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2010-05-15  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (${ns_appdir}): Simplify using umask.

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	* Makefile.in (${ns_appdir}): Remove references to CVS-related files.

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2010-05-14  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c (specbind): Remove left-over duplicate test.
	Disallow let-binding frame-local vars.  Add comment.

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2010-05-14  Eli Zaretskii  <eliz@gnu.org>

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	Make the cache of bidi iterator states dynamically allocated.
	(bidi_cache_shrink): New function.
	(bidi_init_it): Call it.
	(bidi_cache_iterator_state): Enlarge the cache if needed.

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	* bidi.c (bidi_move_to_visually_next): Rename from
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	bidi_get_next_char_visually.  All callers changed.

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2010-05-14  Kenichi Handa  <handa@m17n.org>

	* dispextern.h (struct composition_it): New member reversed_p.

	* composite.c (composition_compute_stop_pos): Search backward if
	ENDPOS < CHARPOS.
	(composition_reseat_it): Handle the case that ENDPOS < CHARPOS.
	Set CMP_IT->reversed_p.
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	(composition_update_it): Pay attention to CMP_IT->reversed_p.
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	* xdisp.c (set_iterator_to_next):
	Call composition_compute_stop_pos with negative ENDPOS if we are
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	scanning backward.  Call composition_compute_stop_pos if scan
	direction is changed.
	(next_element_from_buffer): Call composition_compute_stop_pos with
	negative ENDPOS if we are scanning backward.
	(next_element_from_composition): Pay attention to
	IT->cmp_it.reversed_p.

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2010-05-14  Kenichi Handa  <handa@m17n.org>

	* font.c (font_range): Return the range for the font found at
	first.

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2010-05-14  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (ns_appdir, ns_appbindir, ns_appsrc): Always define.

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	* Makefile.in (mktime, X11, register): Move undefs to configure.

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	* Makefile.in (MSDOS_OBJ): Default to empty, let msdos scripts set it.
	(MSDOS_X_OBJ): New variable.
	(MSDOS_SUPPORT_REAL): New constant.
	(MSDOS_SUPPORT): Set as a variable, not with cpp.
	(obj): Use MSDOS_X_OBJ.
	(lisp): Use MSDOS_SUPPORT as a variable.

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	* Makefile.in (REAL_MOUSE_SUPPORT): New constant.
	(GPM_MOUSE_SUPPORT): Now it's a constant.
	(MOUSE_SUPPORT, TOOLTIP_SUPPORT, WINDOW_SUPPORT): Set with configure,
	not cpp.

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	* Makefile.in (@NS_IMPL_GNUSTEP_INC@): Use in place of #ifdef.
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	(ns_appresdir): Remove, unused.
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	* Makefile.in (SHELL): Move outside cpp section.

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	* s/netbsd.h (AMPERSAND_FULL_NAME): Remove (defined in AH_BOTTOM).

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2010-05-13  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (FONT_DRIVERS): Place with other HAVE_X_WINDOWS stuff.
	(TOOLTIP_SUPPORT): Place with other HAVE_WINDOW_SYSTEM stuff.

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	* Makefile.in (FONT_DRIVERS): If HAVE_X_WINDOWS is defined,
	HAVE_WINDOW_SYSTEM must be too.

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	* Makefile.in (WINNT_SUPPORT): Remove, nt build does not use this file.
	(lisp): Remove WINNT_SUPPORT.

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	* Makefile.in (OLDXMENU, LIBXMENU) [!HAVE_MENUS]:
	Let configure set these variables (to empty) in this case as well.

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	* Makefile.in (LD_SWITCH_X_SITE): Define as a variable, not via cpp.
	(LIBX_BASE): Use $LD_SWITCH_X_SITE.

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	* Makefile.in (C_SWITCH_X_SYSTEM, C_SWITCH_X_SITE, LIB_STANDARD)
	(LIB_MATH, FONTCONFIG_CFLAGS, FONTCONFIG_LIBS, FREETYPE_CFLAGS)
	(FREETYPE_LIBS, LIBOTF_CFLAGS, LIBOTF_LIBS, M17N_FLT_CFLAGS)
	(M17N_FLT_LIBS, GNU_OBJC_CFLAGS, GNUSTEP_SYSTEM_LIBRARIES, LIBGPM)
	(LIBRESOLV, UNEXEC_OBJ): For clarity, define variables to hold
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	the values output by configure.
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	(ALL_CFLAGS, obj, LIBES, temacs${EXEEXT}): Use the above variables.

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2010-05-12  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (YMF_PASS_LDFLAGS, LD, LINKER): Simplify the logic.
	(LINKER_WAS_SPECIFIED): Remove.

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	* Makefile.in (LIB_GCC): Set using configure, not cpp.
	(GNULIB_VAR) [!ORDINARY_LINK]: Always set to $LIB_GCC.
	* m/arm.h (LIB_GCC) [GNU_LINUX]:
	* s/cygwin.h (LIB_GCC):
	* s/freebsd.h (LIB_GCC):
	* s/gnu-linux.h (LIB_GCC):
	* s/msdos.h (LIB_GCC):
	* s/netbsd.h (LIB_GCC):
	Move to configure.

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2010-05-11  Karel Klic  <kklic@redhat.com>
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	* ftfont.c: Fix incorrect parentheses of #if condition for
	definining M17N_FLT_USE_NEW_FEATURE.

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2010-05-11  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (LIBS_SYSTEM) [MSDOS]: Do not reset.
	* s/msdos.h (MSDOS_LIBS_SYSTEM): Remove.

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2010-05-10  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (init_iterator): Don't turn on bidi reordering in
	unibyte buffers.  See
	http://lists.gnu.org/archive/html/emacs-devel/2010-05/msg00263.html.

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2010-05-10  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (LIBS_SYSTEM): Set using configure, not cpp.
	(LIBS_SYSTEM) [MSDOS]: Reset with MSDOS_LIBS_SYSTEM.
	(LIBES): Use LIBS_SYSTEM as a variable.
	* s/msdos.h (LIBS_SYSTEM): Rename to MSDOS_LIBS_SYSTEM.  Always define.
	* s/aix4-2.h (LIBS_SYSTEM):
	* s/freebsd.h (LIBS_SYSTEM):
	* s/hpux10-20.h (LIBS_SYSTEM):
	* s/sol2-6.h (LIBS_SYSTEM):
	* s/unixware.h (LIBS_SYSTEM):
	Move to configure.

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	* s/aix4-2.h (MAIL_USE_LOCKF):
	* s/bsd-common.h (MAIL_USE_FLOCK):
	* s/darwin.h (MAIL_USE_FLOCK):
	* s/gnu-linux.h (MAIL_USE_FLOCK):
	* s/irix6-5.h (MAIL_USE_FLOCK):
	* s/template.h (MAIL_USE_FLOCK):
	Move to configure.

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2010-05-08  Chong Yidong  <cyd@stupidchicken.com>
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	* Version 23.2 released.

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2010-05-08  Andreas Schwab  <schwab@linux-m68k.org>
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	* composite.c (autocmp_chars): Save point as marker before calling
	auto-composition-function (Bug#5984).

	* lisp.h (restore_point_unwind): Add prototype.

	* fileio.c (restore_point_unwind): Remove static attribute.

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2010-05-08  Kenichi Handa  <handa@m17n.org>
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	* ftfont.c (M17N_FLT_USE_NEW_FEATURE): Define it if we can use the
	new feature of libotf and m17n-flt.
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	(ftfont_check_otf) [M17N_FLT_USE_NEW_FEATURE]:
	Call OTF_check_features even if no specific feature is given.
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	(PACK_OTF_TAG) [M17N_FLT_USE_NEW_FEATURE]: New macro.
	(ftfont_drive_otf) [M17N_FLT_USE_NEW_FEATURE]: Handle the case
	that OUT is NULL.  Use OTF_drive_gsub_with_log and
	OTF_drive_gpos_with_log instead of OTF_drive_gsub and
	OTF_drive_gpos.
	(ftfont_try_otf) [M17N_FLT_USE_NEW_FEATURE]: New function.
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	(ftfont_shape_by_flt) [M17N_FLT_USE_NEW_FEATURE]:
	Setup mflt_enable_new_feature and mflt_try_otf.

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2010-05-08  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c (Ftool_bar_get_system_style): Correct comment.

	* gtkutil.c (xg_pack_tool_bar): Change show_all to show for handle
	box and toolbar (Bug #6139).
	(xg_create_tool_bar): Remove comment (Bug #6139).
	(xg_make_tool_item): Remove gtk_widget_show_all (Bug #6139).
	(xg_show_toolbar_item): Add gtk_widget_show for weventbox (Bug #6139).

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2010-05-08  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/eval.$(O), $(BLD)/w32fns.$(O)):
	Update dependencies.

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2010-05-08  Eli Zaretskii  <eliz@gnu.org>

	* fringe.c (update_window_fringes): Set up truncation bitmaps for
	R2L lines.

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2010-05-08  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (THIS_IS_MAKEFILE): Remove, unused.

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	* Makefile.in (LIBS_TERMCAP): Set with configure, not cpp.
	(TERMCAP_OBJ): New, set by configure, replacing termcapobj.
	(termcapobj): Replace with TERMCAP_OBJ.
	(otherobj): Use $TERMCAP_OBJ instead of $termcapobj.
	(LIBES): Use LIBS_TERMCAP as a variable.

	* s/freebsd.h (osreldate.h): No longer include, since this file
	does not use __FreeBSD_version any more.

	* s/aix4-2.h (TERMINFO):
	* s/cygwin.h (TERMINFO):
	* s/darwin.h (TERMINFO, LIBS_TERMCAP) [HAVE_LIBNCURSES]:
	* s/freebsd.h (TERMINFO, LIBS_TERMCAP):
	* s/gnu-linux.h (TERMINFO, LIBS_TERMCAP) [HAVE_LIBNCURSES]:
	* s/gnu.h (TERMINFO, LIBS_TERMCAP) [HAVE_LIBNCURSES]:
	* s/hpux10-20.h (TERMINFO, LIBS_TERMCAP):
	* s/irix6-5.h (TERMINFO):
	* s/netbsd.h (LIBS_TERMCAP):
	* s/openbsd.h (TERMINFO, LIBS_TERMCAP):
	* s/sol2-6.h (LIBS_TERMCAP) [!TERMINFO]:
	* s/usg5-4.h (TERMINFO):
	Move to configure.

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2010-05-07  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c (unbind_to): Don't unbind a local binding into the global
	binding when the local binding disappeared.  Inversely, don't unbind
	a global binding into a newly created local binding.
	* data.c (set_internal): Make its `buf' arg into a `where' arg so we
	can specify the frame to use, when applicable.  Adjust callers.

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2010-05-07  Vincent Belaïche  <vincent.belaiche@gmail.com>
            Stefan Monnier  <monnier@iro.umontreal.ca>

	* floatfns.c (Fisnan, Fcopysign, Ffrexp, Fldexp): New functions.

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2010-05-07  Eli Zaretskii  <eliz@gnu.org>

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	* w32fns.c: Include w32.h.
	(Fw32_shell_execute): Decode the error message before passing it
	to `error'.  (Bug#6126)

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	* msdos.c (dos_set_window_size):
	* w16select.c (Fx_selection_exists_p): Use `Fsymbol_value (foo)'
	instead of `XSYMBOL (foo)->value'.

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2010-05-07  Eli Zaretskii  <eliz@gnu.org>

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	Fix the MS-DOS build, broken by autoconfiscation.

	* Makefile.in: Don't use Make-style comments past the "start of
	cpp stuff" line.
	(MSDOS_OBJ): Remove xmenu.o (it is now defined by XMENU_OBJ).

	* s/msdos.h (UNEXEC): Don't define (@unexec@ in Makefile.in is
	edited directly by msdos/sed1v2.inp).
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2010-05-07  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (LD_SWITCH_SYSTEM): Set with configure, not cpp.
	(LD_SWITCH_SYSTEM_EXTRA): New variable, set by configure.
	(TEMACS_LDFLAGS): Use $LD_SWITCH_SYSTEM and $LD_SWITCH_SYSTEM_EXTRA,
	move out of cpp section.
	* s/freebsd.h (LD_SWITCH_SYSTEM):
	* s/gnu-linux.h (LD_SWITCH_SYSTEM):
	* s/netbsd.h (LD_SWITCH_SYSTEM):
	* s/openbsd.h (LD_SWITCH_SYSTEM): Move to configure.in.

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2010-05-07  Dan Nicolaescu  <dann@ics.uci.edu>

	Define LIB_STANDARD and START_FILES using autoconf.
	* s/usg5-4.h (LIB_STANDARD):
	* s/netbsd.h (START_FILES):
	* s/irix6-5.h (LIB_STANDARD):
	* s/hpux10-20.h (LIB_STANDARD, START_FILES):
	* s/gnu-linux.h (START_FILES, LIB_STANDARD):
	* s/freebsd.h (START_FILES):
	* s/darwin.h (START_FILES):
	* s/cygwin.h (START_FILES):
	* s/aix4-2.h (LIB_STANDARD):
	* m/ibmrs6000.h (START_FILES): Remove, move logic to configure.in.
	* Makefile.in (STARTFILES): Rename to START_FILES, define using
	autoconf, not cpp.

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2010-05-06  Dan Nicolaescu  <dann@ics.uci.edu>

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	Remove NEED_BSDTTY and NEED_UNISTD_H.
	* s/hpux10-20.h (NEED_BSDTTY): Remove.
	* s/aix4-2.h (NEED_UNISTD_H): Remove.
	* systty.h: Simplify conditionals for including <sys/bsdtty.h>,
	<sys/ptyio.h> and <unistd.h>.

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	* emacs.c (main): Remove NO_DIR_LIBRARY conditional, unused.

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	* Makefile.in (STARTFILES): Conditionally define to make the usage clear.
	* s/gnu.h (START_FILES): Remove empty definition.

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2010-05-06  Jan Djärv  <jan.h.d@swipnet.se>

	* xterm.c (x_draw_image_relief): Move declaration of extra to beginning.

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2010-05-06  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (CPP, LN_S): Remove unused variables.

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2010-05-05  Stefan Monnier  <monnier@iro.umontreal.ca>

	* syntax.c (Fchar_syntax): Check the arg is a character (bug#6080).

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2010-05-05  Lawrence Mitchell  <wence@gmx.li>

	* m/sparc.h: Fix typo in earlier change.

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2010-05-04  Stefan Monnier  <monnier@iro.umontreal.ca>

	Misc tweaks.
	* eval.c (Fdefvaralias): Remove unintended nested if.
	(internal_condition_case_2, internal_condition_case_n): Use ANSI type.

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2010-05-04  Bernhard Herzog  <bh@intevation.de>  (tiny change)
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	* xsmfns.c (smc_save_yourself_CB): strlen(client_id) => strlen(cwd).

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2010-05-04  Dan Nicolaescu  <dann@ics.uci.edu>

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	Remove BSD_PGRPS.
	* s/bsd-common.h (BSD_PGRPS): Remove undef.
	* s/gnu-linux.h (BSD_PGRPS): Remove.
	* term.c (dissociate_if_controlling_tty):
	* sysdep.c (narrow_foreground_group, widen_foreground_group)
	(init_sys_modes, reset_sys_modes):
	* emacs.c (main):
	* callproc.c (Fcall_process, child_setup): Remove code depending
	on BSD_PGRPS.

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	Remove POSIX_SIGNALS.
	* s/usg5-4.h (POSIX_SIGNALS):
	* s/netbsd.h (POSIX_SIGNALS):
	* s/msdos.h (POSIX_SIGNALS):
	* s/ms-w32.h (POSIX_SIGNALS):
	* s/hpux11.h (POSIX_SIGNALS):
	* s/gnu.h (POSIX_SIGNALS):
	* s/gnu-linux.h (POSIX_SIGNALS):
	* s/freebsd.h (POSIX_SIGNALS):
	* s/darwin.h (POSIX_SIGNALS):
	* s/cygwin.h (POSIX_SIGNALS):
	* s/aix4-2.h (POSIX_SIGNALS): Remove definition.
	* s/unixware.h:
	* s/sol2-6.h: Remove comments on POSIX_SIGNALS.
	* process.c (create_process):
	* syssignal.h:
	* sysdep.c (wait_for_termination, init_signals):
	* process.c (create_process):
	* msdos.c: POSIX_SIGNALS is always defined on all platforms,
	remove all code that assumes the contrary.

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	* s/gnu-linux.h (LD_SWITCH_SYSTEM): Use LD_SWITCH_X_SITE_AUX as a shell
	variable.
	* s/netbsd.h (LD_SWITCH_SYSTEM_tmp): Remove.
	(LD_SWITCH_SYSTEM): Use $LD_SWITCH_X_SITE_AUX_RPATH.
	* s/openbsd.h (LD_SWITCH_SYSTEM_tmp): Remove.
	(LD_SWITCH_SYSTEM): Use $LD_SWITCH_X_SITE_AUX_RPATH instead of
	LD_SWITCH_SYSTEM_tmp.
	* Makefile.in (LD_SWITCH_X_SITE_AUX, LD_SWITCH_X_SITE_AUX_RPATH):
	New variables, set by configure.

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	* s/aix4-2.h (LD_SWITCH_SYSTEM_TEMACS): Move to configure.in.
	* s/darwin.h (HEADERPAD_EXTRA, LIBS_NSGUI): Remove.
	(LD_SWITCH_SYSTEM_TEMACS): Move to configure.in.
	* Makefile.in (LD_SWITCH_SYSTEM_TEMACS): New variable, set by configure.
	(TEMACS_LDFLAGS): Use $LD_SWITCH_SYSTEM_TEMACS.

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	* s/aix4-2.h (C_SWITCH_SYSTEM):
	* m/alpha.h (C_SWITCH_MACHINE):
	Move to configure.in.
	* Makefile.in (C_SWITCH_MACHINE, C_SWITCH_SYSTEM):
	New variables, set by configure.
	(ALL_CFLAGS): Use $C_SWITCH_MACHINE and $C_SWITCH_SYSTEM in place of
	$c_switch_machine and $c_switch_system.

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2010-05-04  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/hpux10-20.h (LIB_STANDARD): New definition.
	* Makefile.in (ORDINARY_LINK): Remove setting LIB_STANDARD based
	on it, not used anymore.

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2010-05-03  Chong Yidong  <cyd@stupidchicken.com>

	* eval.c (internal_condition_case_n): Rename from
	internal_condition_case_2.
	(internal_condition_case_2): New function.

	* xdisp.c (safe_call): Use internal_condition_case_n.

	* fileio.c (Fdelete_file, internal_delete_file): New arg FORCE.
	(internal_delete_file, Frename_file): Callers changed.

	* buffer.c (Fkill_buffer):
	* callproc.c (delete_temp_file): Callers changed (Bug#6070).

	* lisp.h: Update prototypes.

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2010-05-03  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (LIBX_EXTRA, LIBX_BASE): New variables.
	(LIBXT_OTHER, LIBX_OTHER): New, set by configure.
	(LIBXT): Set with configure, not cpp.
	(LIBX): Remove.
	(LIBES): Replace $LIBX with $LIBX_BASE and $LIBX_OTHER.

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2010-05-02  Dan Nicolaescu  <dann@ics.uci.edu>

	* m/amdx86-64.h (START_FILES, LIB_STANDARD): Remove.
	The FreeBSD is not needed, the default works, Solaris version is
	not needed, and the remaining case is not supported by configure.

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2010-05-02  Jan Djärv  <jan.h.d@swipnet.se>

	* xsmfns.c (CHDIR_OPT): New define.
	(smc_save_yourself_CB): Add CHDIR_OPT to options to use when
	restarting emacs.

	* xterm.c (x_connection_closed): Call Fkill_emacs instead of
	shut_down_emacs.

	* emacs.c (USAGE1): Mention --chdir.
	(main): Handle --chdir.
	(standard_args): Add --chdir.
	(fatal_error_signal): Call Fkill_emacs for SIGTERM and SIGHUP (Bug
	#5552).

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2010-05-01  Dan Nicolaescu  <dann@ics.uci.edu>

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	Remove LD_SWITCH_MACHINE.
	* Makefile.in (LD_SWITCH_MACHINE): Remove definition, unused.
	(TEMACS_LDFLAGS): Do not use LD_SWITCH_MACHINE.

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	Clean up IRIX code.
	* m/iris4d.h (TERMINFO, FIRST_PTY_LETTER): Move definitions ...
	* s/irix6-5.h (TERMINFO, FIRST_PTY_LETTER): ... here.

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	Clean up AIX code.
	* m/ibmrs6000.inp: Remove file, unused.
	* m/ibmrs6000.h (IBMR2AIX): Remove, unused.
	(LD_SWITCH_MACHINE): Rename to LD_SWITCH_SYSTEM_TEMACS, and move
	definition ...
	* s/aix4-2.h (LD_SWITCH_SYSTEM_TEMACS): ... here.

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	* sysdep.c (child_setup_tty, init_sys_modes): Remove !IBMR2AIX code,
	unused.
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2010-05-01  Eli Zaretskii  <eliz@gnu.org>

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	Emulate POSIX_SIGNALS on MS-Windows.

	* s/ms-w32.h (POSIX_SIGNALS, struct sigaction, SIG_BLOCK)
	(SIG_SETMASK, SIG_UNBLOCK): Define.
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	* sysdep.c (sys_signal) [WINDOWSNT]: #ifdef away.
	(wait_for_termination) [WINDOWSNT]: Move MS-Windows specific code
	from non-POSIX_SIGNALS section to POSIX_SIGNALS section.

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	* w32.c (sigemptyset, sigaddset, sigfillset, sigprocmask):
	New stubs.
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	Miscellaneous fixes of bidi display.

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	* xdisp.c (find_row_end): New function, refactored from display_line.
	(display_line): Use it.
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	(extend_face_to_end_of_line): In almost-filled rows, extend only
	if the row is R2L and not continued.
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	(display_line): Fix prepending of truncation glyphs to R2L rows.
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	Preserve overlay and string info in row->end.
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	(insert_left_trunc_glyphs): Support addition of left truncation
	glyphs to R2L rows.
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	(set_cursor_from_row): Don't place cursor on the vertical border
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	glyph between adjacent windows.  Fix a crash when a display string
	is continued to the next line.  Don't return zero if cursor was
	found by `cursor' property of a display string.
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	(try_cursor_movement): Don't assume that row->end == (row+1)->start,
	test for that explicitly.
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2010-05-01  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (gmallocobj, rallocobj, vmlimitobj): Initialize to null,
	for clarity.
	(OTHER_OBJ): Remove.
	(PRE_ALLOC_OBJ, POST_ALLOC_OBJ): New, set by configure.
	(otherobj): Use PRE_ALLOC_OBJ, POST_ALLOC_OBJ rather than OTHER_OBJ.

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2010-05-01  Karel Klíč  <kklic@redhat.com>

	* fileio.c (Ffile_selinux_context): Context functions may return null.

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2010-04-30  Dan Nicolaescu  <dann@ics.uci.edu>

498
	* s/gnu.h (POSIX_SIGNALS, START_FILES): New definitions.
499

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2010-04-30  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (vmlimitobj) [!SYSTEM_MALLOC]: New variable.  (Bug#6065)
	(OTHER_OBJ): Define as a separate variable, for clarity.

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2010-04-30  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c: include limits.h and update file comment.

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2010-04-30  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (OLDXMENU, LIBXMENU) [HAVE_MENUS]:
	Set with configure, not cpp.
	(LIBW): Remove, replace with $TOOLKIT_LIBW.

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	* Makefile.in (mallocobj): Remove.
	(otherobj): Simplify using @OTHER_OBJ@.

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	* Makefile.in (dispnew.o, frame.o, fringe.o, font.o, fontset.o)
	(keyboard.o, window.o, xdisp.o, xfaces.o, menu.o):
	Don't bother making nsgui.h dependency platform-specific.

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	* Makefile.in (nsfns.o): Remove duplicate nsgui.h dependency.

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2010-04-29  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* process.c (read_process_output, exec_sentinel): Don't burp if the
	sentinel/filter kills the current buffer (bug#6060).

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	Fix wrong-docstring problem introduced with hash-consing.  (Bug#6008)
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	* eval.c (Fautoload): Set doc to a unique number rather than to 0.
	Remove unused var `args'.
	* lisp.h (XSETCARFASTINT, XSETCDRFASTINT): Remove.
	(LOADHIST_ATTACH): Wrap with do...while to avoid surprises for callers.
	* doc.c (store_function_docstring): Use XSETCAR.

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2010-04-28  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (BASE_WINDOW_SUPPORT, X_WINDOW_SUPPORT): New variables.
	(WINDOW_SUPPORT) [HAVE_WINDOW_SYSTEM]: Use them.

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	* Makefile.in (CYGWIN_OBJ): Set with configure, not cpp.

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	* Makefile.in (GPM_MOUSE_SUPPORT): New, set by configure.
	(MOUSE_SUPPORT) [!HAVE_MOUSE]: Use $GPM_MOUSE_SUPPORT.

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	* Makefile.in (FONT_OBJ): New, set by configure.
	(FONT_DRIVERS): Use $FONT_OBJ.

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	* Makefile.in (LIBXMU): Set with configure, not cpp.
	* s/aix4-2.h (LIBXMU):
	* s/hpux10-20.h (LIBXMU):
	Remove definition, now set in configure.

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	* Makefile.in (NS_OBJ, NS_SUPPORT): Set with configure, not cpp.

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	* m/amdx86-64.h [i386]: Move this test to configure.in.

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2010-04-27  Glenn Morris  <rgm@gnu.org>

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	* Makefile.in (LIBXTR6): Set with configure, not cpp.
	* s/unixware.h (NEED_LIBW): Remove definition.

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	* Makefile.in (LUCID_LIBW, MOTIF_LIBW): Remove, replacing by...
	(TOOLKIT_LIBW): New, set by configure.
	(@X_TOOLKIT_TYPE@): No longer define it.

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	* Makefile.in (LIBXP): Remove, since included in MOTIF_LIBW.
	(MOTIF_LIBW): Set with configure, not cpp.
	* s/aix4-2.h (LIB_MOTIF):
	* s/gnu-linux.h (LIB_MOTIF):
	* s/unixware.h (LIB_MOTIF): Move to configure.in.

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2010-04-27  Dan Nicolaescu  <dann@ics.uci.edu>

	Reduce CPP usage.
	* Makefile.in (LIB_X11_LIB): Remove, inline in the only user.
	(obj): Use autoconf for unexec instead of cpp.
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	(C_SWITCH_SYSTEM, C_SWITCH_MACHINE, C_SWITCH_X_SITE): Remove
	definitions and undefs.  Inline definitions in the only user.
	(ALL_CFLAGS): Substitute C_SWITCH_X_SYSTEM using autoconf.
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2010-04-27  Glenn Morris  <rgm@gnu.org>

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	* m/amdx86-64.h (START_FILES, LIB_STANDARD): Change the logic around,
	since the defaults (set by the system file) are fine in most cases.
	[GNU_LINUX, __OpenBSD__, __NetBSD__, __APPLE__]: Remove sections.
	* m/ibms390x.h (START_FILES, LIB_STANDARD):
	* m/macppc.h (START_FILES, LIB_STANDARD) [GNU_LINUX]:
	* m/sparc.h (START_FILES, LIB_STANDARD) [__linux__]:
	Remove definitions, since they are set correctly in s/gnu-linux.h.
	* s/freebsd.h (START_FILES, LIB_STANDARD):
	* s/gnu-linux.h (START_FILES, LIB_STANDARD):
	* s/hpux10-20.h (START_FILES):
	* s/netbsd.h (START_FILES, LIB_STANDARD, START_FILES_1, END_FILES_1):
	Use $CRT_DIR in place of fixed /usr/lib, /lib directories.

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	* Makefile.in (LIBXP, LUCID_LIBW, WIDGET_OBJ): Set via configure.
	(MOTIF_LIBW): Use $LIBXP.
	(otherobj): Use $WIDGET_OBJ.

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2010-04-26  Dan Nicolaescu  <dann@ics.uci.edu>

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	* Makefile.in (LIBS_MACHINE): Remove, unused.

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	Use autoconf instead of cpp for LIB_MATH.
	* s/darwin.h (LIB_MATH): Do not define here, move to configure.
	* s/cygwin.h (LIB_MATH): Likewise.
	* Makefile.in (LIB_MATH): Do not define with cpp.
	(LIBES): Use autoconf for LIB_MATH.

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2010-04-26  Kenichi Handa  <handa@m17n.org>

	* composite.c (Ffind_composition_internal): Fix the return value
	for an automatic composition.

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2010-04-25  Dan Nicolaescu  <dann@ics.uci.edu>

	Remove all NO_ARG_ARRAY uses.
	* fns.c (concat2, concat3, nconc2):
	* eval.c (apply1, call1, call2, call3, call4, call5, call6)
	(call7): Remove NO_ARG_ARRAY usage, assume it's always true.
	* m/xtensa.h (NO_ARG_ARRAY):
	* m/template.h (NO_ARG_ARRAY):
	* m/sparc.h (NO_ARG_ARRAY):
	* m/sh3.h (NO_ARG_ARRAY):
	* m/mips.h (NO_ARG_ARRAY):
	* m/macppc.h (NO_ARG_ARRAY):
	* m/iris4d.h (NO_ARG_ARRAY):
	* m/intel386.h (NO_ARG_ARRAY):
	* m/ibms390x.h (NO_ARG_ARRAY):
	* m/ibms390.h (NO_ARG_ARRAY):
	* m/ibmrs6000.h (NO_ARG_ARRAY):
	* m/ia64.h (NO_ARG_ARRAY):
	* m/hp800.h (NO_ARG_ARRAY):
	* m/arm.h (NO_ARG_ARRAY):
	* m/amdx86-64.h (NO_ARG_ARRAY):
	* m/alpha.h (NO_ARG_ARRAY): Remove definition.

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2010-04-25  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (display_line): Don't assume 2nd call to
	get_next_display_element cannot return zero.  (Bug#6030)
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	(iterate_out_of_display_property): New function, body from pop_it.
	(pop_it): Use it.
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2010-04-24  Glenn Morris  <rgm@gnu.org>

	* m/amdx86-64.h (START_FILES, LIB_STANDARD) [__OpenBSD__]:
	For clarity, revert to using fixed /usr/lib rather than $CRT_DIR.
	(START_FILES, LIB_STANDARD) [__FreeBSD__]: Merge into the generic case,
	since CRT_DIR defaults to /usr/lib.  Suggested by Dan Nicolaescu.

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2010-04-24  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (display_line): Use `reseat' instead of `reseat_1', and
	use `get_next_display_element' and `set_iterator_to_next' to
	advance to the next character, when looking for the character that
	begins the next row.

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	* .gdbinit: Add a "set Fmake_symbol" line to force GDB to load the
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	definition of "struct Lisp_Symbol".

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2010-04-24  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (CRT_DIR): New variable, set by configure.
	* m/amdx86-64.h, m/ibms390x.h (START_FILES, LIB_STANDARD):
	Use $CRT_DIR rather than HAVE_LIB64_DIR.  (Bug#5655)

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2010-04-23  Dan Nicolaescu  <dann@ics.uci.edu>

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	* Makefile.in: Remove C_SWITCH_X_MACHINE, unused.

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	* s/cygwin.h (LIBS_DEBUG): Remove, unused.

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	Remove redundant flags.
	* s/freebsd.h (C_SWITCH_SYSTEM):
	* s/hpux10-20.h (C_SWITCH_X_SYSTEM, LD_SWITCH_X_DEFAULT):
	* s/netbsd.h (C_SWITCH_SYSTEM):
	* s/openbsd.h (LD_SWITCH_X_DEFAULT): Remove, configure takes care
	of these.

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	Simplify m/intel386.h.
	* m/intel386.h (CRT0_DUMMIES): Remove, inline value in the only
	user: ecrt0.c.
	(SOLARIS2): Remove LOAD_AVE_TYPE, LOAD_AVE_CVT, LIBS_MACHINE, unused.
	(USG5_4): Move LOAD_AVE_TYPE, LOAD_AVE_CVT, FSCALE definitions to
	the only user: s/unixware.h.
	* ecrt0.c: Remove #ifndef static.  Inline CRT0_DUMMIES definition
	from m/intel386.h.
	* s/unixware.h (LOAD_AVE_TYPE, LOAD_AVE_CVT, FSCALE): Definitions
	moved here from m/intel386.h.

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	* m/mips.h: Remove #if 0 code.

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2010-04-23  Eli Zaretskii  <eliz@gnu.org>

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	Fix display of composed characters from L2R scripts in bidi buffers.
	* xdisp.c (set_iterator_to_next, next_element_from_composition):
	After advancing IT past the composition, resync the bidi iterator
	with IT's position.  (Bug#5977)

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2010-04-23  Dan Nicolaescu  <dann@ics.uci.edu>

	* Makefile.in (LD_SWITCH_MACHINE_TEMACS): Remove, unused.
	(TEMACS_LDFLAGS): Don't use LD_SWITCH_SYSTEM_TEMACS.

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2010-04-23  Stefan Monnier  <monnier@iro.umontreal.ca>

	* gtkutil.c: Include xsettings.h for Ftool_bar_get_system_style.

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2010-04-23  Eli Zaretskii  <eliz@gnu.org>

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	Support `display' text properties and overlay strings in bidi buffers.
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	* xdisp.c (pop_it): When the stack is popped after displaying
	from a string, bidi-iterate to exit from the text portion covered
	by the `display' property or overlay.  (Bug#5988, bug#5920)

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2010-04-23  Dan Nicolaescu  <dann@ics.uci.edu>

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	* m/macppc.h (LD_SWITCH_SYSTEM_TEMACS): Remove #undef.
	(LD_SWITCH_MACHINE_TEMACS): Remove, configure sets nocombreloc.

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	* s/netbsd.h (LD_SWITCH_SYSTEM_TEMACS): Remove, configure sets nocombreloc.
	* s/openbsd.h (LD_SWITCH_SYSTEM_TEMACS): Remove.

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	Simplify STARTFILES definition.
	* s/hpux10-20.h (START_FILES): Explicitly define here instead of
	relying on Makefile.in to define it.
	* s/cygwin.h (START_FILES): Likewise.
	* Makefile.in (STARTFILES): Remove conditional code, not needed anymore.

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	Clean up Solaris code.
	* s/sol2-6.h (LD_SWITCH_SYSTEM_TEMACS, C_SWITCH_X_SYSTEM)
	(LIB_MOTIF): Remove, configure takes care of this.
	(NOT_USING_MOTIF): Remove, unused.
	* xrdb.c: Remove #if 0-ed #include.
	(SYSV): Remove conditional for old SysV.
	* sysdep.c (closedir): Remove conditional code for Solaris,
	Solaris has closedir.

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2010-04-22  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c (read_and_apply_settings): Check if current_font is
	NULL before strcmp (Bug#6001).

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2010-04-21  Dan Nicolaescu  <dann@ics.uci.edu>

	Clean up HP-UX files.
	* m/hp800.h (NO_REMAP, VIRT_ADDR_VARIES, DATA_SEG_BITS)
	(DATA_START, TEXT_START, LOAD_AVE_TYPE, LOAD_AVE_CVT)
	(LDAV_SYMBOL, index, rindex): Move definitions only used in HP-UX ...
	* s/hpux10-20.h: ... to the only user, here.

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2010-04-21  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_find_paragraph_start, bidi_at_paragraph_end): Don't
	use buffer-local values of paragraph-start and paragraph-separate.
	<paragraph_start_re, paragraph_separate_re>: Rename from
	fallback_paragraph_start_re and fallback_paragraph_separate_re.
	(Bug#5992)

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2010-04-21  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c: Qmonospace_font_name, Qtool_bar_style and
	current_tool_bar_style are new.
	(store_config_changed_event): Rename from store_font_changed_event.
	(XSETTINGS_TOOL_BAR_STYLE): New define.
	(SEEN_FONT, SEEN_TB_STYLE): New enum values.
	(struct xsettings): Add font and tb_style, set xft stuff inside #ifdef
	HAVE_XFT.
	(something_changedCB): store_font_changed_event is now
	store_config_changed_event
	(parse_settings): Rename from parse_xft_settings.  Read
	non-xft xsettings outside #ifdef HAVE_XFT.
	(read_settings): Renamed from read_xft_settings.
	(apply_xft_settings): Take current settings as parameter.  Do not
	call read_(xft)_settings.
	(read_and_apply_settings): New function.
	(xft_settings_event): Do non-xft stuff out of HAVE_XFT.  Call
	read_and_apply_settings if there are settings to be read.
	(init_xsettings): Renamed from init_xfd_settings.
	Call read_and_apply_settings unconditionally.
	(xsettings_initialize): Call init_xsettings.
	(Ftool_bar_get_system_style): New function.
	(syms_of_xsettings): Define Qmonospace_font_name and
	Qtool_bar_style.  Initialize current_tool_bar_style to nil.
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	defsubr Stool_bar_get_system_style.  Fprovide on
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	dynamic-setting.
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	Move misplaced HAVE_GCONF
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	* xsettings.h (Ftool_bar_get_system_style): Declare.

	* xdisp.c: Vtool_bar_style, tool_bar_max_label_size,
	Qtext, Qboth, Qboth_horiz are new.
	(syms_of_xdisp): Intern Qtext, Qboth, Qboth_horiz, DEFVAR
	Vtool_bar_style, tool_bar_max_label_size.

	* lisp.h: Extern declare Qtext, Qboth, Qboth_horiz.

	* keyboard.c: QClabel is new.
	(parse_tool_bar_item): Take out QClabel from tool bar items.
	Try to construct a label if ther is no QClabel.
	(syms_of_keyboard): Intern :label as QClabel.

	* dispextern.h (tool_bar_item_idx): TOOL_BAR_ITEM_LABEL is new.
	(Vtool_bar_style, tool_bar_max_label_size, DEFAULT_TOOL_BAR_LABEL_SIZE):
	New.

	* Makefile.in (SOME_MACHINE_LISP): font-setting.el renamed to
	dynamic-setting.el.

	* gtkutil.c (xg_tool_bar_menu_proxy): Handle label in tool bar item.
	(xg_make_tool_item, xg_show_toolbar_item): New function.
	(update_frame_tool_bar): Take label from TOOL_BAR_ITEM_LABEL.
	Call xg_make_tool_item to make a tool bar item.
	Call xg_show_toolbar_item.  Use wtoolbar instead of x->toolbar_widget.

	* xterm.c (x_draw_image_relief): Take Vtool_bar_button_margin
	into account for toolbars.

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2010-04-21  Jan Djärv  <jan.h.d@swipnet.se>

	* data.c (make_blv): Declarations before code (Bug#5993).

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2010-04-21  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (DBUS_OBJ, GTK_OBJ, XMENU_OBJ, XOBJ):
	Define using autoconf, not cpp.
	(LIBXSM): New variable, set by autoconf.
	(LIBXT): Use $LIBXSM.

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2010-04-21  Dan Nicolaescu  <local_user@dannlt>

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	Remove NOMULTIPLEJOBS, unused.
	* s/template.h (NOMULTIPLEJOBS):
	* s/msdos.h (NOMULTIPLEJOBS): Remove, unused.

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	Simplify LD_SWITCH_SYSTEM_TEMACS usage.
	* s/freebsd.h (LD_SWITCH_SYSTEM_TEMACS):
	* s/gnu-linux.h (LD_SWITCH_SYSTEM_TEMACS): Remove, configure
	detects -znocombreloc and passes it to the linker
	* s/hpux10-20.h (LD_SWITCH_SYSTEM_TEMACS): Remove, empty.

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2010-04-21  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (LIBSELINUX_LIBS): Move out of #ifdef.

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2010-04-21  Karel Klíč  <kklic@redhat.com>

	* Makefile.in (LIBSELINUX_LIBS): New.
	(LIBES): Add $LIBSELINUX_LIBS.
	* eval.c, lisp.h (call7): New function.
	* fileio.c [HAVE_LIBSELINUX]: Include selinux headers.
	(Ffile_selinux_context, Fset_file_selinux_context):
	New functions.
	(Fcopy_file): New parameter preserve-selinux-context.
	(Frename_file): Preserve selinux context when renaming by copy-file.

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2010-04-21  Juanma Barranquero  <lekktu@gmail.com>
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            Eli Zaretskii  <eliz@gnu.org>
861

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Juanma Barranquero committed
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	Don't depend on cm.c or termcap.c on Windows, use stubs.
	* makefile.w32-in (OBJ1): Remove cm.$(O) and termcap.$(O).
	($(BLD)/cm.$(O), $(BLD)/termcap.$(O)): Remove.
	* w32console.c (current_tty, cost): New vars; lifted from cm.c.
	(evalcost, cmputc, cmcheckmagic, cmcostinit, cmgoto, Wcm_clear)
	(sys_tputs, sys_tgetstr): New stubs.
	* s/ms-w32.h (chcheckmagic, cmcostinit, cmgoto, cmputc, Wcm_clear)
	(tputs, tgetstr): New; define to sys_*.
870

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2010-04-20  Juanma Barranquero  <lekktu@gmail.com>

	* buffer.c (syms_of_buffer) <bidi-display-reordering>: Doc fix.

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2010-04-20  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* data.c (Fmake_variable_buffer_local, Fmake_local_variable):
	Just signal a warning rather than an error when inside a let.
	(Fmake_variable_frame_local): Add the same test.

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	* font.c (syms_of_font): Make the style table vars read-only.

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	* buffer.h (struct buffer): Remove unused var `direction_reversed'.
	* buffer.c (init_buffer_once, syms_of_buffer): Remove its initialization.

	* bidi.c (bidi_initialize): Simplify fallback_paragraph_*_re init.

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2010-04-20  Eli Zaretskii  <eliz@gnu.org>

	Fix R2L paragraph display on TTY.

	* xdisp.c (unproduce_glyphs): New function.
	(display_line): Use it when produced glyphs are discarded from R2L
	glyph rows.
	(append_composite_glyph): In R2L rows, prepend the glyph rather
	than appending it.

	* term.c (append_composite_glyph): In R2L rows, prepend the glyph
	rather than append it.  Set up the resolved_level and bidi_type
	attributes of the appended glyph.
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	(produce_special_glyphs): Mirror the backslash continuation
	character in R2L lines.
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	Implement display of R2L paragraphs in GUI sessions.
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	* xdisp.c [HAVE_WINDOW_SYSTEM]: Add prototype for
	append_stretch_glyph.
	(set_cursor_from_row) <cursor_x>: Remove unused variable.  Fix
	off-by-one error in computing x at end of text in the row.
	(append_stretch_glyph): In reversed row, prepend the glyph rather
	than append it.  Set resolved_level and bidi_type of the glyph.
	(extend_face_to_end_of_line): If the row is reversed, prepend a
	stretch glyph whose width is such that the rightmost glyph will be
	drawn at the right margin of the window.  Fix off-by-one error on
	TTY frames in testing whether a line needs face extension.  Fix
	face extension at ZV.  If this is the last glyph row, use
	DEFAULT_FACE_ID, to avoid painting the rest of the window with the
	region face.
	(set_cursor_from_row, display_line): Use
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	MATRIX_ROW_CONTINUATION_LINE_P instead of testing value of
	row->continuation_lines_width.
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	(next_element_from_buffer): Don't call bidi_paragraph_init if we
	are at ZV.  Fixes a crash when reseated to ZV by
	try_window_reusing_current_matrix.
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	(display_and_set_cursor, erase_phys_cursor): Handle negative HPOS,
	which happens with R2L glyph rows.  Fixes a crash when inserting a
	character at end of an R2L line.
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	(set_cursor_from_row): Don't be fooled by truncated rows: don't
	treat them as having zero-width characters.  Improve comments.
	Don't reverse pos_before and pos_after for reversed glyph rows.
	Set cursor.x to negative value when the cursor might be on the
	left fringe.
	(IT_OVERFLOW_NEWLINE_INTO_FRINGE): For R2L lines, consider the
	left fringe, not the right one.
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	(notice_overwritten_cursor, draw_phys_cursor_glyph)
	(erase_phys_cursor): For reversed cursor_row, support cursor on
	the left fringe.

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	* fringe.c (update_window_fringes): For R2L rows, swap the bitmaps
	of continuation indicators on the fringes.
	(draw_fringe_bitmap): For reversed glyph rows, allow cursor on the
	left fringe.

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	* w32term.c (w32_draw_window_cursor): For reversed glyph rows,
	draw cursor on the left fringe.

	* xterm.c (x_draw_window_cursor): For reversed glyph rows, draw
	cursor on the left fringe.

	* dispnew.c (update_text_area): Handle reversed desired rows when
	the cursor is on the left fringe.
	(set_window_cursor_after_update): Limit cursor's hpos by -1 from
	below, not by 0, for when the cursor is on the left fringe.

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2010-04-20  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_event_is_for_scrollbar): Check if grabbed
	widget is a scrollbar.

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2010-04-20  Kenichi Handa  <handa@m17n.org>

	* charset.c (char_charset): Consider Vcharset_non_preferred_head
	only when the arg CHARSET_LIST is nil.

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2010-04-20  Stefan Monnier  <monnier@iro.umontreal.ca>

	Make variable forwarding explicit rather the using special values.
	Basically, this makes the structure of buffer-local values and object
	forwarding explicit in the type of Lisp_Symbols rather than use
	special Lisp_Objects for that.  This tends to lead to slightly more
	verbose code, but is more C-like, simpler, and makes it easier to make
	sure we handled all cases, among other things by letting the compiler
	help us check it.
	* lisp.h (enum Lisp_Misc_Type, union Lisp_Misc):
	Removing forwarding objects.
	(enum Lisp_Fwd_Type, enum symbol_redirect, union Lisp_Fwd): New types.
	(struct Lisp_Symbol): Make the various forms of variable-forwarding
	explicit rather than hiding them inside Lisp_Object "values".
	(XFWDTYPE): New macro.
	(XINTFWD, XBOOLFWD, XOBJFWD, XKBOARD_OBJFWD): Redefine.
	(XBUFFER_LOCAL_VALUE): Remove.
	(SYMBOL_VAL, SYMBOL_ALIAS, SYMBOL_BLV, SYMBOL_FWD, SET_SYMBOL_VAL)
	(SET_SYMBOL_ALIAS, SET_SYMBOL_BLV, SET_SYMBOL_FWD): New macros.
	(SYMBOL_VALUE, SET_SYMBOL_VALUE): Remove.
	(struct Lisp_Intfwd, struct Lisp_Boolfwd, struct Lisp_Objfwd)
	(struct Lisp_Buffer_Objfwd, struct Lisp_Kboard_Objfwd):
	Remove the Lisp_Misc_* header.
	(struct Lisp_Buffer_Local_Value): Redefine.
	(BLV_FOUND, SET_BLV_FOUND, BLV_VALUE, SET_BLV_VALUE): New macros.
	(struct Lisp_Misc_Any): Add filler to get the right size.
	(struct Lisp_Free): Use struct Lisp_Misc_Any rather than struct
	Lisp_Intfwd.
	(DEFVAR_LISP, DEFVAR_LISP_NOPRO, DEFVAR_BOOL, DEFVAR_INT)
	(DEFVAR_KBOARD): Allocate a forwarding object.
	* data.c (do_blv_forwarding, store_blv_forwarding): New macros.
	(let_shadows_global_binding_p): New function.
	(union Lisp_Val_Fwd): New type.
	(make_blv): New function.
	(swap_in_symval_forwarding, indirect_variable, do_symval_forwarding)
	(store_symval_forwarding, swap_in_global_binding, Fboundp)
	(swap_in_symval_forwarding, find_symbol_value, Fset)
	(let_shadows_buffer_binding_p, set_internal, default_value)
	(Fset_default, Fmake_variable_buffer_local, Fmake_local_variable)
	(Fkill_local_variable, Fmake_variable_frame_local)
	(Flocal_variable_p, Flocal_variable_if_set_p)
	(Fvariable_binding_locus):
	* xdisp.c (select_frame_for_redisplay):
	* lread.c (Fintern, Funintern, init_obarray, defvar_int)
	(defvar_bool, defvar_lisp_nopro, defvar_lisp, defvar_kboard):
	* frame.c (store_frame_param):
	* eval.c (Fdefvaralias, Fuser_variable_p, specbind, unbind_to):
	* bytecode.c (Fbyte_code) <varref, varset>: Adapt to the new symbol
	value structure.
	* buffer.c (PER_BUFFER_SYMBOL): Move from buffer.h.
	(clone_per_buffer_values): Only adjust markers into the current buffer.
	(reset_buffer_local_variables): PER_BUFFER_IDX is never -2.
	(Fbuffer_local_value, set_buffer_internal_1)
	(swap_out_buffer_local_variables):
	Adapt to the new symbol value structure.
	(DEFVAR_PER_BUFFER): Allocate a Lisp_Buffer_Objfwd object.
	(defvar_per_buffer): Take a new arg for the fwd object.
	(buffer_lisp_local_variables): Return a proper alist (different fix
	for bug#4138).
	* alloc.c (Fmake_symbol): Use SET_SYMBOL_VAL.
	(Fgarbage_collect): Don't handle buffer_defaults specially.
	(mark_object): Handle new symbol value structure rather than the old
	special Lisp_Misc_* objects.
	(gc_sweep) <symbols>: Free also the buffer-local-value objects.
	* term.c (set_tty_color_mode):
	* bidi.c (bidi_initialize): Don't access the ->value field directly.
	* buffer.h (PER_BUFFER_VAR_OFFSET): Don't bother with
	a buffer_local_flags.
	* print.c (print_object): Get rid of impossible forwarding objects.

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2010-04-19  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_get_type, bidi_get_category)
	(bidi_at_paragraph_end, bidi_resolve_weak, bidi_resolve_neutral)
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	(bidi_type_of_next_char, bidi_level_of_next_char):
	Declare static.  Use `INLINE' rather than `inline'.
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2010-04-19  Juanma Barranquero  <lekktu@gmail.com>

	* dired.c (Ffile_attributes): Fix typo in docstring.

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2010-04-19  Adrian Robert  <Adrian.B.Robert@gmail.com>
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	* nsmenu.m (EmacsDialog-runDialogAt:): Declare ret as
	NSInteger (Bug#5811).

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2010-04-19  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* s/darwin.h (PTY_ITERATION, PTY_NAME_SPRINTF, PTY_TTY_NAME_SPRINTF)
	(PTY_OPEN): New defines.  Use openpty (Bug#726, Bug#5819).

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2010-04-19  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* frame.h (FRAME_LINE_TO_PIXEL_Y): Add missing parenthesis.

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2010-04-19  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (prepare_menu_bars): Don't call ns_set_doc_edited for
	terminal frames (Bug#5837).

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2010-04-19  Eli Zaretskii  <eliz@gnu.org>

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	* .gdbinit (xsubchartable): New command.

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2010-04-19  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (display_line): Don't write beyond the last glyph row in
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	the desired matrix.  Fixes a crash in "emacs -nw" (bug#5972), see
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	http://lists.gnu.org/archive/html/emacs-devel/2010-04/msg00075.html
	and
	http://lists.gnu.org/archive/html/emacs-devel/2010-04/msg00213.html

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2010-04-18  Stefan Monnier  <monnier@iro.umontreal.ca>

	* alloc.c (Fpurecopy): Hash-cons if requested.
	(syms_of_alloc): Update purify-flag docstring.

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2010-04-18  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_set_geometry): Set size in geometry string also.
	(x_wm_set_size_hint): Set USER_POS in hint_flags (Bug#5968).

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2010-04-17  Eli Zaretskii  <eliz@gnu.org>

	Fix a crash when an NSM character is inserted at BEGV.

	* bidi.c (bidi_init_it): Fix initialization of bidi_it->prev.
	(bidi_resolve_weak): Don't use prev.type_after_w1 if it is
	NEUTRAL_B or UNKNOWN_BT.

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2010-04-16  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (set_cursor_from_row): Don't consider possibility of
	other rows with cursor unless they are different from this row and
	this row is part of a continued line.  (Bug#5943)

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2010-04-16  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/freebsd.h: Restore osreldate.h include.
	Suggested by Naohiro Aota.

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2010-04-16  Jan Djärv  <jan.h.d@swipnet.se>

	* xmenu.c (apply_systemfont_to_menu): *childs was incorrectly used.

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2010-04-16  Ken Brown  <kbrown@cornell.edu>  (tiny change)

	* s/cygwin.h: Avoid linking against static libgcc.

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2010-04-15  Juri Linkov  <juri@jurta.org>

	* window.c: Add Qscroll_command.
	Remove Vscroll_preserve_screen_position_commands.
	(window_scroll_pixel_based, window_scroll_line_based): Check the
	`scroll-command' property on the last command instead of searching
	the last command in Vscroll_preserve_screen_position_commands.
	(syms_of_window): Initialize and staticpro `Qscroll_command'.
	Put Qscroll_command property on Qscroll_up and Qscroll_down.
	(scroll-preserve-screen-position): Doc fix.
	(Vscroll_preserve_screen_position_commands): Remove variable.

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2010-04-15  Dan Nicolaescu  <dann@ics.uci.edu>

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	* xdisp.c (message): Do not use NO_ARG_ARRAY.

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2010-04-14  Dan Nicolaescu  <dann@ics.uci.edu>

	Reduce cpp use in Makefile.in.
	* Makefile.in (DBUS_CFLAGS, DBUS_LIBS, GCONF_CFLAGS, GCONF_LIBS)
	(LIBSOUND, CFLAGS_SOUND, RSVG_LIBS, RSVG_CFLAGS, INTERVALS_H)
	(GETLOADAVG_LIBS, RUN_TEMACS): Move to the autoconf section.
	(ORDINARY_LINK): Remove, defined in src/s/gnu.h.
	(CRT0_COMPILE): Remove, inline it in the only user.

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2010-04-14  Juri Linkov  <juri@jurta.org>

	* window.c (keys_of_window): Rebind `C-v' from `scroll-up' to
	`scroll-up-command' and `M-v' from `scroll-down' to
	`scroll-down-command'.

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2010-04-14  Juri Linkov  <juri@jurta.org>

	* window.c (Vscroll_preserve_screen_position_commands): New variable
	with the default value as the list of Qscroll_down and Qscroll_up.
	(window_scroll_pixel_based, window_scroll_line_based): Search the
	last command in the list Vscroll_preserve_screen_position_commands
	instead of comparing with Qscroll_up and Qscroll_down.

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2010-04-13  Jan Djärv  <jan.h.d@swipnet.se>

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	* gtkutil.c (xg_set_geometry): Set geometry for PPosition also.
	(x_wm_set_size_hint): Dont set position flags, gtk_window_parse_geometry
	does that.

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	* xfns.c (Fx_create_frame, x_create_tip_frame): Set default border width
	to zero.

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2010-04-13  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* term.c (init_tty): Move common text outside of #ifdef TERMINFO.

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	Try to solve the problem of spurious EOF chars in long lines of text
	sent to interactive subprocesses.
	* sysdep.c (child_setup_tty): Do not enable ICANON any more.
	(system_process_attributes): Remove unused var `ttotal'.
	* process.c (send_process): Don't bother breaking long line with EOF
	chars when talking to ttys any more.
	(wait_reading_process_output): Output a warning when called in such
	a way that it could block without being interruptible.

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	Try to detect file modification within the same second.
	* buffer.h (struct buffer): New field modtime_size.
	* buffer.c (reset_buffer): Initialize it.
	* fileio.c (Finsert_file_contents, Fwrite_region): Set it.
	(Fverify_visited_file_modtime): Check it.
	(Fclear_visited_file_modtime, Fset_visited_file_modtime): Clear it.
	(Fset_visited_file_modtime): Set (or clear) it.

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2010-04-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* process.c (status_notify): Remove unused var `ro'.

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2010-04-12  Jan Djärv  <jan.h.d@swipnet.se>

	* xfns.c (select_visual): Don't call error if XGetVisualInfo returns
	more than one visual (Bug#5938).

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2010-04-12  Dan Nicolaescu  <dann@ics.uci.edu>

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	* Makefile.in (C_SWITCH_SYSTEM,C_SWITCH_MACHINE,C_SWITCH_X_SITE):
	Undefine.
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2010-04-11  Dan Nicolaescu  <dann@ics.uci.edu>

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	Remove C_SWITCH_SYSTEM_TEMACS.
	* s/darwin.h (C_SWITCH_SYSTEM_TEMACS): Remove.
	(malloc, realloc, free): Use emacs, not temacs for conditional
	definition.

	* Makefile.in (C_SWITCH_SYSTEM_TEMACS): Remove.
	(ALL_CFLAGS): Do not use C_SWITCH_SYSTEM_TEMACS.

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	Use autoconf, not cpp for some variables.
	* Makefile.in (C_SWITCH_SYSTEM, C_SWITCH_MACHINE)
	(C_SWITCH_X_SITE): Define using autoconf, not cpp.
	(ALL_CFLAGS): Use them as make variables.
	(really-lwlib, really-oldXMenu): Do not pass them.

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2010-04-11  Jan Djärv  <jan.h.d@swipnet.se>

	* xmenu.c (apply_systemfont_to_dialog): New.
	(create_and_show_dialog): Call apply_systemfont_to_dialog if HAVE_XFT.

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2010-04-11  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* process.c (exec_sentinel): Preserve current-buffer.

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	* process.c (read_process_output): Move the save-current-buffer to
	apply to both the filter and the non-filter branches.

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2010-04-10  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/msdos.h (UNEXEC): New definition.

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2010-04-10  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>

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	* dispextern.h (TRY_WINDOW_CHECK_MARGINS)
	(TRY_WINDOW_IGNORE_FONTS_CHANGE): New defines.

	* xdisp.c (try_window): Change arg from CHECK_MARGINS to FLAGS.
	Don't abort with fonts change if TRY_WINDOW_IGNORE_FONTS_CHANGE is
	set in FLAGS.  Callers with non-zero CHECK_MARGINS changed to use
	TRY_WINDOW_CHECK_MARGINS.

	* xfns.c (Fx_show_tip): Undo last change.  Call try_window with
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	TRY_WINDOW_IGNORE_FONTS_CHANGE (Bug#2423).  Subtract last glyph's
	width only when it is for padding.
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2010-04-09  Jan Djärv  <jan.h.d@swipnet.se>

	* xfns.c (Fx_show_tip): Call try_window in a loop until
	fonts_changed_p is zero (Bug#2423).

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2010-04-08  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (set_cursor_from_row): Don't dereference glyphs beyond
	the end of TEXT_AREA.  (Bug#5856)

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2010-04-08  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c (XSETTINGS_FONT_NAME): Move XSETTINGS_FONT_NAME out of
	HAVE_GCONF.

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2010-04-08  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_resolve_weak): Use prev.type_after_w1, instead of
	prev.orig_type, for resolving type of NSM.  (Bug#5858)

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2010-04-08  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c (current_font, SYSTEM_FONT, XSETTINGS_FONT_NAME): New.
	(parse_xft_settings): Also check for XSETTINGS_FONT_NAME and save that
	in current_font.
	(init_gconf): Read value of SYSTEM_FONT and save it in current_font.
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	(Ffont_get_system_normal_font, xsettings_get_system_normal_font):
	New functions.
	(syms_of_xsettings): Initialize current_font.
	defsubr Sfont_get_system_normal_font.
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	* xsettings.h (Ffont_get_system_normal_font,
	xsettings_get_system_normal_font): Declare.

	* xfns.c (extern xlwmenu_default_font): Remove.
	(Fx_create_frame): Remove setting of xlwmenu_default_font, moved
	to xlwmenu.c.

	* menu.c (digest_single_submenu): If USE_LUCID and HAVE_XFT, encode
	menu items in UTF-8.

	* xmenu.c: include xsettings.h and xlwmenu.h if USE_LUCID.
	(apply_systemfont_to_menu): New function.
	(set_frame_menubar, create_and_show_popup_menu): Call
	apply_systemfont_to_menu.

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2010-04-07  Jan Djärv  <jan.h.d@swipnet.se>

	* frame.h (FRAME_TEXT_LINES_TO_PIXEL_HEIGHT): Don't use
	FRAME_LINE_TO_PIXEL_Y.

	* xterm.c (x_set_window_size_1): Don't add border_width/height to
	pixelwidth/height.

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2010-04-07  Dan Nicolaescu  <dann@ics.uci.edu>

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	Simplify code for HP machines.
	* m/hp800.h (LOAD_AVE_TYPE, LOAD_AVE_CVT, NO_REMAP): Do not define
	for GNU_LINUX, not needed.
	(UNEXEC, NEED_BSDTTY): Move definitions...
	* s/hpux10-20.h (UNEXEC, NEED_BSDTTY): ... here.

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	* m/iris4d.h (UNEXEC): Move definition ...
	* s/irix6-5.h (UNEXEC): ... here.

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2010-04-04  Jan Djärv  <jan.h.d@swipnet.se>

	* xfns.c (set_machine_and_pid_properties): New function.
	(Fx_create_frame): Call set_machine_and_pid_properties.

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2010-04-03  Eli Zaretskii  <eliz@gnu.org>

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	* bidi.c (bidi_resolve_explicit, bidi_level_of_next_char): Check
	bidi_it->bytepos against ZV_BYTE instead of bidi_it->ch against
	BIDI_EOB.  Fixes infloop with vertical cursor motion at ZV.

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	* w32fns.c (x_create_tip_frame): Copy `parms' before we modify it
	in this function.  (Bug#5703)

2010-04-03  Chong Yidong  <cyd@stupidchicken.com>

	* nsterm.h: Fix last change.

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2010-04-03  Dan Nicolaescu  <dann@ics.uci.edu>

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	* m/intel386.h (NO_REMAP): Move definition ...
	* s/msdos.h (NO_REMAP): ... here.

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	* m/vax.h (CRT0_DUMMIES): Remove, unused.

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	* ecrt0.c: Remove MSDOS, m68k and __sparc__ conditionals, file not
	used on those platforms.

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2010-04-02  Dan Nicolaescu  <dann@ics.uci.edu>

	Remove extern errno declarations.
	* xterm.c:
	* xrdb.c:
	* w32term.c:
	* unexec.c:
	* unexaix.c:
	* sysdep.c:
	* process.c:
	* lread.c:
	* keyboard.c:
	* floatfns.c:
	* filelock.c:
	* fileio.c:
	* emacs.c (main):
	* ecrt0.c:
	* dispnew.c:
	* callproc.c:
	* buffer.c: Remove errno extern declarations.
	* s/netbsd.h (NEED_ERRNO): Remove.

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2010-04-01  Dan Nicolaescu  <dann@ics.uci.edu>

	Remove all uses of LIBX11_SYSTEM.
	* Makefile.in (LIBX11_SYSTEM): Remove.
	* s/msdos.h (LIBX11_SYSTEM): Do not define, define LIBS_SYSTEM
	instead.

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2010-04-01  Eli Zaretskii  <eliz@gnu.org>

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	Remove support for DJGPP v1.x (bug#5813).

	* w16select.c (__dpmi_int): Remove DJGPP v1.x compatibility.
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	* s/msdos.h:
	* unexec.c (make_hdr, copy_text_and_data):
	* sysdep.c (wait_for_termination, sys_subshell):
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	* msdos.c (dos_set_window_size, msdos_set_cursor_shape)
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	(IT_set_terminal_modes, __write, _rename, gethostname)
	(gettimeofday, alarm, fork, kill, dos_ttraw, dos_ttcooked)
	(run_msdos_command, abort): Remove DJGPP v1.x code and tests of
	the value of __DJGPP__.
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	(nice, pause, sigsetmask, sigblock): Remove DJGPP v1.x
	compatibility code.
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	* lread.c:
	* gmalloc.c (memalign):
	* fileio.c (Fcopy_file, check_executable, Ffile_modes):
	* emacs.c (main):
	* dosfns.c (init_dosfns):
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	* dired.c (file_name_completion_stat): Remove tests of __DJGPP__.

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2010-04-01  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (set_cursor_from_row): Fix cursor positioning when the
	string with `cursor' property comes from an `after-string'
	overlay.  (Bug#5816)

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2010-04-01  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (LIBTIFF, LIBJPEG, LIBPNG, LIBGIF, LIBXPM, XFT_LIBS):
	Define as Makefile variables.
	(LIBX): Use above variables rather than directly using autoconf.

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2010-03-31  Dan Nicolaescu  <dann@ics.uci.edu>

	Clean up BSD_SYSTEM use.
	* xterm.c:
	* process.c:
	* emacs.c: Use HAVE_SYS_IOCTL_H instead of BSD_SYSTEM as a guard
	for including <sys/ioctl.h>.
	* sysdep.c (wait_without_blocking): Remove BSD_SYSTEM case, this
	code is only used for MSDOS.

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2010-03-31  Juri Linkov  <juri@jurta.org>

	* image.c: Add `Qextension_data'.
	(syms_of_image): Initialize and staticpro `Qextension_data'.
	(Fimage_metadata): Rename from `Fimage_extension_data'.
	(gif_load): Put GIF extension data to the property
	`Qextension_data'.

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2010-04-05  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (prepare_menu_bars): Don't call ns_set_doc_edited for
	terminal frames (Bug#5837).

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2010-03-31  Chong Yidong  <cyd@stupidchicken.com>

	* nsfns.m (ns_set_doc_edited): Remove unused arg OLDVAL.
	* nsterm.h: Fix prototype.

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2010-03-31  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (highlight_trailing_whitespace): Support highlight of
	trailing whitespace in right-to-left rows.

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2010-03-31  Stefan Monnier  <monnier@iro.umontreal.ca>

	Get rid of the direct_output optimizations.
	* keyboard.c (nonundocount): Remove extern declaration.
	(command_loop_1): Remove brittle optimisation for cheap and
	common operations.
	* xdisp.c (redisplay_internal): Don't bother checking
	redisplay_performed_directly_p any more.
	* sysdep.c (init_sys_modes): Don't call direct_output_forward_char
	any more.
	* dispnew.c (redisplay_performed_directly_p)
	(direct_output_for_insert, direct_output_forward_char):
	* dispextern.h (redisplay_performed_directly_p)
	(direct_output_for_insert, direct_output_forward_char): Remove.
	* cmds.c (nonundocount): Make it static.

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2010-03-31  Bernhard Herzog  <bh@intevation.de>  (tiny change)
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	* menu.c (Fx_popup_menu): Use last_event_timestamp (Bug#4930).

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2010-03-31  Jan Djärv  <jan.h.d@swipnet.se>
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	* xdisp.c (note_mouse_highlight): Don't do highlight if pointer is
	invisible (Bug#5766).

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2010-03-31  Adrian Robert  <adrian.b.robert@gmail.com>
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	* xdisp.c (x_consider_frame_title, update_window_cursor):
	Remove HAVE_NS conditionals.
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	(prepare_menu_bars) [HAVE_NS]: Call ns_set_doc_edited.
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	* nsfns.m (x_implicitly_set_name): If frame-title-format is t, use
	filename for the title.
	(ns_set_doc_edited): Do nothing if the selected window is a
	minibuffer window.

	* nsterm.h: Add prototypes for ns_set_name_as_filename and
	ns_set_doc_edited.

	* nsterm.m: Remove unneeded prototype.

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2010-03-31  Glenn Morris  <rgm@gnu.org>
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	* Makefile.in (SOME_MACHINE_OBJECTS): Ensure dbus stuff is always
	in the DOC file.  (Bug#5336)

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2010-03-31  Chong Yidong  <cyd@stupidchicken.com>
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	* xdisp.c (pos_visible_p): Revert 2008-01-25 change (Bug#5730).

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2010-03-31  Stefan Monnier  <monnier@iro.umontreal.ca>

	* window.c (keys_of_window): Remove redundant/overridden bindings.

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2010-03-30  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (BUFFER_POS_REACHED_P, move_it_in_display_line_to):
	Restore original behavior when the iterator is not bidi_p.

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2010-03-30  Dan Nicolaescu  <dann@ics.uci.edu>

	* xdisp.c (syms_of_xdisp): Use intern_c_string instead of intern.

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2010-03-30  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_cache_iterator_state): Invalidate the cache if we
	are outside the range of cached character positions.

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2010-03-30  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/bidi.$(O)): Add dependency on w32gui.h.

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2010-03-30  Eli Zaretskii  <eliz@gnu.org>

	Initial support for bidirectional editing.

	* Makefile.in (obj): Include bidi.o.
	(bidi.o): New target.

	* makefile.w32-in (OBJ1): Add $(BLD)/bidi.$(O).
	($(BLD)/bidi.$(O)): New target.

	* bidi.c: New file.

	* buffer.h (struct buffer): New members bidi_display_reordering
	and bidi_paragraph_direction.

	* buffer.c (init_buffer_once): Initialize bidi_display_reordering
	and bidi_paragraph_direction.
	(syms_of_buffer): Declare Lisp variables bidi-display-reordering
	and bidi-paragraph-direction.
	(Fbuffer_swap_text): Swap the values of
	bidi_display_reordering and bidi_paragraph_direction.

	* dispextern.h (BIDI_MAXLEVEL, BIDI_AT_BASE_LEVEL): New macros.
	(bidi_type_t, bidi_dir_t): New types.
	(bidi_saved_info, bidi_stack, bidi_it): New structures.
	(struct it): New members bidi_p, bidi_it, paragraph_embedding,
	prev_stop, base_level_stop, and eol_pos.
	(bidi_init_it, bidi_get_next_char_visually): New prototypes.
	(IT_STACK_SIZE): Enlarge to 5.
	(struct glyph_row): New member reversed_p.
	<string_buffer_position>: Update prototype.
	(PRODUCE_GLYPHS): Set the reversed_p flag in the iterator's
	glyph_row if bidi_it.paragraph_dir == R2L.
	(struct glyph): New members resolved_level and bidi_type.

	* dispnew.c (direct_output_forward_char): Give up if we need bidi
	processing or buffer's direction is right-to-left.
	(prepare_desired_row): Preserve the reversed_p flag.
	(row_equal_p): Compare the reversed_p attributes as well.

	* xdisp.c (init_iterator): Initialize it->bidi_p.  Call
	bidi_init_it and set it->paragraph_embedding from the current
	buffer's value of bidi_paragraph_direction.
	(reseat_1): Initialize bidi_it.first_elt.
	(set_iterator_to_next, next_element_from_buffer): Use the value of
	paragraph_embedding to determine the paragraph direction.
	(set_iterator_to_next): Under bidi reordering, call
	bidi_get_next_char_visually.  Call bidi_paragraph_init if the
	new_paragraph flag is set in the bidi iterator.
	(next_element_from_buffer): If bidi_it.first_elt is set,
	initialize paragraph direction and find the first character to
	display in the visual order.  If reseated to a middle of a line,
	prime the bidi iterator starting at the line's beginning.  Handle
	the situation where we overstepped stop_charpos due to
	non-linearity of the bidi iteration.  Likewise for when we back up
	beyond the previous stop_charpos.  When moving across stop_charpos,
	record it in prev_stop.
	(display_line): Set row->end and it->start for the next row to the
	next character in logical order.  Always extend reversed_p rows to
	the end of line, even if they end at ZV.  Copy the reversed_p flag
	to the next glyph row.  Keep calling set_cursor_from_row for
	bidi-reordered rows even if we already have a possible candidate
	for cursor position.  Set row_end after all the row's glyphs have
	been produced, by looping over the glyphs.  Record the position
	after EOL in it->eol_pos, and use it to set end_pos of the last
	row produced for a continued line.
	<Qright_to_left, Qleft_to_right>: New variables.
	(syms_of_xdisp): Initialize and staticpro them.
	(string_buffer_position_lim): New function.
	(string_buffer_position): Most of code moved to
	string_buffer_position_lim.  Last argument and return value are
	now EMACS_INT; all callers changed.
	(set_cursor_from_row): Rewritten to support bidirectional text and
	reversed glyph rows.
	(text_outside_line_unchanged_p, try_window_id): Disable
	optimizations if we are reordering bidirectional text and the
	paragraph direction can be affected by the change.
	(append_glyph, append_composite_glyph)
	(produce_image_glyph, append_stretch_glyph): Set the
	resolved_level and bidi_type members of each glyph.
	(append_glyph): If the glyph row is reversed, prepend the glyph
	rather than appending it.
	(handle_stop_backwards): New function.
	(reseat_1, pop_it, push_it): Set prev_stop and base_level_stop.
	(reseat): call handle_stop_backwards to recompute prev_stop and
	base_level_stop for the new position.
	(handle_invisible_prop): Under bidi iteration, skip invisible text
	using bidi_get_next_char_visually.  If we are `reseat'ed, init the
	paragraph direction.  Update IT->prev_stop after skipping
	invisible text.
	(move_it_in_display_line_to): New variables prev_method
	and prev_pos.  Compare for strict equality in
	BUFFER_POS_REACHED_P.
	(try_cursor_movement): Examine all the candidate rows that occlude
	point, to return the best match.  If rows are bidi-reordered
	and point moved backwards, back up to the row that is not a
	continuation line, and start looking for a suitable row from
	there.

	* term.c (append_glyph): Reverse glyphs by pre-pending them,
	rather than appending, if the glyph_row's reversed_p flag is set.
	Set the resolved_level and bidi_type members of each glyph.

	* .gdbinit (pbiditype): New command.
	(pgx): Use it to display bidi level and type of the glyph.
	(pitx): Display some bidi information about the iterator.
	(prowlims, pmtxrows): New commands.

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