make them unsigned.
	(x_x_to_emacs_modifiers): Accept int and return EMACS_INT.
	(x_emacs_to_x_modifiers): Accept EMACS_INT and return int.
	(x_x_to_emacs_modifiers, x_emacs_to_x_modifiers): Reject non-integers
	as modifiers.
	* xterm.h (x_x_to_emacs_modifiers): Adjust to signature change.

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	* lisp.h (XINT) [USE_LISP_UNION_TYPE]: Cast to EMACS_INT.
	(XUINT) [USE_LISP_UNION_TYPE]: Cast to EMACS_UINT.
	Otherwise, GCC 4.6.0 warns about printf (pI, XINT (...)),
	presumably because the widths might not match.

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	* window.c (size_window): Avoid needless test at loop start.

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2011-05-12  Drew Adams  <drew.adams@oracle.com>
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	* textprop.c (Fprevious_single_char_property_change): Doc fix (bug#8655).

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2011-05-12  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* w32term.c (w32_draw_fringe_bitmap): Rename local vars `left' and
	`width' to `bar_area_x' and `bar_area_width', respectively.
	(x_scroll_run): Take account of fringe background extension.

	* xterm.c (x_draw_fringe_bitmap) [USE_TOOLKIT_SCROLL_BARS]: Rename
	local vars `left' and `width' to `bar_area_x' and
	`bar_area_width', respectively.
	(x_scroll_run) [USE_TOOLKIT_SCROLL_BARS]: Take account of fringe
	background extension.

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2011-05-10  Jim Meyering  <meyering@redhat.com>

	* xdisp.c (x_intersect_rectangles): Fix typo "the the -> the".

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2011-05-10  Juanma Barranquero  <lekktu@gmail.com>

	* image.c (Finit_image_library): Return t for built-in image types,
	like pbm and xbm.  (Bug#8640)

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2011-05-09  Andreas Schwab  <schwab@linux-m68k.org>

	* w32menu.c (set_frame_menubar): Fix submenu allocation.

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2011-05-07  Eli Zaretskii  <eliz@gnu.org>

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	* w32console.c (Fset_screen_color): Doc fix.
	(Fget_screen_color): New function.
	(syms_of_ntterm): Defsubr it.

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	* callproc.c (call_process_cleanup): Don't close and unlink the
	temporary file if Fcall_process didn't create it in the first
	place.
	(Fcall_process): Don't create tempfile if stdout of the child
	process will be redirected to a file specified with `:file'.
	Don't try to re-open tempfile in that case, and set fd[0] to -1 as
	cue to call_process_cleanup not to close that handle.

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2011-05-07  Ben Key  <bkey76@gmail.com>

	* makefile.w32-in: The bootstrap-temacs rule now makes use of
	one of two shell specific rules, either bootstrap-temacs-CMD or
	bootstrap-temacs-SH.  The bootstrap-temacs-SH rule is identical
	to the previous implementation of the bootstrap-temacs rule.
	The bootstrap-temacs-CMD rule is similar to the previous
	implementation of the bootstrap-temacs rule except that it
	makes use of the ESC_CFLAGS variable instead of the CFLAGS
	variable.

	These changes, along with some changes to nt/configure.bat,
	nt/gmake.defs, and nt/nmake.defs, are required to extend my
	earlier fix to add support for --cflags and --ldflags options
	that include quotes so that it works whether make uses cmd or
	sh as the shell.

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2011-05-06  Michael Albinus  <michael.albinus@gmx.de>

	* dbusbind.c (QCdbus_type_unix_fd): Declare static.
	(xd_remove_watch): Don't check QCdbus_type_unix_fd for SYMBOLP, it
	is a constant.
	(Fdbus_init_bus, xd_read_queued_messages): Bus can be a symbol or
	a string.  Handle both cases.
	(Fdbus_call_method_asynchronously, Fdbus_register_signal)
	(Fdbus_register_method): Use Qinvalid_function.

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2011-05-06  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in: Update dependencies.
	(LISP_H): Add inttypes.h and stdin.h.
	(PROCESS_H): Add unistd.h.

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2011-05-06  Eli Zaretskii  <eliz@gnu.org>

	* lread.c: Include limits.h (fixes the MS-Windows build broken by
	2011-05-06T07:13:19Z!eggert@cs.ucla.edu).

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2011-05-06  Paul Eggert  <eggert@cs.ucla.edu>
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	* image.c (Finit_image_library) [!HAVE_NTGUI]: Omit unused local.

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	* term.c (vfatal): Remove stray call to va_end.
	It's not needed and the C Standard doesn't allow it here anyway.

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	Use C99's va_copy to avoid undefined behavior on x86-64 GNU/Linux.
	* eval.c (verror): doprnt a copy of ap, not the original.  (Bug#8545)

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	* eval.c (verror): OK to create a string of up to MOST_POSITIVE_FIXNUM
	bytes.

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	* term.c: Don't include <stdarg.h>, as <lisp.h> does that.

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	* callproc.c (Fcall_process): Use 'volatile' to avoid vfork clobbering.

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	* process.c (Fformat_network_address): Fix typo: args2 -> *args2.

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	* xmenu.c (set_frame_menubar): Fix typo: int * -> int (3 times).

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	* coding.c (detect_coding_charset): Fix typo: * 2 -> *4 (Bug#8601).

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	* charset.h (struct charset.code_space): Now has 15 elements, not 16.
	* charset.c (Fdefine_charset_internal): Don't initialize
	charset.code_space[15].  The value was garbage, on hosts with
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	32-bit int (Bug#8600).
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	* lread.c (read_integer): Be more consistent with string-to-number.
	Use string_to_number to do the actual conversion; this avoids
	rounding errors and fixes some other screwups.  Without this fix,
	for example, #x1fffffffffffffff was misread as -2305843009213693952.
	(digit_to_number): Move earlier, for benefit of read_integer.
	Return -1 if the digit is out of range for the base, -2 if it is
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	not a digit in any supported base.  (Bug#8602)
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	* doprnt.c (doprnt): Support arbitrary pI values, such as "I64".

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	* dispnew.c (scrolling_window): Return 1 if we scrolled,
	to match comment at start of function.  This also removes a
	GCC warning about overflow in a 32+64-bit port.

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	* lisp.h (EMACS_INT, EMACS_UINT, BITS_PER_EMACS_INT, pI): Simplify.

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	* dbusbind.c: Do not use XPNTR on a value that may be an integer.
	Reported by Stefan Monnier in
	<http://lists.gnu.org/archive/html/emacs-devel/2011-04/msg00919.html>.
	(xd_remove_watch, Fdbus_init_bus, xd_read_queued_messages): Use
	SYMBOLP-guarded XSYMBOL, not XPNTR.

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	* lisp.h (EMACS_INTPTR): Remove.  All uses changed to intptr_t.
	(EMACS_UINTPTR): Likewise, with uintptr_t.

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	* lisp.h: Prefer 64-bit EMACS_INT if available.
	(EMACS_INT, EMACS_UINT, BITS_PER_EMACS_INT, pI): Define to 64-bit
	on 32-bit hosts that have 64-bit int, so that they can access
	large files.
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	However, temporarily disable this change unless the temporary
	symbol WIDE_EMACS_INT is defined.
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	* lread.c, process.c: Do not include <inttypes.h>; lisp.h does it now.

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	Prefer intptr_t/uintptr_t for integers the same widths as pointers.
	This removes an assumption that EMACS_INT and long are the same
	width as pointers.  The assumption is true for Emacs porting targets
	now, but we want to make other targets possible.
	* lisp.h: Include <inttypes.h>, for INTPTR_MAX, UINTPTR_MAX.
	(EMACS_INTPTR, EMACS_UINTPTR): New macros.
	In the rest of the code, change types of integers that hold casted
	pointers to EMACS_INTPTR and EMACS_UINTPTR, systematically
	replacing EMACS_INT, long, EMACS_UINT, and unsigned long.
	(XTYPE): Don't cast arg to EMACS_UINT; normally is not needed.
	(XSET): Cast type of XTYPE arg to EMACS_INTPTR; it is needed here.
	No need to cast type when ORing.
	(XPNTR): Return a value of type EMACS_INTPTR or EMACS_UINTPTR.
	* alloc.c (lisp_align_malloc): Remove a no-longer-needed cast.
	* doc.c (store_function_docstring): Use EMACS_INTPTR, so as not to
	assume EMACS_INT is the same width as char *.
	* gtkutil.c (xg_gtk_scroll_destroy, xg_tool_bar_button_cb):
	(xg_tool_bar_callback, xg_tool_bar_help_callback, xg_make_tool_item):
	Remove no-longer-needed casts.
	(xg_create_scroll_bar, xg_tool_bar_button_cb, xg_tool_bar_callback):
	(xg_tool_bar_help_callback, xg_make_tool_item):
	Use EMACS_INTPTR to hold an integer
	that will be cast to void *; this can avoid a GCC warning
	if EMACS_INT is not the same width as void *.
	* menu.c (find_and_call_menu_selection): Remove no-longer-needed cast.
	* xdisp.c (display_echo_area_1, resize_mini_window_1):
	(current_message_1, set_message_1):
	Use a local to convert to proper width without a cast.
	* xmenu.c (dialog_selection_callback): Likewise.

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	* sysdep.c (get_random): Don't assume EMACS_INT is no wider than long.
	Also, don't assume VALBITS / RAND_BITS is less than 5,
	and don't rely on undefined behavior when shifting a 1 left into
	the sign bit.
	* lisp.h (get_random): Change signature to match.

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	* lread.c (hash_string): Use size_t, not int, for hash computation.
	Normally we prefer signed values; but hashing is special, because
	it's better to use unsigned division on hash table sizes so that
	the remainder is nonnegative.  Also, size_t is the natural width
	for hashing into memory.  The previous code used 'int', which doesn't
	retain enough info to hash well into very large tables.
	(oblookup, oblookup_last_bucket_number, Funintern): Likewise.

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	* dbusbind.c: Don't possibly lose pointer info when converting.
	(xd_remove_watch, Fdbus_init_bus, xd_read_queued_messages):
	Use XPNTR rather than XHASH, so that the high-order bits of
	the pointer aren't lost when converting through void *.

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	* eval.c (Fautoload): Don't double-shift a pointer.

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	* fns.c (Frandom): Let EMACS_UINT be wider than unsigned long.

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2011-05-06  Juanma Barranquero  <lekktu@gmail.com>

	* gnutls.c (DEF_GNUTLS_FN):
	* image.c (DEF_IMGLIB_FN): Make function pointers static.

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2011-05-05  Andreas Schwab  <schwab@linux-m68k.org>

	* lread.c (lisp_file_lexically_bound_p): Stop scanning at end
	marker.  (Bug#8610)

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2011-05-05 Eli Zaretskii  <eliz@gnu.org>
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	* w32heap.c (allocate_heap) [USE_LISP_UNION_TYPE || USE_LSB_TAG]:
	New version that can reserve upto 2GB of heap space.

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2011-05-05  Chong Yidong  <cyd@stupidchicken.com>
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	* nsfns.m (Fns_read_file_name): Doc fix (Bug#8534).

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2011-05-05  Teodor Zlatanov  <tzz@lifelogs.com>

	* gnutls.c (fn_gnutls_certificate_set_x509_key_file): Add alias to
	`gnutls_certificate_set_x509_key_file'.

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2011-05-05  Juanma Barranquero  <lekktu@gmail.com>

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

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2011-05-04  Juanma Barranquero  <lekktu@gmail.com>

	* gnutls.h (emacs_gnutls_write, emacs_gnutls_read):
	* gnutls.c (emacs_gnutls_write, emacs_gnutls_read):
	Remove unused parameter `fildes'.
	* process.c (read_process_output, send_process): Don't pass it.

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2011-05-04  Juanma Barranquero  <lekktu@gmail.com>

	Fix previous change: the library cache is defined in w32.c.
	* image.c (CACHE_IMAGE_TYPE) [!HAVE_NTGUI]: Define to noop.
	(Finit_image_library): Wrap Vlibrary_cache on "#ifdef HAVE_NTGUI".

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2011-05-04  Juanma Barranquero  <lekktu@gmail.com>

	Implement dynamic loading of GnuTLS on Windows.

	* gnutls.h (GNUTLS_EMACS_ERROR_NOT_LOADED): New macro.
	(emacs_gnutls_write, emacs_gnutls_read): Mark as extern.
	(emacs_gnutls_record_check_pending, emacs_gnutls_transport_set_errno):
	Declare.

	* gnutls.c (Qgnutls_dll): Define.
	(DEF_GNUTLS_FN, LOAD_GNUTLS_FN): New macros.
	(gnutls_*): Declare function pointers.
	(init_gnutls_functions): New function to initialize function pointers.
	(emacs_gnutls_handshake, Fgnutls_error_string, Fgnutls_deinit)
	(emacs_gnutls_global_init, Fgnutls_bye): Use function pointers.
	(emacs_gnutls_record_check_pending, emacs_gnutls_transport_set_errno):
	Wrappers for gnutls_record_check_pending and gnutls_transport_set_errno.
	(emacs_gnutls_write, emacs_gnutls_read)
	(emacs_gnutls_handle_error, Fgnutls_error_fatalp)
	(Fgnutls_available_p): New function.
	(Fgnutls_boot): Call Fgnutls_available_p.  Use function pointers.
	(syms_of_gnutls) <Qgnutls_dll>: Initialize and staticpro it.
	(syms_of_gnutls) <Sgnutls_available_p>: defsubr it.

	* image.c: Include w32.h.
	(Vimage_type_cache): Delete.
	(syms_of_image) <Vimage_type_cache>: Don't initialize and staticpro it.
	(CACHE_IMAGE_TYPE, Finit_image_library): Use Vlibrary_cache instead.
	(w32_delayed_load): Move to w32.c.

	* w32.h (VlibraryCache, QCloaded_from, w32_delayed_load): Declare.

	* w32.c (QCloaded_from, Vlibrary_cache): Define.
	(w32_delayed_load): Move from image.c.  When loading a library, record
	its filename in the :loaded-from property of the library id.
	(globals_of_w32) <QCloaded_from, Vlibrary_cache>:
	Initialize and staticpro them.
	(emacs_gnutls_pull, emacs_gnutls_push): Call emacs_gnutls_* functions.

	* process.c: Include lisp.h before w32.h, not after.
	(wait_reading_process_output): Call emacs_gnutls_record_check_pending
	instead of gnutls_record_check_pending.

	* callproc.c, emacs.c: Include lisp.h before w32.h, not after.

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2011-05-04  Teodor Zlatanov  <tzz@lifelogs.com>

	* gnutls.c (Fgnutls_boot): Support :keylist and :crlfiles options
	instead of :keyfiles.  Give GnuTLS the keylist and the CRL lists
	as passed in.

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2011-05-03  Jan Djärv  <jan.h.d@swipnet.se>

	* xterm.c (x_set_frame_alpha): Do not set property on anything
	else than FRAME_X_OUTER_WINDOW (Bug#8608).

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2011-05-02  Juanma Barranquero  <lekktu@gmail.com>

	* sysdep.c (get_tty_size) [WINDOWSNT]: Implement.  (Bug#8596)

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2011-05-02  Juanma Barranquero  <lekktu@gmail.com>

	* gnutls.c (Qgnutls_log_level, Qgnutls_code, Qgnutls_anon)
	(Qgnutls_x509pki, Qgnutls_e_interrupted, Qgnutls_e_again)
	(Qgnutls_e_invalid_session, Qgnutls_e_not_ready_for_handshake)
	(gnutls_global_initialized, Qgnutls_bootprop_priority)
	(Qgnutls_bootprop_trustfiles, Qgnutls_bootprop_keyfiles)
	(Qgnutls_bootprop_callbacks, Qgnutls_bootprop_loglevel)
	(Qgnutls_bootprop_hostname, Qgnutls_bootprop_verify_flags)
	(Qgnutls_bootprop_verify_error, Qgnutls_bootprop_verify_hostname_error)
	(Qgnutls_bootprop_callbacks_verify): Make static.

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2011-05-01  Andreas Schwab  <schwab@linux-m68k.org>

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	* callproc.c: Indentation fixup.

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	* sysdep.c (wait_for_termination_1): Make static.
	(wait_for_termination, interruptible_wait_for_termination): Move
	after wait_for_termination_1.

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2011-05-01  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* sysdep.c (interruptible_wait_for_termination): New function
	which is like wait_for_termination, but allows keyboard
	interruptions.

	* callproc.c (Fcall_process): Add (:file "file") as an option for
	the STDOUT buffer.
	(Fcall_process_region): Ditto.

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2011-04-30  Eli Zaretskii  <eliz@gnu.org>

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	* dosfns.c (Fint86, Fdos_memget, Fdos_memput): Use `ASIZE (FOO)'
	rather than `XVECTOR (FOO)->size'.

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	* process.c: Remove HAVE_INTTYPES_H condition from inclusion of
	inttypes.h, as a gnulib replacement is used if it not available in
	system headers.

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2011-04-21  Eli Zaretskii  <eliz@gnu.org>

	Lift the MOST_POSITIVE_FIXNUM/4 limitation on visited files.
	* fileio.c (Finsert_file_contents): Don't limit file size to 1/4
	of MOST_POSITIVE_FIXNUM.  (Bug#8528)

	* coding.c (coding_alloc_by_realloc): Error out if destination
	will grow beyond MOST_POSITIVE_FIXNUM.
	(decode_coding_emacs_mule): Abort if there isn't enough place in
	charbuf for the composition carryover bytes.  Reserve an extra
	space for up to 2 characters produced in a loop.
	(decode_coding_iso_2022): Abort if there isn't enough place in
	charbuf for the composition carryover bytes.

2011-04-21  Eli Zaretskii  <eliz@gnu.org>
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	* doprnt.c (doprnt) [!HAVE_LONG_LONG_INT]: Error out instead of
	aborting when %lld or %lll format is passed.
	[!HAVE_UNSIGNED_LONG_LONG_INT]: Error out instead of aborting when
	%llo or %llx format is passed.  (Bug#8545)

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	* window.c (window_scroll_line_based): Use a marker instead of
	simple variables to record original value of point.  (Bug#7952)

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	* doprnt.c (doprnt): Fix the case where a multibyte sequence
	produced by %s or %c overflows available buffer space.  (Bug#8545)

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2011-04-28  Paul Eggert  <eggert@cs.ucla.edu>

	* doprnt.c (doprnt): Omit useless test; int overflow check (Bug#8545).
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	(SIZE_MAX): Move defn after all includes, as they might #define it.
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2011-04-28  Juanma Barranquero  <lekktu@gmail.com>

	* w32.c (init_environment): Warn about defaulting HOME to C:\.

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2011-04-28  Juanma Barranquero  <lekktu@gmail.com>

	* keyboard.c (Qdelayed_warnings_hook): Define.
	(command_loop_1): Run `delayed-warnings-hook'
	if Vdelayed_warnings_list is non-nil.
	(syms_of_keyboard) <delayed-warnings-hook>: DEFSYM it.
	(syms_of_keyboard) <delayed-warnings-list>: DEFVAR_LISP it.

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2011-04-28  Eli Zaretskii  <eliz@gnu.org>

	* doprnt.c (doprnt): Don't return value smaller than the buffer
	size if the message was truncated.  (Bug#8545).

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2011-04-28  Juanma Barranquero  <lekktu@gmail.com>

	* w32fns.c (Fx_change_window_property, Fx_delete_window_property)
	(Fx_window_property): #if-0 the whole functions, not just the bodies.

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2011-04-27  Paul Eggert  <eggert@cs.ucla.edu>

	* doprnt.c (doprnt): Support "ll" length modifier, for long long.

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2011-04-27  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in: Update dependencies.

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2011-04-27  Eli Zaretskii  <eliz@gnu.org>

	Improve `doprnt' and its usage.  (Bug#8545)
	* doprnt.c (doprnt): Make sure `format' is never accessed beyond
	`format_end'.  Remove support for %l as a conversion specifier.
	Don't use xrealloc.  Improve diagnostics when the %l size modifier
	is used.  Update the commentary.

	* eval.c (verror): Simplify calculation of size_t.

	* coding.c (Ffind_operation_coding_system): Fix diagnostic error
	messages.

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2011-04-27  Yoshiaki Kasahara  <kasahara@nc.kyushu-u.ac.jp>  (tiny change)

	* buffer.c (init_buffer) [USE_MMAP_FOR_BUFFERS]: Adjust to aliasing
	change.

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2011-04-27  Paul Eggert  <eggert@cs.ucla.edu>

	* nsmenu.m: Replace all uses of XVECTOR with ASIZE and AREF.
	This makes this file independent of the recent pseudovector change.

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2011-04-26  Paul Eggert  <eggert@cs.ucla.edu>
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	* keyboard.c (handle_user_signal): Fix pointer signedness problem.

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	* gnutls.c (emacs_gnutls_handle_error): Remove unused local.
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	(Fgnutls_boot): gnutls_certificate_verify_peers2 wants unsigned *.
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	Remove unused local.
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	(emacs_gnutls_write): Don't use uninitialized rtnval if nbyte <= 0.
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	* lisp.h: Fix a problem with aliasing and vector headers.  (Bug#8546)
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	GCC 4.6.0 optimizes based on type-based alias analysis.  For
	example, if b is of type struct buffer * and v of type struct
	Lisp_Vector *, then gcc -O2 was incorrectly assuming that &b->size
	!= &v->size, and therefore "v->size = 1; b->size = 2; return
	v->size;" must therefore return 1.  This assumption is incorrect
	for Emacs, since it type-puns struct Lisp_Vector * with many other
	types.  To fix this problem, this patch adds a new type struct
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	vectorlike_header that documents the constraints on layout of vectors
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	and pseudovectors, and helps optimizing compilers not get fooled
	by Emacs's type punning.  It also adds the macros XSETTYPED_PVECTYPE
	XSETTYPED_PSEUDOVECTOR, TYPED_PSEUDOVECTORP, for similar reasons.
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	* lisp.h (XSETTYPED_PVECTYPE): New macro, specifying the name of
	the size member.
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	(XSETPVECTYPE): Rewrite in terms of new macro.
	(XSETPVECTYPESIZE): New macro, specifying both type and size.
	This is a bit clearer, and further avoids the possibility of
	undesirable aliasing.
	(XSETTYPED_PSEUDOVECTOR): New macro, specifying the size.
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	(XSETPSEUDOVECTOR): Rewrite in terms of XSETTYPED_PSEUDOVECTOR.
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	(XSETSUBR): Rewrite in terms of XSETTYPED_PSEUDOVECTOR and XSIZE,
	since Lisp_Subr is a special case (no "next" field).
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	(ASIZE): Now uses header.size rather than size.  All
	previous uses of XVECTOR (foo)->size replaced to use this macro,
	to avoid the hassle of writing XVECTOR (foo)->header.size.
	(struct vectorlike_header): New type.
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	(TYPED_PSEUDOVECTORP): New macro, also specifying the C type of the
	object, to help avoid aliasing.
	(PSEUDOVECTORP): Rewrite in terms of TYPED_PSEUDOVECTORP.
	(SUBRP): Likewise, since Lisp_Subr is a special case.
	* lisp.h (struct Lisp_Vector, struct Lisp_Char_Table):
	(struct Lisp_Sub_Char_Table, struct Lisp_Bool_Vector):
	(struct Lisp_Hash_Table): Combine first two members into a single
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	struct vectorlike_header member.  All uses of "size" and "next" members
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	changed to be "header.size" and "header.next".
	* buffer.h (struct buffer): Likewise.
	* font.h (struct font_spec, struct font_entity, struct font): Likewise.
	* frame.h (struct frame): Likewise.
	* process.h (struct Lisp_Process): Likewise.
	* termhooks.h (struct terminal): Likewise.
	* window.c (struct save_window_data, struct saved_window): Likewise.
	* window.h (struct window): Likewise.
	* alloc.c (allocate_buffer, Fmake_bool_vector, allocate_pseudovector):
	Use XSETPVECTYPESIZE, not XSETPVECTYPE, to avoid aliasing problems.
	* buffer.c (init_buffer_once): Likewise.
	* lread.c (defsubr): Use XSETTYPED_PVECTYPE, since Lisp_Subr is a
	special case.
	* process.c (Fformat_network_address): Use local var for size,
	for brevity.

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	* bytecode.c (exec_byte_code): Don't use XVECTOR before CHECK_VECTOR.

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	Make the Lisp reader and string-to-float more consistent (Bug#8525)
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	* data.c (atof): Remove decl; no longer used or needed.
	(digit_to_number): Move to lread.c.
	(Fstring_to_number): Use new string_to_number function, to be
	consistent with how the Lisp reader treats infinities and NaNs.
	Do not assume that floating-point numbers represent EMACS_INT
	without losing information; this is not true on most 64-bit hosts.
	Avoid double-rounding errors, by insisting on integers when
	parsing non-base-10 numbers, as the documentation specifies.
	* lisp.h (string_to_number): New decl, replacing ...
	(isfloat_string): Remove.
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	* lread.c: Include <inttypes.h>, for uintmax_t and strtoumax.
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	(read1): Do not accept +. and -. as integers; this
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	appears to have been a coding error.  Similarly, do not accept
	strings like +-1e0 as floating point numbers.  Do not report
	overflow for integer overflows unless the base is not 10 which
	means we have no simple and reliable way to continue.
	Break out the floating-point parsing into a new
	function string_to_number, so that Fstring_to_number parses
	floating point numbers consistently with the Lisp reader.
	(digit_to_number): Moved here from data.c.  Make it static inline.
	(E_CHAR, EXP_INT): Remove, replacing with ...
	(E_EXP): New macro, to solve the "1.0e+" problem mentioned below.
	(string_to_number): New function, replacing isfloat_string.
	This function checks for valid syntax and produces the resulting
	Lisp float number too.  Rework it so that string-to-number
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	no longer mishandles examples like "1.0e+".  Use strtoumax,
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	so that overflow for non-base-10 numbers is reported only when
	there's no portable and simple way to convert to floating point.
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	* textprop.c (set_text_properties_1): Rewrite for clarity,
	and to avoid GCC warning about integer overflow.

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	* intervals.h (struct interval): Use EMACS_INT for members
	where EMACS_UINT might cause problems.  See
	<http://lists.gnu.org/archive/html/emacs-devel/2011-04/msg00514.html>.
	(CHECK_TOTAL_LENGTH): Remove cast to EMACS_INT; no longer needed.
	* intervals.c (interval_deletion_adjustment): Now returns EMACS_INT.
	All uses changed.
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	(offset_intervals): Tell GCC not to worry about length overflow
	when negating a negative length.
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	* alloc.c (overrun_check_malloc, overrun_check_realloc): Now static.
	(overrun_check_free): Likewise.

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	* alloc.c (SDATA_SIZE) [!GC_CHECK_STRING_BYTES]: Avoid runtime check
	in the common case where SDATA_DATA_OFFSET is a multiple of Emacs
	word size.

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	* gnutls.c: Fix problems found by GCC 4.6.0 on Ubuntu 10.10.
	(gnutls_make_error): Rename local to avoid shadowing.
	(gnutls_emacs_global_deinit): ifdef out; not used.
	(Fgnutls_boot): Use const for pointer to readonly storage.
	Comment out unused local.  Fix pointer signedness problems.

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	* lread.c (openp): Don't stuff size_t into an 'int'.
	Use <= on length, not < on length + 1, to avoid GCC 4.6.0 warning
	about possible signed overflow.

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	* gtkutil.c: Fix problems found by GCC 4.6.0 on Ubuntu 10.10.
	(GDK_KEY_g): Don't define if already defined.
	(xg_prepare_tooltip): Avoid pointer signedness problem.
	(xg_set_toolkit_scroll_bar_thumb): Redo to avoid two casts.

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	* process.c (Fnetwork_interface_info): Avoid left-shift undefined
	behavior with 1 << 31.  GCC 4.6.0 warns about this on 32-bit hosts.

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	* xfns.c (Fx_window_property): Simplify a bit,
	to make a bit faster and to avoid GCC 4.6.0 warning.
	* xselect.c (x_get_window_property, x_handle_dnd_message): Likewise.

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	* fns.c (internal_equal): Don't assume size_t fits in int.

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	* alloc.c (compact_small_strings): Tighten assertion a little.

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	Replace pEd with more-general pI, and fix some printf arg casts.
	* lisp.h (pI): New macro, generalizing old pEd macro to other
	conversion specifiers.  For example, use "...%"pI"d..." rather
	than "...%"pEd"...".
	(pEd): Remove.  All uses replaced with similar uses of pI.
	* src/m/amdx86-64.h, src/m/ia64.h, src/m/ibms390x.h: Likewise.
	* alloc.c (check_pure_size): Don't overflow by converting size to int.
	* bidi.c (bidi_dump_cached_states): Use pI to avoid cast.
	* data.c (Fnumber_to_string): Use pI instead of if-then-else-abort.
	* dbusbind.c (xd_append_arg): Use pI to avoid cast.
	(Fdbus_method_return_internal, Fdbus_method_error_internal): Likewise.
	* font.c (font_unparse_xlfd): Avoid potential buffer overrun on
	64-bit hosts.
	(font_unparse_xlfd, font_unparse_fcname): Use pI to avoid casts.
	* keyboard.c (record_char, modify_event_symbol): Use pI to avoid casts.
	* print.c (safe_debug_print, print_object): Likewise.
	(print_object): Don't overflow by converting EMACS_INT or EMACS_UINT
	to int.
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	Use pI instead of if-then-else-abort.  Use %p to avoid casts,
	avoiding the 0 flag, which is not portable.
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	* process.c (Fmake_network_process): Use pI to avoid cast.
	* region-cache.c (pp_cache): Likewise.
	* xdisp.c (decode_mode_spec): Likewise.
	* xrdb.c (x_load_resources) [USE_MOTIF]: Use pI to avoid undefined
	behavior on 64-bit hosts with printf arg.
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	* xselect.c (x_queue_event): Use %p to avoid casts, avoiding 0 flag.
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	(x_stop_queuing_selection_requests): Likewise.
	(x_get_window_property): Don't truncate byte count to an 'int'
	when tracing.
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	* frame.c (frame_name_fnn_p): Get rid of strtol, which isn't right
	here, since it parses constructs like leading '-' and spaces,
	which are not wanted; and it overflows with large numbers.
	Instead, simply match F[0-9]+, which is what is wanted anyway.

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	* alloc.c: Remove unportable assumptions about struct layout.
	(SDATA_SELECTOR, SDATA_DATA_OFFSET): New macros.
	(SDATA_OF_STRING, SDATA_SIZE, allocate_string_data):
	(allocate_vectorlike, make_pure_vector): Use the new macros,
	plus offsetof, to remove unportable assumptions about struct layout.
	These assumptions hold on all porting targets that I know of, but
	they are not guaranteed, they're easy to remove, and removing them
	makes further changes easier.

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	* alloc.c (BLOCK BYTES): Fix typo by changing "ablock" to "ablocks".
	This doesn't fix a bug but makes the code clearer.
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	(string_overrun_cookie): Now const.  Use initializers that
	don't formally overflow signed char, to avoid warnings.
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	(allocate_string_data) [GC_CHECK_STRING_OVERRUN]: Fix typo that
	can cause Emacs to crash when string overrun checking is enabled.
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	(allocate_buffer): Don't assume sizeof (struct buffer) is a
	multiple of sizeof (EMACS_INT); it need not be, if
	alignof(EMACS_INT) < sizeof (EMACS_INT).
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	(check_sblock, check_string_bytes, check_string_free_list): Protoize.
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2011-04-26  Juanma Barranquero  <lekktu@gmail.com>

	* keyboard.c (QCrtl): Rename from Qrtl.  All uses changed.

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2011-04-26  Teodor Zlatanov  <tzz@lifelogs.com>

	* gnutls.c (emacs_gnutls_handshake): Return an error if we're not
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	supposed to be handshaking.  (Bug#8556)
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	Reported by Paul Eggert <eggert@cs.ucla.edu>.

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2011-04-26  Daniel Colascione  <dan.colascione@gmail.com>
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	* lisp.h (Qdebug): List symbol.
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	* eval.c (Qdebug): Restore global linkage.
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	* keyboard.c (debug-on-event): New variable.
	(handle_user_signal): Break into debugger when debug-on-event
	matches the current signal symbol.

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2011-04-25  Dan Nicolaescu  <dann@ics.uci.edu>

	* alloc.c (check_sblock, check_string_bytes)
	(check_string_free_list): Convert to standard C.

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2011-04-25  Teodor Zlatanov  <tzz@lifelogs.com>

	* w32.c (emacs_gnutls_push): Fix typo.

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2011-04-25  Eli Zaretskii  <eliz@gnu.org>

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	* gnutls.c (emacs_gnutls_handshake): Avoid compiler warnings about
	"cast to pointer from integer of different size".

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	Improve doprnt and its use in verror.  (Bug#8545)
	* doprnt.c (doprnt): Document the set of format control sequences
	supported by the function.  Use SAFE_ALLOCA instead of always
	using `alloca'.

	* eval.c (verror): Don't limit the buffer size at size_max-1, that
	is one byte too soon.  Don't use xrealloc; instead xfree and
	xmalloc anew.

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2011-04-24  Teodor Zlatanov  <tzz@lifelogs.com>

	* gnutls.h: Add GNUTLS_STAGE_CALLBACKS enum to denote we're in the
	callbacks stage.

	* gnutls.c: Renamed global_initialized to
	gnutls_global_initialized.  Added internals for the
	:verify-hostname-error, :verify-error, and :verify-flags
	parameters of `gnutls-boot' and documented those parameters in the
	docstring.  Start callback support.
	(emacs_gnutls_handshake): Add Woe32 support. Retry handshake
	unless a fatal error occured. Call gnutls_alert_send_appropriate
	on error. Return error code.
	(emacs_gnutls_write): Call emacs_gnutls_handle_error.
	(emacs_gnutls_read): Likewise.
	(Fgnutls_boot): Return handshake error code.
	(emacs_gnutls_handle_error): New function.
	(wsaerror_to_errno): Likewise.

	* w32.h (emacs_gnutls_pull): Add prototype.
	(emacs_gnutls_push): Likewise.

	* w32.c (emacs_gnutls_pull): New function for GnuTLS on Woe32.
	(emacs_gnutls_push): Likewise.

2011-04-24  Claudio Bley  <claudio.bley@gmail.com>  (tiny change)

	* process.c (wait_reading_process_output): Check if GnuTLS
	buffered some data internally if no FDs are set for TLS
	connections.

	* makefile.w32-in (OBJ2): Add gnutls.$(O).
	(LIBS): Link to USER_LIBS.
	($(BLD)/gnutls.$(0)): New target.

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2011-04-24  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (handle_single_display_spec): Rename the
	display_replaced_before_p argument into display_replaced_p, to
	make it consistent with the commentary.  Fix typos in the
	commentary.

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	* textprop.c (syms_of_textprop): Remove dead code.
	(copy_text_properties): Delete obsolete commentary about an
	interface that was deleted long ago.  Fix typos in the description
	of arguments.

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	* msdos.c (XMenuActivate, XMenuAddSelection): Adjust argument list
	to changes in oldXMenu/XMenu.h from 2011-04-16.
	<menu_help_message, prev_menu_help_message>: Constify.
	(IT_menu_make_room): menu->help_text is now `const char **';
	adjust.

	* msdos.h (XMenuActivate, XMenuAddSelection): Adjust prototypes
	to changes in oldXMenu/XMenu.h from 2011-04-16.
	(struct XMenu): Declare `help_text' `const char **'.

	* xfaces.c <Qunspecified>: Make extern again.

	* syntax.c: Include sys/types.h before including regex.h, as
	required by Posix.

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	* doc.c (get_doc_string): Improve the format passed to `error'.

	* doprnt.c (doprnt): Improve commentary.

	* term.c (init_tty) [MSDOS]: Fix 1st argument to maybe_fatal.

	* Makefile.in (TAGS): Depend on $(M_FILE) and $(S_FILE), and scan
	them with etags.

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	* makefile.w32-in (globals.h): Add a dummy recipe, to make any
	changes in globals.h immediately force recompilation.
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	(TAGS): Depend on $(CURDIR)/m/intel386.h and
	$(CURDIR)/s/ms-w32.h.
	(TAGS-gmake): Scan $(CURDIR)/m/intel386.h and $(CURDIR)/s/ms-w32.h.
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	* character.c (Fchar_direction): Function deleted.
	(syms_of_character): Don't defsubr it.
	<char-direction-table>: Deleted.

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2011-04-23  Eli Zaretskii  <eliz@gnu.org>

	Fix doprnt so it could be used again safely in `verror'.  (Bug#8435)
	* doprnt.c: Include limits.h.
	(SIZE_MAX): New macro.
	(doprnt): Return a size_t value.  2nd arg is now size_t.  Many
	local variables are now size_t instead of int or unsigned.
	Improve overflow protection.  Support `l' modifier for integer
	conversions.  Support %l conversion.  Don't assume an EMACS_INT
	argument for integer conversions and for %c.

	* lisp.h (doprnt): Restore prototype.

	* makefile.w32-in ($(BLD)/callint.$(O)): Depend on
	$(SRC)/character.h.

	* Makefile.in (base_obj): Add back doprnt.o.

	* deps.mk (doprnt.o): Add back prerequisites.
	(callint.o): Depend on character.h.

	* eval.c (internal_lisp_condition_case): Include the handler
	representation in the error message.
	(verror): Call doprnt instead of vsnprintf.  Fix an off-by-one bug
	when breaking from the loop.

	* xdisp.c (vmessage): Call doprnt instead of vsnprintf.

	* callint.c (Fcall_interactively): When displaying error message
	about invalid control letter, pass the character's codepoint, not
	a pointer to its multibyte form.  Improve display of the character
	in octal and display also its hex code.

	* character.c (char_string): Use %x to display the (unsigned)
	codepoint of an invalid character, to avoid displaying a bogus
	negative value.

	* font.c (check_otf_features): Pass SDATA of SYMBOL_NAME to
	`error', not SYMBOL_NAME itself.

	* coding.c (Fencode_sjis_char, Fencode_big5_char): Use %c for
	character arguments to `error'.

	* charset.c (check_iso_charset_parameter): Fix incorrect argument
	to `error' in error message about FINAL_CHAR argument.  Make sure
	FINAL_CHAR is a character, and use %c when it is passed as
	argument to `error'.

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	* s/ms-w32.h (localtime): Redirect to sys_localtime.

	* w32.c: Include <time.h>.
	(sys_localtime): New function.

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2011-04-23  Chong Yidong  <cyd@stupidchicken.com>
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	* xdisp.c (init_xdisp): Initialize echo_area_window (Bug#6451).

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	* buffer.c (syms_of_buffer): Doc fix (Bug#6902).
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2011-04-23  Samuel Thibault  <sthibault@debian.org>  (tiny change)
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	* sysdep.c (wait_for_termination): On GNU Hurd, kill returns -1 on
	zombies (Bug#8467).
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2011-04-19  Eli Zaretskii  <eliz@gnu.org>

	* syntax.h (SETUP_SYNTAX_TABLE_FOR_OBJECT): Fix setting of
	gl_state.e_property when gl_state.object is Qt.

	* insdel.c (make_gap_larger): Remove limitation of buffer size
	to <= INT_MAX.

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2011-04-18  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (lookup_glyphless_char_display)
	(produce_glyphless_glyph): Handle cons cell entry in
	glyphless-char-display.
	(Vglyphless_char_display): Document it.

	* term.c (produce_glyphless_glyph): Handle cons cell entry in
	glyphless-char-display.

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2011-04-17  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (get_next_display_element): Remove unnecessary ifdefs.

	* termhooks.h (FRAME_WINDOW_P): Remove duplicated definitions.

	* dispextern.h (FACE_SUITABLE_FOR_ASCII_CHAR_P): Add missing
	definition for no-X builds.

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2011-04-16  Paul Eggert  <eggert@cs.ucla.edu>
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	Static checks with GCC 4.6.0 and non-default toolkits.

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	* s/sol2-6.h, s/unixware.h (PTY_TTY_NAME_SPRINTF): Protoize decl.

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	* process.c (keyboard_bit_set): Define only if SIGIO.
	(send_process_trap): Mark it with NO_RETURN if it doesn't return.
	(send_process): Repair possible setjmp clobbering.

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	* s/usg5-4-common.h (SETUP_SLAVE_PTY): Don't pass extra arg to 'fatal'.

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	* eval.c: Include <stdio.h>, for vsnprintf on non-GNU/Linux hosts.

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	* data.c (arith_error): Mark with NO_RETURN if it doesn't return.

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	* alloc.c (bytes_used_when_full, SPARE_MEMORY, BYTES_USED):
	Define only if needed.

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	* sysdep.c (_FILE_OFFSET_BITS): Make this hack even uglier
	by pacifying GCC about it.  Maybe it's time to retire it?
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	* xfaces.c (USG, __TIMEVAL__): Likewise.
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	* dispextern.h (struct redisplay_interface): Rename param
	to avoid shadowing.
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	* termhooks.h (struct terminal): Likewise.
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	* xterm.c (xembed_send_message): Likewise.
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	* insdel.c (make_gap_smaller): Define only if
	USE_MMAP_FOR_BUFFERS || REL_ALLOC || DOUG_LEA_MALLOC.

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	* keyboard.c (read_char): Make a var volatile so longjmp won't clobber
	it.

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	* emacs.c (MAX_HEAP_BSS_DIFF, my_edata): Move to where they're used,
	so that we aren't warned about unused symbols.

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	* xfns.c (Fx_file_dialog): Rename local to avoid shadowing.

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	* xdisp.c (x_produce_glyphs): Mark var as initialized (Bug#8512).
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	* xfns.c (x_real_positions): Mark locals as initialized.

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	* xmenu.c (xmenu_show): Don't use uninitialized vars.

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	* xterm.c: Fix problems found by static analysis with other toolkits.
	(toolkit_scroll_bar_interaction): Define and use only if USE_X_TOOLKIT.
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	(x_dispatch_event): Declare static if USE_GTK, and
	define if USE_GTK || USE_X_TOOLKIT.
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	(SET_SAVED_BUTTON_EVENT): Define only if USE_X_TOOLKIT || USE_GTK.
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	* xterm.h (x_dispatch_event): Extern only if USE_X_TOOLKIT.
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	* xterm.c, xterm.h (x_mouse_leave): Bring this function back, but only
	if defined HAVE_MENUS && !defined USE_X_TOOLKIT && !defined USE_GTK.
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	* xmenu.c (menu_help_callback): Pointer type fixes.
	Use const pointers when pointing at readonly data.  Avoid pointer
	signedness clashes.
	(FALSE): Remove unused macro.
	(update_frame_menubar): Remove unused decl.

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	* xfns.c (Fx_hide_tip): Move locals to avoid shadowing.

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	* menu.c (push_submenu_start, push_submenu_end): Do not define unless
	USE_X_TOOLKIT || USE_GTK || HAVE_NS || defined HAVE_NTGUI.
	(single_menu_item): Rename local to avoid shadowing.

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	* keyboard.c (make_lispy_event): Remove unused local var.

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	* frame.c, frame.h (x_get_resource_string): Bring this back, but
	only if HAVE_X_WINDOWS && !USE_X_TOOLKIT.

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	* bitmaps: Change bitmaps from unsigned char back to the X11
	compatible char.  Avoid the old compiler warnings about
	out-of-range initializers by using, for example, '\xab' rather
	than 0xab.

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	* xgselect.c (xgselect_initialize): Check vs interface
	even if ! (defined (USE_GTK) || defined (HAVE_GCONF)).

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	* xmenu.c (xmenu_show): Rename parm to avoid shadowing.

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	* xterm.c (x_create_toolkit_scroll_bar): Use const * for pointers
	to read-only memory.

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	* fns.c (vector): Remove; this old hack is no longer needed.

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	* xsmfns.c (create_client_leader_window): Rename shadowing arg.
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	Remove unused var.
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	(gdk_x11_set_sm_client_id) [!USE_GTK]: Don't define.
1002

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	* xrdb.c (x_load_resources): Omit unused local.
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	* xfns.c (free_frame_menubar, atof): Remove duplicate decls.
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	(x_window): Rename locals to avoid shadowing.
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	(USG): Use the kludged USG macro, to pacify gcc.
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	* xterm.c (x_alloc_nearest_color_for_widget): Remove; unused.
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	(x_term_init): Remove local to avoid shadowing.
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	* xfns.c, xterm.c (_XEditResCheckMessages): Protoize decl.
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	* xdisp.c, dispextern.h (set_vertical_scroll_bar): Now extern if
	USE_TOOLKIT_SCROLL_BARS && !USE_GTK, as xterm.c needs it then.

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2011-04-16  Eli Zaretskii  <eliz@gnu.org>

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	* gnutls.c (Fgnutls_boot): Don't pass Lisp_Object to `error'.

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	Fix regex.c, syntax.c and friends for buffers > 2GB.
	* syntax.h (struct gl_state_s): Declare character position members
	EMACS_INT.

	* syntax.c (update_syntax_table): Declare 2nd argument EMACS_INT.

	* textprop.c (verify_interval_modification, interval_of): Declare
	arguments EMACS_INT.

	* intervals.c (adjust_intervals_for_insertion): Declare arguments
	EMACS_INT.

	* intervals.h (CHECK_TOTAL_LENGTH): Cast to EMACS_INT, not `int'.

	* indent.c (Fvertical_motion): Local variable it_start is now
	EMACS_INT.

	* regex.c (re_match, re_match_2, re_match_2_internal)
	(bcmp_translate, regcomp, regexec, print_double_string)
	(group_in_compile_stack, re_search, re_search_2, regex_compile)
	(re_compile_pattern, re_exec): Declare arguments and local
	variables `size_t' and `ssize_t' and return values `regoff_t', as
	appropriate.
	(POP_FAILURE_REG_OR_COUNT) <pfreg>: Declare `long'.
	(CHECK_INFINITE_LOOP) <failure>: Declare `ssize_t'.
	<compile_stack_type>: `size' and `avail' are now `size_t'.

	* regex.h <regoff_t>: Use ssize_t, not int.
	(re_search, re_search_2, re_match, re_match_2): Arguments that
	specify buffer/string position and length are now ssize_t and
	size_t.  Return type is regoff_t.

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2011-04-16  Ben Key  <bkey76@gmail.com>

	* nsfont.m: Fixed bugs in ns_get_family and
	ns_descriptor_to_entity that were caused by using free to
	deallocate memory blocks that were allocated by xmalloc (via
	xstrdup).  This caused Emacs to crash when compiled with
	XMALLOC_OVERRUN_CHECK defined (when Emacs was configured with
	--enable-checking=xmallocoverrun).  xfree is now used to
	deallocate these memory blocks.

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2011-04-15  Paul Eggert  <eggert@cs.ucla.edu>
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	* sysdep.c (emacs_read): Remove unnecessary check vs MAX_RW_COUNT.

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	emacs_write: Accept and return EMACS_INT for sizes.
	See http://lists.gnu.org/archive/html/emacs-devel/2011-04/msg00514.html
	et seq.
	* gnutls.c, gnutls.h (emacs_gnutls_read, emacs_gnutls_write):
	Accept and return EMACS_INT.
	(emacs_gnutls_write): Return the number of bytes written on
	partial writes.
	* sysdep.c, lisp.h (emacs_read, emacs_write): Likewise.
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	(emacs_read, emacs_write): Remove check for negative size, as the
	Emacs source code has been audited now.
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	* sysdep.c (MAX_RW_COUNT): New macro, to work around kernel bugs.
	(emacs_read, emacs_write): Use it.
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	* process.c (send_process): Adjust to the new signatures of
	emacs_write and emacs_gnutls_write.  Do not attempt to store
	a byte offset into an 'int'; it might overflow.
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	See http://lists.gnu.org/archive/html/emacs-devel/2011-04/msg00483.html
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	* sound.c: Don't assume sizes fit in 'int'.
	(struct sound_device.period_size, alsa_period_size):
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	Return EMACS_INT, not int.
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	(struct sound_device.write, vox_write, alsa_write):
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	Accept EMACS_INT, not int.
	(wav_play, au_play): Use EMACS_INT to store sizes and to
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	record read return values.

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2011-04-15  Ben Key  <bkey76@gmail.com>

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	* keyboard.c (Qundefined): Don't declare static since it is used
	in nsfns.m.
	* xfaces.c (Qbold, Qexpanded, Qitalic, Qcondensed): Don't declare
	static since they are used in nsfont.m.
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2011-04-15  Stefan Monnier  <monnier@iro.umontreal.ca>

	* process.c (Qprocessp): Don't declare static.
	* lisp.h (Qprocessp): Declare again.

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2011-04-15  Juanma Barranquero  <lekktu@gmail.com>

	* font.c (Qopentype): Don't make static (used from w32uniscribe.c).

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2011-04-14  Paul Eggert  <eggert@cs.ucla.edu>

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	Improve C-level modularity by making more things 'static'.
1111

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	Don't publish debugger-only interfaces to other modules.
	* lisp.h (safe_debug_print, debug_output_compilation_hack):
	(verify_bytepos, count_markers): Move decls to the only modules
	that need them.
	* region-cache.h (pp_cache): Likewise.
	* window.h (check_all_windows): Likewise.
	* marker.c, print.c, region-cache.c, window.c: Decls moved here.

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	* sysdep.c (croak): Now static, if
	defined TIOCNOTTY || defined USG5 || defined CYGWIN.
	* syssignal.h (croak): Declare only if not static.
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	* alloc.c (refill_memory_reserve): Now static if
	!defined REL_ALLOC || defined SYSTEM_MALLOC.
	* lisp.h (refill_memory_reserve): Declare only if not static.
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	* xsettings.c, xsettings.h (xsettings_get_system_normal_font):
	Define only if USE_LUCID.

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	* xrdb.c (x_customization_string, x_rm_string): Now static.

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	* xmenu.c (x_menu_wait_for_event): Export only if USE_MOTIF.
	* xterm.h (x_menu_wait_for_event): Declare only if USE_MOTIF.

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	* xdisp.c (draw_row_with_mouse_face): Now static.
	* dispextern.h (draw_row_with_mouse_fave): Remove decl.

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	* window.h (check_all_windows): Mark externally visible.

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	* window.c (window_deletion_count): Now static.

	* undo.c: Make symbols static if they're not exported.
	(last_undo_buffer, last_boundary_position, pending_boundary):
	Now static.

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	* textprop.c (interval_insert_behind_hooks): Now static.
	(interval_insert_in_front_hooks): Likewise.

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	* term.c: Make symbols static if they're not exported.
	(tty_turn_off_highlight, get_tty_terminal, max_frame_cols):
	(max_frame_lines, tty_set_terminal_modes):
	(tty_reset_terminal_modes, tty_turn_off_highlight):
	(get_tty_terminal): Now static.
	(term_mouse_moveto): Do not define if HAVE_WINDOW_SYSTEM.
	* termhooks.h (term_mouse_moveto): Do not declare if
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	HAVE_WINDOW_SYSTEM.
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	* dispextern.h (tty_set_terminal_modes, tty_reset_terminal_modes):
	(tty_turn_off_highlight, get_tty_terminal): Remove decls.

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	* sysdep.c: Make symbols static if they're not exported.
	(emacs_get_tty, emacs_set_tty, old_fcntl_flags, old_fcntl_owner):
	Now static.
	(sigprocmask_set, full_mask): Remove; unused.
	(wait_debugging): Mark as visible.
	* syssignal.h (SIGFULLMASK, full_mask): Remove decls.
	* systty.h (emacs_get_tty, emacs_set_tty): Remove decls.

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	* syntax.c (syntax_temp): Define only if !__GNUC__.

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	* sound.c (current_sound_device, current_sound): Now static.

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	* search.c (searchbufs, searchbuf_head): Now static.

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	* scroll.c (scroll_cost): Remove; unused.
	* dispextern.h (scroll_cost): Remove decl.

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	* region-cache.h (pp_cache): Mark as externally visible.

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	* process.c: Make symbols static if they're not exported.
	(process_tick, update_tick, create_process, chan_process):
	(Vprocess_alist, proc_buffered_char, datagram_access):
	(fd_callback_data, send_process_frame, process_sent_to): Now static.
	(deactivate_process): Mark defn as static, as well as decl.
	* lisp.h (create_process): Remove decl.
	* process.h (chan_process, Vprocess_alist): Remove decls.

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	* print.c: Make symbols static if they're not exported.
	(print_depth, new_backquote_output, being_printed, print_buffer):
	(print_buffer_size, print_buffer_pos, print_buffer_pos_byte):
	(print_interval, print_number_index, initial_stderr_stream):
	Now static.
	* lisp.h (Fprinc): Remove decl.
	(debug_output_compilation_hack): Mark as externally visible.

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	* sysdep.c (croak): Move decl from here to syssignal.h.
	* syssignal.h (croak): Put it here, so the API can be checked when
	'croak' is called from dissociate_if_controlling_tty.

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	* minibuf.c: Make symbols static if they're not exported.
	(minibuf_save_list, choose_minibuf_frame): Now static.
	* lisp.h (choose_minibuf_frame): Remove decl.

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	* lisp.h (verify_bytepos, count_markers): Mark as externally visible.

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	* lread.c: Make symbols static if they're not exported.
	(read_objects, initial_obarray, oblookup_last_bucket_number):
	Now static.
	(make_symbol): Remove; unused.
	* lisp.h (initial_obarray, make_symbol): Remove decls.

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	* keyboard.c: Make symbols static if they're not exported.
	(single_kboard, recent_keys_index, total_keys, recent_keys):
	(this_command_key_count_reset, raw_keybuf, raw_keybuf_count):
	(this_single_command_key_start, echoing, last_auto_save):
	(read_key_sequence_cmd, dribble, recursive_edit_unwind):
	(command_loop, echo_now, keyboard_init_hook, help_char_p):
	(quit_throw_to_read_char, command_loop_2, top_level_1, poll_timer):
	(Vlispy_mouse_stem, double_click_count):
	Now static.
	(force_auto_save_soon): Define only if SIGDANGER.
	(ignore_mouse_drag_p): Now static if
	!defined HAVE_WINDOW_SYSTEM || defined USE_GTK || defined HAVE_NS.
	(print_help): Remove; unused.
	(stop_character, last_timer_event): Mark as externally visible.
	* keyboard.h (ignore_mouse_drag_p): Declare only if
	defined HAVE_WINDOW_SYSTEM && !defined USE_GTK && !defined HAVE_NS.
	(echo_now, help_char_p, quit_throw_to_read_char): Remove decls.
	* lisp.h (echoing): Remove decl.
	(force_auto_save_soon): Declare only if SIGDANGER.
	* xdisp.c (redisplay_window): Simplify code, to make it more
	obvious that ignore_mouse_drag_p is not accessed if !defined
	USE_GTK && !defined HAVE_NS.

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	* intervals.c: Make symbols static if they're not exported.
	(merge_properties_sticky, merge_interval_right, delete_interval):
	Now static.
	* intervals.h (merge_interval_right, delete_interval): Remove decls.

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	* insdel.c: Make symbols static if they're not exported.
	However, leave prepare_to_modify_buffer alone.  It's never
	called from outside this function, but that appears to be a bug.
	(combine_after_change_list, combine_after_change_buffer):
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	(adjust_after_replace, signal_before_change): Now static.
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	(adjust_after_replace_noundo): Remove; unused.
	* lisp.h (adjust_after_replace, adjust_after_replace_noundo):
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	(signal_before_change): Remove decls.
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	* indent.c (val_compute_motion, val_vmotion): Now static.

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	* image.c: Make symbols static if they're not exported.
	* dispextern.h (x_create_bitmap_from_xpm_data): Do not declare
	if USE_GTK.
	* image.c (x_create_bitmap_from_xpm_data): Do not define if USE_GTK.
	(xpm_color_cache, ct_table, ct_colors_allocated): Now static.

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	* fringe.c (standard_bitmaps): Now static.
	(max_used_fringe_bitmap): Now static, unless HAVE_NS.

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	* frame.c: Make symbols static if they're not exported.
	(x_report_frame_params, make_terminal_frame): Now static.
	(get_frame_param): Now static, unless HAVE_NS.
	(x_fullscreen_adjust): Define if WINDOWSNT, not if HAVE_WINDOW_SYSTEM.
	(x_get_resource_string): Remove; not used.
	* frame.h (make_terminal_frame, x_report_frame_params):
	(x_get_resource_string); Remove decls.
	(x_fullscreen_adjust): Declare only if WINDOWSNT.
	* lisp.h (get_frame_param): Declare only if HAVE_NS.

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	* font.c, fontset.c: Make symbols static if they're not exported.
	* dispextern.h (FACE_SUITABLE_FOR_ASCII_CHAR_P): New macro.
	(FACE_SUITABLE_FOR_CHAR_P): Use it.
	* font.c (font_close_object): Now static.
	* font.h (font_close_object): Remove.
	* fontset.c (FONTSET_OBJLIST): Remove.
	(free_realized_fontset) #if-0 the body, which does nothing.
	(face_suitable_for_char_p): #if-0, as it's never called.
	* fontset.h (face_suitable_for_char_p): Remove decl.
	* xfaces.c (face_at_string_position): Use
	FACE_SUITABLE_FOR_ASCII_CHAR_P, not FACE_SUITABLE_FOR_CHAR_P,
	since 0 is always ASCII.

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	* fns.c (weak_hash_tables): Now static.

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	* fileio.c: Make symbols static if they're not exported.
	(auto_saving, auto_save_mode_bits, auto_save_error_occurred):
	(Vwrite_region_annotation_buffers): Now static.

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	* eval.c: Make symbols static if they're not exported.
	(backtrace_list, lisp_eval_depth, when_entered_debugger): Now static.
	* lisp.h (backtrace_list): Remove decl.

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	* emacs.c: Make symbols static if they're not exported.
	(malloc_state_ptr, malloc_using_checking, syms_of_emacs):
	(fatal_error_code, fatal_error_signal_hook, standard_args):
	Now static.
	(fatal_error_signal): Now static, unless FLOAT_CATCH_SIGKILL.
	(DEFINE_DUMMY_FUNCTION): Mark function as externally visible.
	(__CTOR_LIST__, __DTOR_LIST__): Now externally visible.
	* lisp.h (fatal_error_signal_hook): Remove decl.
	(fatal_error_signal): Declare only if FLOAT_CATCH_SIGKILL.

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	* editfns.c: Move a (normally-unused) function to its only use.
	* editfns.c, lisp.h (get_operating_system_release): Remove.
	* process.c (init_process) [DARWIN_OS]: Do it inline, as it is not
	worth the hassle of breaking this out.

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