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2003-03-14  Richard M. Stallman  <rms@gnu.org>

	* lread.c (read1): After #!, exit loop on eof.

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2003-03-14  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

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	* gtkutil.h: Add declaration for xg_frame_cleared.

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	* xterm.c (x_clear_frame): Call xg_frame_cleared for GTK.

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	* gtkutil.c (struct xg_last_sb_pos): New structure.
	(handle_fixed_child): New function.
	(xg_resize_widgets): Call handle_fixed_child on all scroll bar widgets
	and force a redraw on them.
	(xg_gtk_scroll_destroy): Free struct xg_last_sb_pos also.
	(xg_create_scroll_bar): Add struct xg_last_sb_pos to scroll bar
	so we can avoid unneeded redraws.
	(xg_update_scrollbar_pos): Invalidate data in xg_last_sb_pos
	and force a redraw on the scroll bar.
	(xg_set_toolkit_scroll_bar_thumb): Do not change/redraw scroll bar
	if xg_last_sb_pos shows the positions are up to date.
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	(xg_frame_cleared): New function.
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2003-03-13  Kenichi Handa  <handa@m17n.org>

	* coding.c (Fdetect_coding_region): Fix docstring.
	(Fdetect_coding_string): Fix docstring.

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2003-03-13  Andreas Schwab  <schwab@suse.de>

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	* gtkutil.c: Add prototype for create_menus.

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	* data.c (long_to_cons): Fix type of top.

	* xselect.c (selection_data_to_lisp_data): Use int instead of
	long for an integer of size 4.

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	* gtkutil.c (xg_update_frame_menubar): Add missing return value.
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	(xg_tool_bar_help_callback): Likewise.
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2003-03-12  Andreas Schwab  <schwab@suse.de>

	* xterm.c (x_term_init) [USE_GTK]: Fix typo.

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2003-03-12  Kim F. Storm  <storm@cua.dk>

	The following changes consolidates the fringe handling from
	xterm.c, w32term.c, and macterm.c into xdisp.c.
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	* xdisp.c: Consolidate fringe handling code here.
	(left_bits, right_bits, continued_bits, continuation_bits)
	(ov_bits, zv_bits): Define fringe bitmaps.
	(fringe_bitmaps): New array holding fringe bitmaps.
	(draw_fringe_bitmap): Draw a specific bitmap; call display
	specific drawing routine via rif->draw_fringe_bitmap.
	(draw_row_fringe_bitmaps): Generic replacement for
	x_draw_row_fringe_bitmaps; all callers changed.
	(compute_fringe_widths): Generic replacement for
	x_compute_fringe_widths; all callers changed.

	* dispextern.h (enum fringe_bitmap_type): Define here.
	(struct fringe_bitmap, struct draw_fringe_bitmap_params): New.
	(fringe_bitmaps): Declare extern.
	(struct redisplay_interface): New member draw_fringe_bitmap.
	(draw_row_fringe_bitmaps, compute_fringe_widths): Declare extern.

	* xterm.c: Remove generic fringe code.
	(x_draw_fringe_bitmap): Only perform actual fringe drawing.
	(x_redisplay_interface): Add x_draw_fringe_bitmap member.

	* w32term.c: Remove generic fringe code.
	(w32_draw_fringe_bitmap): Only perform actual fringe drawing.
	(w32_redisplay_interface): Add w32_draw_fringe_bitmap member.
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	* macterm.c: Remove generic fringe code.
	(x_draw_fringe_bitmap): Only perform actual fringe drawing.
	(x_redisplay_interface): Add x_draw_fringe_bitmap member.

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2003-03-11  Stefan Monnier  <monnier@cs.yale.edu>

	* print.c (Fprin1_to_string): Return unibyte string if possible.

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2003-03-09  David Kastrup  <dak@gnu.org>

	* process.c (read_process_output): We have allocated enough space
	for readmax and carryover, so actually use the alloted space.

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2003-03-09  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* keyboard.c (make_lispy_event): Extend mouse_syms if needed for
	toolkit scrollbar click.

	* xterm.c (x_window_to_scroll_bar): Call xg_get_scroll_id_for_window
	for USE_GTK.
	(x_scroll_bar_handle_click): Use this function for toolkit scrollbars
	also.
	(handle_one_xevent): ButtonPress/Release:  If event is for a toolkit
	scrollbar and control is pressed, call x_scroll_bar_handle_click.
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	* gtkutil.h: Declare xg_get_scroll_id_for_window.

	* gtkutil.c (xg_get_scroll_id_for_window): New function.
	(xg_tool_bar_item_expose_callback): New function.
	(xg_tool_bar_expose_callback): Call update_frame_tool_bar.
	(xg_create_tool_bar): Connect xg_tool_bar_expose_callback to expose
	on the tool bar widget.
	(update_frame_tool_bar): Connect xg_tool_bar_item_expose_callback
	to expose on the tool bar item widgets.

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2003-03-08  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

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	* gtkutil.c (update_frame_tool_bar): Compare pixmap ID instead of
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	struct image* when deciding to update (struct image* may have been
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	deleted from the image cache).

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	* xterm.c (handle_one_xevent): Pass ReparentNotify to Xt even if
	the event isn't for a frame (i.e. for dialogs).

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2003-03-07  Kenichi Handa  <handa@m17n.org>
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	* coding.c (CODING_ADD_COMPOSITION_COMPONENT): If the number of
	composition components reaches the limit, terminate composing.
	(COMPOSITION_OK): New macro.
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	(detect_coding_iso2022): Use it if an escape sequence for
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	composition is found.
	(coding_restore_composition): Adjust the number of composition
	components if it is not sane.

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2003-03-06  Juanma Barranquero  <lektu@terra.es>

	* w32term.h (struct w32_display_info): Add xrdb member to support
	passing resources via -xrm on Windows.

	* w32term.c (w32_make_rdb): New function.
	(w32_term_init): Use it to initialize xrdb member of w32_display_info
	struct.  Delete leftover code.

	* w32fns.c (Fx_get_resource, x_get_resource_string): Pass xrdb to check
	for resources passed on the command line.

	* w32reg.c (w32_get_rdb_resource): New function.
	(x_get_string_resource): Use it, so resources passed with -xrm
	supercede the ones in the registry.

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2003-03-04  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.c (x_detect_focus_change): Call x_any_window_to_frame
	instead of x_top_window_to_frame.

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2003-03-03  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xsmfns.c (smc_save_yourself_CB): Add --no-splash to options
	when restarting Emacs.

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2003-03-03  Richard M. Stallman  <rms@gnu.org>

	* buffer.c (Fkill_buffer): Use Frun_hook_with_args_until_failure
	to run kill-buffer-query-functions.
	(Qkill_buffer_query_functions): New var.
	(syms_of_buffer): Init and staticpro it.

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2003-03-02  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.h (XSync): Define as gdk_window_process_all_updates for GTK.

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2003-02-25  Kim F. Storm  <storm@cua.dk>

	* xdisp.c (redisplay_window): Fix infinite loop in redisplay.
	If centering point failed to make whole line visible and vscroll
	is non-zero, disable vscroll and try centering point again.

	* lread.c (read1): Accept `single space' syntax like (? x).

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2003-02-25  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* keyboard.c (cancel_hourglass_unwind): Surround with
	#ifdef HAVE_X_WINDOWS

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2003-02-25  Kenichi Handa  <handa@m17n.org>

	* buffer.c (Fset_buffer_multibyte): Pay attention to the buffer
	process only when "subprocesses" is defined.

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2003-02-24  Stefan Monnier  <monnier@cs.yale.edu>

	* syntax.c (back_comment): Only check nestedness of 2nd char if needed.

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2003-02-24  Juanma Barranquero  <lektu@terra.es>

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	* callint.c (fix_command): Declare as static void and move before
	Fcall_interactively.

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	* xdisp.c (Qwhen): Declare external; it's now defined in callint.c.
	(syms_of_xdisp): Don't initialize Qwhen.

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2003-02-23  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* keyboard.c (cancel_hourglass_unwind): New function.
	(command_loop_1): Cancel hourglass with unwind-protect.

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2003-02-23  Richard M. Stallman  <rms@gnu.org>

	* callint.c (fix_command): New subroutine, from Fcall_interactively.
	Detect (when ... (region-beginning)) etc.
	(Fcall_interactively): Call fix_command.
	(Qif, Qwhen): New variables.
	(syms_of_callint): Init and staticpro them.
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	* regex.c (print_partial_compiled_pattern): Output to stderr.

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2003-02-23  Kai Gro,A_(Bjohann  <kai.grossjohann@uni-duisburg.de>

	* dired.c (directory_files_internal): Don't expand directory.
	(Fdirectory_files, Fdirectory_files_and_attributes): Do it here
	instead.  From Lars Hansen <larsh@math.ku.dk>.

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2003-02-22  Stefan Monnier  <monnier@cs.yale.edu>

	* fns.c (string_to_multibyte): Remove unused var i.
	(Flanginfo): Fix int/Lisp_Object mixup.
	(void_call2): New fun.
	(Fmap_char_table): Use it in place of call2.

	* xfaces.c (x_face_list_fonts): Fix int/Lisp_Object mixup.

	* macros.c (Fstart_kbd_macro): Remove redundant assignment.

	* keymap.c (copy_keymap_1): Make it static.

	* alloc.c (Fgarbage_collect): Don't use XSETFLOAT.

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2003-02-22  David Ponce  <david@dponce.com>

	* lread.c (Fload): Don't check STRING_MULTIBYTE.

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2003-02-21  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* process.h: Removed subtty field from struct Lisp_Process.

	* process.c (create_process): Remove setting of subtty.
	(emacs_get_tty_pgrp): New function.
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	(Fprocess_running_child_p, process_send_signal):
	Call emacs_get_tty_pgrp instead of ioctl.
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	(process_send_signal): Call EMACS_KILLPG if ioctl TIOCSIGSEND fails.

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2003-02-21  Kai Gro,A_(Bjohann  <kai.grossjohann@uni-duisburg.de>

	* keymap.c (Fdefine_key): Doc fix.

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2003-02-21  Juanma Barranquero  <lektu@terra.es>

	Port of patch for RC by Klaus Zeitler <kzeitler@lucent.com>.

	* s/hpux10.h: Define POLL_INTERRUPTED_SYS_CALL, not
	POLLING_PROBLEM_IN_SELECT.

	* s/hpux11.h: Include hpux10-20.h instead of hpux10.h.
	Delete #undef of POLLING_PROBLEM_IN_SELECT.

	* s/hpux10-20.h: New file.

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	* process.c (wait_reading_process_input):
	Use POLL_INTERRUPTED_SYS_CALL, not POLLING_PROBLEM_IN_SELECT.
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2003-02-20  Kenichi Handa  <handa@m17n.org>

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	* fontset.c (check_fontset_name): If NAME is nil, return the
	default fontset.
	(override_font_info): New function.
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	(Fset_fontset_font): Document that NAME nil means the default fontset.
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	(Ffontset_info): If FONTSET is not the default fontset, merge
	FONTSET onto the copy of the default fontset, and work on that
	copy.  Document that NAME nil means the default fontset.
	(Ffontset_font): Document that NAME nil means the default fontset.

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	* process.c (setup_process_coding_systems): If the process's
	in/out descriptor is -1, do nothing.

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2003-02-19  Andreas Schwab  <schwab@suse.de>

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	* lisp.h (Fcancel_kbd_macro_events, Fstring_to_multibyte):
	Add prototypes.
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2003-02-19  Kenichi Handa  <handa@m17n.org>

	* xfaces.c (try_alternative_families): Try all scalable fonts if
	Vscalable_fonts_allowed is not Qt.

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2003-02-19  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xfaces.c (x_face_list_fonts): Set *pfonts to 0 if no fonts found.

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2003-02-18  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.c (x_list_fonts): If maxnames is less than 0, get all font
	names.

	* xfaces.c (x_face_list_fonts): Allocate struct font_name here.
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	(sorted_font_list): Move allocation of struct font_name to
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	x_face_list_fonts.
	(Fx_font_family_list): Set font-list-limit to -1 to get all font names.
	(Fx_list_fonts): Set maxnames to -1 to get all font names.

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2003-02-18  Kim F. Storm  <storm@cua.dk>

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	* lread.c (read1): Fix last change.
	"`" is not always special.  Allow "?" after a character constant.
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2003-02-18  Andrew Choi  <akochoi@shaw.ca>

	* unexmacosx.c (copy_data_segment): Also copy __cfstring section.

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2003-02-18  Andreas Schwab  <schwab@suse.de>

	* window.c (window_scroll_pixel_based): Move outside a
	multi-glyph character before setting new window start.

	* xdisp.c (in_display_vector_p): New function.
	* dispextern.h (in_display_vector_p): Declare.

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2003-02-18  Kim F. Storm  <storm@cua.dk>

	* lread.c (read1): Fix and relax read syntax.
	Recognize "[", ";", "#", and "?" after a dotted-pair dot.
	Only recognize "," after dotted-pair dot if inside backquote.
	Never include "`" or "," (inside backquote) in a symbol.
	Allow dotted-pair dot after a character constant.
	Allow "`" and "," (inside backquote) after a character constant.
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2003-02-17  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_tool_bar_expose_callback): New function.
	(xg_create_tool_bar): Force style of tool bar to be horizontal with
	icons.	Set name of tool bar to emacs-toolbar.
	(update_frame_tool_bar): Connect expose event to
	xg_tool_bar_expose_callback.

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2003-02-17  Richard M. Stallman  <rms@gnu.org>

	* keyboard.c (this_command_key_count_reset): New variable.
	Initiatize to 0 where this_command_key_count is set.
	(read_char): Save and restore this_command_key_count_reset
	around input method code.
	(read_char): If this_command_key_count_reset, echo reread commands.
	(Freset_this_command_lengths): Set this_command_key_count_reset to 1.

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2003-02-17  Kenichi Handa  <handa@m17n.org>

	* fns.c (string_to_multibyte): Always return a multibyte string.

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2003-02-16  Jason Rumney  <jasonr@gnu.org>

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	* w32fns.c (w32_list_bdf_fonts, w32_list_fonts):
	Negative max_fonts parameter means list all.
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2003-02-14  Dave Love  <fx@gnu.org>

	* fns.c (Flanginfo): Doc fix.

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2003-02-13  Kim F. Storm  <storm@cua.dk>

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	* lread.c (read_escape): Interpret \s as a SPACE character, except
	for \s-X in a character constant which still is the super modifier.
	(read1): Signal an `invalid read syntax' error if a character
	constant is immediately followed by a digit or symbol character.

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	* search.c (Fmatch_data): Doc fix.  Explicitly state that
	match-data is undefined if last search failed.

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	* keymap.c (Fcommand_remapping): Renamed from Fremap_command.
	All uses changed.

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2003-02-12  Juanma Barranquero  <lektu@terra.es>

	* eval.c (Fdefmacro): Fix typo.

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2003-02-12  Kim F. Storm  <storm@cua.dk>

	* macros.c (Fstart_kbd_macro): If appending, and last keyboard
	macro is a string, convert meta modifiers in string when copying
	the string into a vector.

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2003-02-11  Kim F. Storm  <storm@cua.dk>

	* keymap.c (Fremap_command): Return nil if arg is not a symbol.

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2003-02-11  Kenichi Handa  <handa@m17n.org>

	* Makefile.in (lisp, shortlisp): Add malayalam.el and tamil.el.

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2003-02-10  Kim F. Storm  <storm@cua.dk>

	* process.c: Doc fixes.
	(syms_of_process): Add `:' prefix to QCfilter_multibyte.

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2003-02-10  Kenichi Handa  <handa@m17n.org>

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	* fns.c (Fstring_to_multibyte): Fix typo in the docstring.

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	* process.c (QCfilter_multibyte): New variable.
	(setup_process_coding_systems): New function.
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	(Fset_process_buffer, Fset_process_filter):
	Call setup_process_coding_systems.
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	(Fstart_process): Initialize the member `filter_multibyte' of
	struct Lisp_Process.
	(create_process): Call setup_process_coding_systems.
	(Fmake_network_process): New keyward `:filter-multibyte'.
	Initialize the member `filter_multibyte' of struct Lisp_Process.
	Call setup_process_coding_systems.
	(server_accept_connection): Call setup_process_coding_systems.
	(read_process_output): If the process has a filter, decide the
	multibyteness of a string to given to the filter by
	`filter_multibyte' member of the process.  If the process doesn't
	have a filter and the result of conversion is unibyte, use
	Fstring_to_multibyte (not Fstring_make_multibyte) to get the
	multibyte form.
	(Fset_process_coding_system): Call setup_process_coding_systems.
	(Fset_process_filter_multibyte): New function.
	(Fprocess_filter_multibyte_p): New function.
	(syms_of_process): Intern and staticpro QCfilter_multibyte.
	Defsubr Sset_process_filter_multibyte and
	Sprocess_filter_multibyte_p.

	* process.h (struct Lisp_Process): New member filter_multibyte.

	* lisp.h (setup_process_coding_systems): Add prototype.

	* buffer.c (Fset_buffer_multibyte): If the current buffer has a
	process, update coding systems for the process.

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2003-02-09  Kenichi Handa  <handa@m17n.org>

	* fns.c (string_to_multibyte): New function.
	(Fstring_to_multibyte): New function.
	(syms_of_fns): Defsubr it.

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2003-02-08  Andreas Schwab  <schwab@suse.de>

	* Makefile.in (EXEEXT): Define to @EXEEXT@ and use this variable
	instead of the substitution.

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2003-02-08  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.c (x_make_frame_visible): Call gtk_window_deiconify.

	* xmenu.c (menu_position_func): Adjust menu popup position so that
	the menu is fully visible.

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2003-02-07  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.c (x_text_icon, x_raise_frame, x_lower_frame)
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	(x_make_frame_invisible, x_wm_set_icon_position):
	Use FRAME_OUTER_WINDOW instead of ifdef X_TOOLKIT/else/endif.
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	* xfns.c (x_set_name, x_set_title): Ditto.

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2003-02-04  Richard M. Stallman  <rms@gnu.org>

	* keyboard.c (echo_now): Update before_command_echo_length.
	(Freset_this_command_lengths): Reset this_command_key_count etc.
	immediately rather than arranging to do it later.
	(before_command_key_count_1, before_command_echo_length_1)
	(before_command_restore_flag): Vars deleted.
	(add_command_key): Don't handle before_command_restore_flag.
	(read_char, record_menu_key): Don't update before_command_key_count or
	before_command_echo_length.
	(read_char): Don't handle before_command_restore_flag.

	* keyboard.c (command_loop_1): Don't call adjust_point_for_property
	in direct-output clauses if it wouldn't be called in the ordinary case.

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2003-02-04  Kim F. Storm  <storm@cua.dk>

	* keyboard.c (syms_of_keyboard) <this-original-command>: Doc fix.

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2003-02-02  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* gtkutil.c (remove_from_container): Copying list is not needed.
	(xg_update_menubar, xg_update_menu_item, xg_update_submenu)
	(xg_modify_menubar_widgets, update_frame_tool_bar): Call g_list_free
	on list returned from gtk_container_get_children to avoid memory leak.

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2003-02-01  Jason Rumney  <jasonr@gnu.org>

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	* w32fns.c (w32_create_pixmap_from_bitmap_data): Use alloca for
	local malloc.
	[HAVE_XPM]: Avoid clashes with XColor, XImage and Pixel
	definitions in xpm.h.
	(init_xpm_functions): New function.
	(xpm_load): Sync with xfns.c. Adapt for Windows version of libXpm.
	(init_external_image_libraries): Try to load libXpm.dll.

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	* fileio.c (Fcopy_file) [WINDOWSNT]: Reverse logic for setting
	timestamp.

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2003-01-31  Dave Love  <fx@gnu.org>

	* syntax.c (Fskip_chars_forward)
	(open-paren-in-column-0-is-defun-start): Doc fix.

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2003-01-31  Joe Buehler  <jhpb@draco.hekimian.com>

	* fileio.c: Support // at start of name for Cygwin (just added proper
	preprocessor tests).

	* keyboard.c: Port to Cygwin (just added proper preprocessor tests).

	* Makefile.in: Use @EXEEXT@ for Cygwin.

	* mem-limits.h: Added ifdef to define BSD4_2 for Cygwin.

	* s/cygwin.h: Added for Cygwin port.

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2003-01-31  Juanma Barranquero  <lektu@terra.es>

	* w32fns.c (DrawText): Kludge to avoid a redefinition on Windows
	when including gif_lib.h.
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	(init_gif_functions, init_tiff_functions): New functions.
	(gif_load, tiff_load): Sync with xfns.c version. Adjust colors for
	Windows. Disable color table lookups. Call library functions
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	through pointers determined at runtime.
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	(init_external_image_libraries): Try to load libungif.dll and
	libtiff.dll.
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2003-01-31  Kenichi Handa  <handa@m17n.org>

	* xdisp.c (SKIP_GLYPHS): New macro.
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	(set_cursor_from_row): Skip all glyphs that comes from overlay string.
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2003-01-30  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

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	* gtkutil.c (free_frame_tool_bar): Remove debug printf.
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2003-01-30  Dave Love  <fx@gnu.org>

	* alloc.c (Vgc_elapsed, gcs_done): New variables.
	(Fgarbage_collect): Use them.
	(init_alloc, syms_of_alloc): Set them up.

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2003-01-30  Juanma Barranquero  <lektu@terra.es>

	* w32fns.c (init_external_image_libraries): Add missing operator.

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2003-01-29  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (init_external_image_libraries): Allow jpeg-62.dll as
	an alternative name for jpeg.dll.

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2003-01-29  Kenichi Handa  <handa@m17n.org>

	* xdisp.c (set_cursor_from_row): Pay attention to string display
	properties.

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2003-01-28  Benjamin Riefenstahl  <Benjamin.Riefenstahl@epost.de>

	* macterm.c (keycode_to_xkeysym_table): Add <tab>, <backspace>,
	<escape>.
	(keycode_to_xkeysym_table): Reformat and add more comments.
	(XTread_socket): Drop special case for backspace.

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2003-01-28  Andrew Choi  <akochoi@shaw.ca>

	* macfns.c (x_to_mac_color): Correct the order for parsing the RGB
	values in old-style RGB specs.

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2003-01-27  Juanma Barranquero  <lektu@terra.es>

	* w32fns.c (init_external_image_libraries): Try alternate names for the
	jpeg dll.

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2003-01-27  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* gtkutil.c (create_dialog, xg_separator_p)
	(xg_item_label_same_p, xg_update_menu_item): Check for NULL string
	before calling strcmp or strlen.

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	* gtkutil.c (update_frame_tool_bar): Call prepare_image_for_display
	and handle image load failure.

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2003-01-26  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (init_jpeg_functions, jpeg_resync_to_restart_wrapper):
	New functions.
	(jpeg_load): Sync with xfns.c version. Adjust colors for Windows.
	Disable color table lookups. Call jpeg library functions
	through pointers determined at runtime.
	(init_external_image_libraries): Try to load jpeg.dll.

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2003-01-25  Richard M. Stallman  <rms@gnu.org>

	* lisp.h: Declare format2 instead of format1.

	* fileio.c (barf_or_query_if_file_exists):
	Call format2 instead of format1.

	* editfns.c (format2): New function, replaces format1
	but takes exactly two Lisp Objects as format args.

	* buffer.c (Fkill_buffer): Call format2 instead of format1.

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	* xterm.h: Change to return value of x_dispatch_event to int.

	* xterm.c (x_filter_event): New function.
	(event_handler_gdk, XTread_socket): Call x_filter_event.
	(x_dispatch_event): Change to return value of finish.
	(event_handler_gdk): Use return value from x_dispatch_event.

	* xfns.c (x_window): Call create_frame_xic for GTK version to
	initialize input methods.

	* gtkutil.h: Add (void) prototypes.

	* gtkutil.c (create_menus): Remove code that puts the help menu to
	the right.

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2003-01-25  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (XPutPixel): Handle monochrome images; used for masks.
	[HAVE_PNG]: Sync with xfns.c version.
	(png_load): Adjust colors for Windows. Use Windows
	bitmaps. Disable color table lookups.
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	(DEF_IMGLIB_FN, LOAD_IMGLIB_FN): New macros.
	(init_png_functions): New function.
	(png_read_from_memory, png_load): Call png library functions
	through pointers determined at runtime.
	(QCloader, QCbounding_box, QCpt_width, QCpt_height): Declare.
	(init_external_image_libraries): New function.
	(init_xfns): Call it.
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2003-01-24  Andreas Schwab  <schwab@suse.de>

	* minibuf.c (Fminibuffer_message): Verify type of parameter.

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	* gtkutil.c (xg_initialize): Initialize id_to_widget here instead
	of static initializer.

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2003-01-24  Dave Love  <fx@gnu.org>

	* s/gnu-linux.h (GC_SETJMP_WORKS, GC_MARK_STACK): Define for more
	architectures.

	* alloc.c (mark_stack) [!GC_LISP_OBJECT_ALIGNMENT && __GNUC__]:
	Use __alignof__.

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2003-01-24  Kenichi Handa  <handa@m17n.org>

	* keyboard.c (adjust_point_for_property): New second arg MODIFIED.
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	It it is nonzero, don't pretend that an invisible area doesn't exist.
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	(command_loop_1): Call adjust_point_for_property with proper
	second arg.

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2003-01-22  Jason Rumney  <jasonr@gnu.org>

	Sync changes with xterm.c and xfns.c.

	* w32term.c (x_draw_glyph_string_foreground)
	(x_draw_composite_glyph_string_foreground): Implement overstriking.

	* w32term.c (x_write_glyphs): Clear phys_cursor_on_p if current
	phys_cursor's hpos is overwritten.  This is still not completely
	correct, as it doesn't really make sense to use hpos at all to
	get the cursor glyph (as that is relative to the width of the
	characters on the line, which may have changed during the update).

	* w32term.c (notice_overwritten_cursor): Handle the special case
	of the cursor being in the first blank non-text line at the
	end of a window.

	* w32term.c (x_draw_hollow_cursor, x_draw_bar_cursor)
	(x_draw_phys_cursor_glyph): Set phys_cursor_width here.
	Compute from the x position returned by x_draw_glyphs.

	(x_display_and_set_cursor): Don't set phys_cursor_width here,
	except for NO_CURSOR and system caret, to make phys_cursor_width
	contain what its name suggests.
	(notice_overwritten_cursor): Consider the cursor image erased if
	the output area intersects the cursor image in y-direction.

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	* w32term.c (note_mode_line_or_margin_highlight): Rename from
	note_mode_line_highlight and extend.
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	* w32term.c (last_window): New variable.
	(w32_read_socket) <WM_MOUSEMOVE>: Generate SELECT_WINDOW_EVENTs.
	(note_mouse_movement): Remove reimplemented code in #if 0.

	* w32fns.c (x_set_cursor_type): Set cursor_type_changed,
	not update_mode_lines, and always set it to 1.

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2003-01-21  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (IDC_HAND): Define it if system headers don't.

2003-01-21  KOBAYASHI Yasuhiro  <kobayays@otsukakj.co.jp>

	* w32term.h (struct w32_output): New member hand_cursor.
	(WM_EMACS_SETCURSOR): New message definition.

	* w32term.c (note_mode_line_highlight): Delete #if 0 to enable
	function w32_define_cursor.
	(note_mouse_highlight): Initialize, setup cursor accoding to mouse
	position, change member name output_data.x to output_data.w32 and
	add function w32_define_cursor.
	(show_mouse_face): Delete #if 0 to enable function w32_define_cursor
	and change member name output_data.x to output_data.w32.
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	(w32_initialize_display_info):
	Setup dpyinfo->vertical_scroll_bar_cursor.
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	* w32fns.c (Vx_hand_shape): New variable.
	(w32_wnd_proc): Add message entries for WM_SETCURSOR and
	WM_EMACS_SETCURSOR.
	(x-create-frame): Setup Cursor types.

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2003-01-21  David Ponce  <david@dponce.com>

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	* w32term.c (w32_encode_char): For DIM=1 charset, set
	ccl->reg[2] to -1 before calling ccl_driver. (Sync. with xterm.c
	x_encode_char change by Kenichi Handa <handa@m17n.org> on
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	2002-09-30.)
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	(w32_draw_relief_rect): Declare all args.
	(w32_define_cursor): New.

	* w32fns.c (w32_load_cursor): New function.
	(w32_init_class): Use it.
	(x_put_x_image): Declare all args.

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2003-01-21  Richard Dawe  <rich@phekda.freeserve.co.uk>  (tiny change)

	* Makefile.in (ALL_CFLAGS): Include MYCPPFLAGS, not MYCPPFLAG.

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2003-01-21  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>
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	* gtkutil.c: Must include stdio.h before termhooks.h

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2003-01-21  Dave Love  <fx@gnu.org>

	* alloc.c (Fgc_status): Print zombie list.
	(mark_maybe_object) [GC_MARK_STACK==GC_USE_GCPROS_CHECK_ZOMBIES]:
	Fix assignment of zombies.
	(Fgarbage_collect) [GC_MARK_STACK==GC_USE_GCPROS_CHECK_ZOMBIES]:
	Don't take car of non-cons.

	* s/sol2-5.h (GC_SETJMP_WORKS, GC_MARK_STACK): Define.

	* s/sunos4-0.h (GC_SETJMP_WORKS, GC_MARK_STACK): Define.

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2003-01-20  David Ponce  <david@dponce.com>

	* w32menu.c (digest_single_submenu): Declare all args.

	Sync with 2002-12-23  Richard M. Stallman  <rms@gnu.org>
	changes in xmenu.c:

	(parse_single_submenu): Use individual keymap's prompt
	string as pane name, if there is one.
	(set_frame_menubar): Save menu_items_n_panes from each call to
	parse_single_submenu and use it when calling digest_single_submenu.

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2003-01-20  Steven Tamm  <steventamm@mac.com>

	* macterm.c (XTread_socket): Checks for valid, visible window
	before sending a scroll-wheel event.

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2003-01-20  Richard M. Stallman  <rms@gnu.org>

	* xdisp.c (redisplay_window): If mini window's buffer is not
	a minibuffer, then redisplay it like other windows.

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2003-01-20  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>
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	* gtkutil.c (xg_create_frame_widgets): Check if there is an
	external tool bar before setting tool bar height.

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2003-01-19  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xterm.c (handle_one_xevent): Surround popup_activated
	with #ifdef:s for non-toolkit version.

	* Makefile.in (XOBJ): Add gtkutil.o if USE_GTK
	(gtkutil.o): New file.
	(TOOLKIT_DEFINES): Set to -DUSE_GTK if HAVE_GTK.
	(LIBW): Set to @GTK_LIBS@ if USE_GTK.

	* gtkutil.c: New file for GTK version.

	* gtkutil.h: New file for GTK version.

	* xterm.h: Add xt_or_gtk_widget.
	Include gtk files for USE_GTK.
	(struct x_output): Add toolbar_height.
	(struct x_output): Add GTK widgets and Gdk size_hints.
	(GTK_WIDGET_TO_X_WIN, FRAME_GTK_OUTER_WIDGET, FRAME_GTK_WIDGET)
	(FRAME_OUTER_WINDOW): New macros for USE_GTK.
	(FRAME_OUTER_TO_INNER_DIFF_Y): Add FRAME_TOOLBAR_HEIGHT to calculation.

	* xterm.c: Include gtkutil.h for USE_GTK.
	Declare extern void free_frame_menubar for USE_GTK.
	(note_mouse_highlight): Check popup_activated for USE_GTK.
	(xt_action_hook): Don't compile if USE_GTK.
	(x_scroll_bar_to_input_event): Use CurrentTime for USE_GTK.
	(xg_scroll_callback): New function.
	(x_create_toolkit_scroll_bar): Call xg_create_scroll_bar for USE_GTK.
	(x_set_toolkit_scroll_bar_thumb): Call xg_set_toolkit_scroll_bar_thumb
	for USE_GTK.
	(x_scroll_bar_create): Call xg_update_scrollbar_pos and
	xg_show_scroll_bar for USE_GTK.
	(x_scroll_bar_remove): Call xg_remove_scroll_bar for USE_GTK.
	(XTset_vertical_scroll_bar): Call xg_update_scrollbar_pos for USE_GTK.
	(event_handler_gdk): New function for USE_GTK.
	(handle_one_xevent): Call xg_resize_widgets for USE_GTK.
	(handle_one_xevent): Make sure widget is mapped before
	calling x_real_positions for USE_GTK.
	(XTread_socket): Add GTK event loop for USE_GTK.
	(x_set_window_size): Call xg_frame_set_char_size for USE_GTK.
	(x_make_frame_visible): Call gtk_widget_show_all for USE_GTK.
	(x_make_frame_invisible): Call gtk_widget_hide for USE_GTK.
	(x_iconify_frame): Add code for USE_GTK.
	(x_free_frame_resources): Call gtk_widget_destroy for USE_GTK.
	(x_wm_set_size_hint): Only compile if not USE_GTK.  GTK version
	is in gtkutil.c.
	(x_term_init): Add initialization for GTK.
	(syms_of_xterm): Set Vx_toolkit_scroll_bars for USE_GTK.

	* xmenu.c: Include gtkutil.h for USE_GTK.
	(Fx_popup_menu): Use current position if x and y is NIL.
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	(single_menu_item, single_menu_item, Fx_popup_dialog):
	Check for USE_GTK.
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	(popup_widget_loop): New function for USE_GTK.
	(x_activate_menubar): Add code for USE_GTK.
	(popup_activate_callback, popup_deactivate_callback)
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	(menu_highlight_callback, menubar_selection_callback):
	Add USE_GTK versions.
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	(update_frame_menubar): Call xg_update_frame_menubar for USE_GTK.
	(set_frame_menubar): Call xg_modify_menubar_widgets for USE_GTK.
	(free_frame_menubar): Only compile if not USE_GTK.  GTK version
	is in gtkutil.c.
	(popup_selection_callback): New version for USE_GTK.
	(create_and_show_popup_menu): New fuction, one USE_GTK version and
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	one USE_X_TOOLKIT version.
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	(xmenu_show): Call create_and_show_popup_menu.
	(dialog_selection_callback): New version for USE_GTK.
	(create_and_show_dialog): New fuction, one USE_GTK version and
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	one USE_X_TOOLKIT version.
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	(xdialog_show): Call create_and_show_dialog.

	* xfns.c: Include gtkutil for USE_GTK.
	(x_window_to_frame, x_any_window_to_frame)
	(x_non_menubar_window_to_frame, x_menubar_window_to_frame)
	(x_top_window_to_frame): Add code for USE_GTK.
	(x_set_background_color): Call xg_set_background_color for GTK.
	(x_set_menu_bar_lines): Check for USE_GTK.
	(x_set_tool_bar_lines): Call update_frame_tool_bar for USE_GTK.
	(x_set_name, x_set_title): Call gtk_window_set_title for USE_GTK.
	(x_window): Call xg_create_frame_widgets for USE_GTK.
	(Fx_create_frame): Check for USE_GTK
	(Fx_file_dialog): New implementation for USE_GTK.

	* xdisp.c: Add check for USE_GTK for extern void set_frame_menubar.
	(update_menu_bar): Add check for USE_GTK.
	(update_tool_bar): Add check for USE_GTK and external tool bar.
	(redisplay_tool_bar): Add check for USE_GTK and external tool bar.
	(redisplay_internal): Add check for USE_GTK and popup_activated.
	(redisplay_window): Add check for USE_GTK and FRAME_EXTERNAL_MENU_BAR.
	(redisplay_window): Add check for USE_GTK and FRAME_EXTERNAL_TOOL_BAR.
	(display_menu_bar): Add check for USE_GTK

	* lisp.h: Declare Vx_resource_name extern.

	* keyboard.c (kbd_buffer_get_event):  Check MENU_BAR_ACTIVATE_EVENT
	for USE_GTK.
	(make_lispy_event): Check MENU_BAR_EVENT for USE_GTK.

	* frame.h (struct frame): Add external_tool_bar.  Check for USE_GTK.
	(FRAME_EXTERNAL_TOOL_BAR): New macro.
	(FRAME_EXTERNAL_MENU_BAR): Check for USE_GTK.

	* fileio.c (Fread_file_name): Add check for USE_GTK.

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	* dispnew.c (adjust_frame_glyphs_for_window_redisplay):
	Add check for USE_GTK.
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	* config.in: Added HAVE_GTK

	* alloc.c (Fgarbage_collect): Call xg_mark_data for GTK.

2003-01-18  Stefan Monnier  <monnier@cs.yale.edu>

	* charset.h (Funibyte_char_to_multibyte): Export.

2003-01-18  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* xmenu.c (mouse_position_for_popup): New function.
	(Fx_popup_menu): Call mouse_position_for_popup for X and
	mouse_position_hook for others.

2003-01-17  Kim F. Storm  <storm@cua.dk>

	* editfns.c (Finsert): Mention `string-make-multibyte' and
	`string-as-multibyte' in doc string.

2003-01-17  Kenichi Handa  <handa@m17n.org>

	* fontset.c (syms_of_fontset): Setup Vfont_encoding_alist here.
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	* editfns.c (Fformat): Convert an unibyte char argument that is
	formatted by "%c" to multibyte if the total result must be a
	multibyte string.
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	* process.c (set-process-filter): Document unibyte/multibyte-ness
	of string argument.
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2003-01-16  Kenichi Handa  <handa@m17n.org>
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	* charset.h (NEXT_CHAR_BOUNDARY, PREV_CHAR_BOUNDARY): New macros.
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	* regex.c (GET_CHAR_BEFORE_2): Use PREV_CHAR_BOUNDARY.
	(re_search_2): Likewise.
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2003-01-15  Kenichi Handa  <handa@m17n.org>
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	* xdisp.c (message_dolog): Fix bug of the case that *Message*
	buffer is unibyte.
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2003-01-15  Francesco Potort,Al(B  <pot@gnu.org>
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	* fns.c (Fsubstring): Clarify doc string.
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	* textprop.c (Ftext_properties_at, Fnext_char_property_change)
	(Fprevious_char_property_change)
	(Fnext_single_char_property_change)
	(Fprevious_single_char_property_change, Fnext_property_change)
	(Fnext_single_property_change, Fprevious_property_change)
	(Fprevious_single_property_change, Fadd_text_properties)
	(Fput_text_property, Fset_text_properties)
	(Fremove_text_properties, Fremove_list_of_text_properties)
	(Ftext_property_any, Ftext_property_not_all): Clarify doc strings.
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2003-01-14  Kim F. Storm  <storm@cua.dk>
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	* process.h (struct Lisp_Process): New member plist replaces old
	member private_vars.  All uses changed.
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	* process.c: Reworked 2003-01-12 change -- call a plist a plist!
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	(QCplist): Rename from QCvars.  Change all uses.
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	(Fprocess_plist): Replaces Fprocess_variable.  Simplified.
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	(Fset_process_plist): Replaces Fset_process_variable.  Simplify.
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	(syms_of_process): Intern, staticpro, defsubr these.
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	(Fmake_network_process): Describe :plist arg.  Remove :vars arg.
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2003-01-14  Francesco Potort,Al(B  <pot@gnu.org>
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	* m/delta.h: Remove (obsolete).
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2003-01-13  Francesco Potort,Al(B  <pot@gnu.org>
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	* fileio.c (Fdelete_directory, Fdelete_file): Document the
	behaviour in front of symlinks.
	(Fdelete_file): Raise an error on directories.
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2003-01-13  Dave Love  <fx@gnu.org>
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	* fns.c (Freverse): Use QUIT.
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2003-01-13  Richard M. Stallman  <rms@gnu.org>
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	* minibuf.c (minibuffer_completion_contents):
	Error if point is inside prompt.
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	* keyboard.c (command_loop_1): Don't redisplay directly
	if there's a post-command-hook.
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	* fileio.c (syms_of_fileio) <directory-sep-char>: Doc fix.
	(Fdo_auto_save): Add gcpros around Ffile_name_directory.
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2003-01-12  Kim F. Storm  <storm@cua.dk>
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	* process.h (struct Lisp_Process): New member private_vars.
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	* process.c (QCvars): New variable.
	(syms_of_process): Intern and staticpro it.
	(Fset_process_contact): Removed function.
	(Fprocess_variable, Fset_process_variable): New functions.
	(syms_of_process): Defsubr them.
	(Fstart_process): Initialize private_vars plist to nil.
	(Fmake_network_process): New arg :vars to setup the private
	variables for new network process.
	(server_accept_connection): Copy server's private variables to
	client process.
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	* alloc.c (pure_alloc): Fixed 2003-01-10 changed (caused spurious
	crashes).  Code rewritten and simplified.  Now directly aligns the
	pointer and recalculates pure_bytes_used, rather than aligning the
	size and adjusting the pointer.
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2003-01-11  Kim F. Storm  <storm@cua.dk>
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	* process.c (Fset_process_contact): New function.
	(syms_of_process): defsubr it.
	(make-network-process): Update doc.
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2003-01-10  Andreas Schwab  <schwab@suse.de>
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	* alloc.c (pure_alloc): Correct alignment for Lisp_Floats.
	Reported by Berthold Gunreben <b.gunreben@web.de>.
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2003-01-10  Dave Love  <fx@gnu.org>
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	* composite.c (syms_of_composite): Make composition_hash_table weak.
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2003-01-09  Kim F. Storm  <storm@cua.dk>
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	* process.c (Fmake_network_process): Convert new port number
	to host byte order for `:service t' case.  From Mario Lang.
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2003-01-08  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>
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	* xfns.c (Fx_file_dialog): Call XtAppNextEvent and x_dispatch_event
	instead of XtAppProcessEvent.
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	* xterm.c (handle_one_xevent): New function.
	(x_dispatch_event): New function.
	(XTread_socket): Call handle_one_xevent.
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	* xterm.h (FRAME_OUTER_TO_INNER_DIFF_X/Y): New.
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	* xmenu.c (Fx_popup_menu): If popping up at mouse position,
	call XQueryPointer to get coordinates.
	(popup_get_selection): Do not set popup_activated_flag to zero,
	let popup_deactivate_callback do that.  Needed for Motif.
	Call x_dispatch_event instead of XtDispatchEvent.
	(xmenu_show): Calculate root coordinate from frame top/left position.
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2003-01-08  Kim F. Storm  <storm@cua.dk>
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	* process.c (server_accept_connection): Fix recording of new
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	connection's local address in :local property of contact info.
	(Fmake_network_process): Record local network address for new
	client processes in :local property of contact info.
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	(format-network-address): Add arg OMIT-PORT.  Change callers.
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2003-01-07  Dave Love  <fx@gnu.org>
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	* Makefile.in (fns.o): Depend on coding.h.
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2003-01-07  Markus Rost  <rost@math.ohio-state.edu>
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	* minibuf.c (Fread_variable): Doc fix.
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	* eval.c (Fuser_variable_p): Doc change.  For custom variables,
	use the same test as for custom-variable-p.
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2003-01-05  Richard M. Stallman  <rms@gnu.org>
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	* xdisp.c (try_scrolling): New arg LAST_LINE_MISFIT.
	Count LAST_LINE_MISFIT in scroll margin for end of window.
	Move label too_near_end before setting SCROLL_MARGIN_POS.
	Set LAST_LINE_MISFIT before jumping there.
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	* xdisp.c (try_scrolling): Calculate amount_to_scroll better in
	scroll_conservatively case.  If scrolling that much doesn't change
	STARTP, move it down one line.
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	* xdisp.c (redisplay_window): Pass last_line_misfit arg to
	try_scrolling.  Make it 1 after make_cursor_line_fully_visible fails.
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	* xdisp.c (setup_echo_area_for_printing): Kill Emacs if no
	selected frame.
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	* keymap.c (apropos_predicate, apropos_accumulate): Make them static.
	(syms_of_keymap): staticpro them.
	(Fapropos_internal): Initialize them and clear them out.
	Don't GCPRO them.
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	* buffer.c (syms_of_buffer) <scroll-up-aggressively, scroll-down-aggressively>:
	Doc fixes.
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	* lisp.h: New misc type Lisp_Save_Value.
	(enum Lisp_Misc_Type): Add Lisp_Misc_Save_Value.
	(XSAVE_VALUE): New macro.
	(struct Lisp_Save_Value): New data type.
	(union Lisp_Misc): Add u_save_value alternative.
	(make_save_value): Declared.
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	* alloc.c (make_save_value): New function.
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	* xterm.c (x_catch_errors): Save dpy using make_save_value.
	(x_catch_errors_unwind): Call XSync.
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2003-01-01  Richard M. Stallman  <rms@gnu.org>
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	* window.c (window_scroll_pixel_based): Partially undo last change.
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	* keyboard.c (command_loop_1): Call adjust_point_for_property
	in direct action cases for Qforward_char and Qbackward_char.
	Set already_adjusted so it won't be done twice.
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2002-12-30  Richard Dawe  <rich@phekda.freeserve.co.uk>  (tiny change)
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	* src/config.in (!HAVE_SIZE_T): Fix order of arguments in
	type definition of size_t.
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2003-01-02  Steven Tamm  <steventamm@mac.com>
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	* macterm.c (syms_of_macterm): Provide the feature "mac-carbon" to
	distinguish Carbon GUI builds from X11 builds on darwin.
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2002-12-30  Steven Tamm  <steventamm@mac.com>
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	* macterm.c (syms_of_macterm): Set mac-wheel-button-is-mouse-2
	to default to t.
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2002-12-29  Francesco Potort,Al(B  <pot@gnu.org>
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	* data.c (Fstring_to_number, Fminus): Better English in doc strings.
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2002-12-28  Steven Tamm  <steventamm@mac.com>
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	* Makefile.in (macosx-bundle): Fixes to Mac OS X/Carbon port to
	allow building in a different directory than source.  Uses some
	GNU Make extensions, but there is no other make on Mac OS X.
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2002-12-26  Francesco Potort,Al(B  <pot@gnu.org>
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	* data.c (Fmakunbound, Ffmakunbound, Fmake_variable_buffer_local)
	(Fsetq_default, Fmake_local_variable, Fkill_local_variable)
	(Fmake_variable_frame_local, Faset, Fnumber_to_string, Fminus)
	(Fstring_to_number): Mention the returned value in the doc strings.
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2002-12-23  Richard M. Stallman  <rms@gnu.org>
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	* buffer.c (syms_of_buffer) <scroll-up-aggressively>
	<scroll-down-aggressively>: Doc fix.
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	* xmenu.c (parse_single_submenu): Use individual keymap's prompt
	string as pane name, if there is one.
	(set_frame_menubar): Save menu_items_n_panes from each call to
	parse_single_submenu and use it when calling digest_single_submenu.
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	* window.c (window_scroll_pixel_based): Fix check for reaching BEGV.
	Don't try to make last line fully visible if it is past end of window.
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2002-12-22  Steven Tamm  <steventamm@mac.com>
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	* macmenu.c (MIN_POPUP_SUBMENU_ID): Add.
	(mac_menu_show): Add support for hierarchical popup menus.
	(add_menu_item): Remove indentation support.
	(fill_submenu, fill_menu): Create hierarchical menus
	instead of using indentation.
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2002-12-22  Richard M. Stallman  <rms@gnu.org>
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	* xdisp.c (try_cursor_movement): Don't call try_window here.
	(redisplay_window): Never redisplay minibuffer when inactive.
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	* window.c (select_window_1): Undo 9/21 change.
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2002-12-22  Steven Tamm  <steventamm@mac.com>
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	* macterm.c (XTread_socket): Call KeyTranslate for control and
	meta to deal correctly shifted non-alpha characters, like C-S-5
	being treated like C-%.  Does not look for shift key to deal
	with masking off control-key with mac-reverse-ctrl-meta.
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2002-12-21  Richard M. Stallman  <rms@gnu.org>
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	* xmenu.c (popup_get_selection): Now static.  New arg DO_TIMERS.
	If it is non-nil, run timers.  Use an unwind-protect to requeue
	the events that were read ahead.
	(popup_get_selection_unwind): New subroutine.
	(popup_get_selection_queue): File-scope variable now holds that queue.
	(xmenu_show): Pass 0 for DO_TIMERS to popup_get_selection.
	(xdialog_show): Pass 1 for DO_TIMERS to popup_get_selection.
	Use an unwind-protect to pop down the dialog box.
	(xdialog_show_unwind): New subroutine implements that.
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	* xdisp.c (row_containing_pos): Change exit test using last_y.
	(try_window_id): Abort if row_containing_pos returns null.
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	* lread.c (load_error_handler): New function.
	(Fload): Handle errors in Fsubstitute_in_file_name.
	Don't expect Fsignal to return.
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