GitLab

(call_overlay_mod_hooks): New function.

	it to nil, unless we find the current buffer.
	(Flist_buffers): Don't try to set point in the buffer list unless
	list_buffers_1 actually returns an integer.  Don't use a full
	save_excursion; just save and restore the buffer.

	any visible frame.
	* buffer.c (Fother_buffer): Pass Qt as the second argument
	to Fget_buffer_window.
	* window.c (window_loop): In GET_BUFFER_WINDOW case, ignore
	non-visible frames.
	(Fget_buffer_window): Change doc string to mention that passing Qt
	for the FRAME argument returns windows on visible frames only.

	any visible frame.
	* buffer.c (Fother_buffer): Pass Qvisible as the second argument
	to Fget_buffer_window.
	* window.c (Qvisible): New symbol.
	(window_loop): In GET_BUFFER_WINDOW case, if frames is Qvisible,
	ignore non-visible frames.
	(Fget_buffer_window): Expand doc string to mention that Qvisible
	is an interesting value for FRAME argument.
	(syms_of_window): Init and staticpro Qvisible.
	* lisp.h (Qvisible): New declaration.

	(Flist_buffers): Put point there in the buffer summary.

Bind inhibit-quit to t.
(Fmove_overlay): Properly handle changing buffers, or no prev buffer.
Bind inhibit-quit to t.

(Vinhibit_read_only): Declared.
(Fbarf_if_buffer_read_only): Check Vinhibit_read_only.

(reset_buffer_local_variables): Not here.
(Fswitch_to_buffer, Fpop_to_buffer): Return the buffer.
(Fmove_overlay): Fix data types in last change.

(reset_buffer_local_variables): Not here.

(Frename_buffer): Pass new arg.

	do a thorough redisplay.

	right order.
	(Fmove_overlay): If beg and end are markers, make sure they're in
	the right buffer.

(Foverlays_at, Fnext_overlay_change): Pass 1.

	BUFFER argument has been omitted, put it in the current buffer,
	for symmetry with move-marker.

	* buffer.c (Fdelete_overlay): Make the overlay's markers point
	nowhere, not at 1.  Do this after calling redisplay_region, so
	that code knows what section has changed.

	Foverlay_properties): Functions moved here from subr.el.

	(OVERLAYP): New predicate.
	(CHECK_OVERLAY): New type-checker.
	(Qoverlayp): New extern declaration.
	* buffer.c (Foverlayp): New function.
	(Qoverlayp): New atom.
	(overlays_at, recenter_overlay_lists): Abort if we encounter an
	invalid overlay.
	(syms_of_buffer): defsubr Soverlayp; initialize Qoverlayp.
	(Fdelete_overlay): Set the overlay's markers to point nowhere.
	Use CHECK_OVERLAY instead of signalling a special error.
	(Fmove_overlay, Foverlay_put): Use CHECK_OVERLAY instead of
	signalling a special error.
	(Foverlay_get): Use CHECK_OVERLAY.
	* fns.c (internal_equal): Define this for overlays.
	* buffer.h (OVERLAY_VALID): Define in terms of OVERLAYP.
	* print.c (print): Give overlays their own print syntax.
	* alloc.c (mark_object): Treat overlays like conses.

	* buffer.c (Foverlay_get): Return Qnil if the requested property
	is missing from the property list.

	* xdisp.c (redisplay_region): New function.
	* buffer.c (Fmove_overlay): Call redisplay_region on the areas the
	overlay has enclosed or left.
	(Fdelete_overlay): Call redisplay_region on the area the overlay
	used to occupy.
	(Foverlay_put): Call redisplay_region on the area the overlay now
	occupies; we may have put a face property on it.

	* buffer.c (Fmove_overlay): Doc fix.

	* buffer.c (Fmake_overlay, Fmove_overlay): New optional BUFFER
	arguments.
	(recenter_overlay_lists): New argument BUF, to use instead of the
	current buffer.
	(Foverlay_recenter): Pass the appropriate arguments to
	recenter_overlay_lists.

	* buffer.c (Fdelete_overlay): Don't assume that overlay is in the
	current buffer.  Don't forget to declare the argument a Lisp_Object.

	arguments.
	(recenter_overlay_lists): New argument BUF, to use instead of the
	current buffer.
	(Foverlay_recenter): Pass the appropriate arguments to
	recenter_overlay_lists.

	* buffer.c (Fdelete_overlay): Don't assume that overlay is in the
	current buffer.  Don't forget to declare the argument a Lisp_Object.

in the buffer's alist entry, before reverting to the default value.

	This isn't specific to X, and it allows us to avoid #including
	xterm.h in files that don't really have anything to do with X.
	* blockinput.h: New file.
	* xterm.h (BLOCK_INPUT, UNBLOCK_INPUT, TOTALLY_UNBLOCK_INPUT,
	UNBLOCK_INPUT_RESIGNAL): These are now in blockinput.h.
	(x_input_blocked, x_pending_input): Deleted; there are analogs
	in blockinput.h called interrupt_input_blocked and
	interrupt_input_pending.
	* keyboard.c (interrupt_input_blocked, interrupt_input_pending):
	New variables, used by the macros in blockinput.h.
	* xterm.c: #include blockinput.h.
	(x_input_blocked, x_pending_input): Deleted.
	(XTread_socket): Test and set interrupt_input_blocked and
	interrupt_input_pending instead of the old variables.
	* alloc.c, xfaces.c, xfns.c, xmenu.c, xselect.c, keymap.c:
	#include blockinput.h.
	* eval.c: #include blockinput.h instead of xterm.h.
	* keyboard.c: #include blockinput.h.
	(input_poll_signal): Just test
	interrupt_input_blocked, instead of testing HAVE_X_WINDOWS and
	x_input_blocked.

	Block the processing of interrupt input while we're manipulating the
	malloc heap.
	* alloc.c: (xfree): New function, to make it easy to free things
	safely.
	(xmalloc, xrealloc): Block X input while doing the deed.
	(VALIDATE_LISP_STORAGE, gc_sweep, compact_strings): Use xfree
	instead of free.
	(uninterrupt_malloc): New function, to install input-blocking
	hooks into the GNU malloc routines.
	* emacs.c [not SYSTEM_MALLOC] (main): Call uninterrupt_malloc
	on startup.
	* alloc.c: (make_interval, make_float, Fcons, Fmake_vector,
	Fmake_symbol, Fmake_marker, make_uninit_string, Fgarbage_collect):
	Use xmalloc instead of malloc; don't bother to check if out of
	memory here.
	(Fgarbage_collect): Call xrealloc instead of realloc.
	* buffer.c: Use xmalloc and xfree instead of malloc and free;
	don't bother to check if out of memory here.
	(Fget_buffer_create): Put BLOCK_INPUT/UNBLOCK_INPUT pair around
	calls to ralloc routines.
	* insdel.c: Same.
	* lisp.h (xfree): New extern declaration.
	* xfaces.c (xfree): Don't #define this to be free; use the
	definition in alloc.c.
	* dispnew.c, doc.c, doprnt.c, fileio.c, lread.c, term.c, xfns.c,
	xmenu.c, xterm.c: Use xfree instead of free.
	* hftctl.c: Use xfree and xmalloc instead of free and malloc.
	* keymap.c (current_minor_maps): BLOCK_INPUT while calling realloc
	and malloc.
	* search.c: Since the regexp routines can malloc, BLOCK_INPUT
	while runing them.  #include blockinput.h.
	* sysdep.c: #include blockinput.h.  Call xfree and xmalloc instead
	of free and malloc.  BLOCK_INPUT around routines which we know
	will call malloc.

	ymakefile (keyboard.o, keymap.o, search.o, sysdep.o, xfaces.o,
	xfns.o, xmenu.o, xterm.o, xselect.o, alloc.o, eval.o): Note that
	these depend on blockinput.h.

Delete last vestige of fieldlist slot.
(Fregion_fields): Finally deleted.

(overlays_at, recenter_overlay_lists): New functions.
(Fmake_overlay, Fdelete_overlay, Foverlay_get, Foverlay_put): Likewise.
(Fmove_overlay, Foverlays_at, Fnext_overlay_change): Likewise.
(Foverlay_lists, Foverlay_recenter): Likewise.

	wrong feature.
	(Qoverwrite_mode_binary): New variable.
	(internal_self_insert): If current_buffer->overwrite_mode is
	`overwrite-mode-binary', do as overwrite_binary_mode used to.
	(syms_of_cmds): Remove defvar of overwrite_binary_mode; initialize
	Qoverwrite_mode_binary.
	* buffer.c (syms_of_buffer): Doc fix for overwrite_mode.
	* buffer.h (struct buffer): Doc fix.

(syms_of_buffer): New buffer-local var `mark-active'.
(init_buffer_once): Initialize mechanism for it.

(syms_of_buffer): Delete vars buffer-field-list and check-protected-fields.

	* buffer.c (syms_of_buffer): Add the extra argument to the
	commented-out DEFVAR_PER_BUFFER for `mode-line-format', so
	make-docfile will find the docstring properly.

	arguments to Fnext_window.

	* buffer.c (Fbury_buffer): Pass the correct number of arguments to
	Fother_buffer.

	* buffer.c (buffer_slot_type_mismatch): Make symbol_name an
	unsigned char *, to match the type of a string's data.