ChangeLog 237 KB
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2011-07-18  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xdisp.c (next_element_from_string, next_element_from_buffer): Use EQ
	to compare Lisp_Objects.
	* gnutls.c (syms_of_gnutls): Rename Vgnutls_log_level to
	global_gnutls_log_level, don't mistake it for a Lisp_Object.
	(init_gnutls_functions, emacs_gnutls_handle_error): Fix up uses.

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2011-07-17  Andreas Schwab  <schwab@linux-m68k.org>

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	* lread.c (read_integer): Unread even EOF character.
	(read1): Likewise.  Properly record start position of symbol.

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	* lread.c (read1): Read `#:' as empty uninterned symbol if no
	symbol character follows.

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2011-07-17  Paul Eggert  <eggert@cs.ucla.edu>

	* fileio.c (Fcopy_file): Pacify gcc re fchown.  (Bug#9002)
	This works around a problem with the previous change to Fcopy_file.
	Recent glibc declares fchown with __attribute__((warn_unused_result)),
	and without this change, GCC might complain about discarding
	fchown's return value.

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2011-07-16  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in (GLOBAL_SOURCES): Add gnutls.c (followup to bug#9059).

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2011-07-16  Paul Eggert  <eggert@cs.ucla.edu>

	* fileio.c (Fcopy_file): Don't diagnose fchown failures.  (Bug#9002)

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2011-07-16  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* gnutls.c (syms_of_gnutls): Define `gnutls-log-level' here, since
	it's used from the C level.

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	* process.c: Use the same condition for POLL_FOR_INPUT in both
	keyboard.c and process.c (bug#1858).

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2011-07-09  Lawrence Mitchell  <wence@gmx.li>

	* gnutls.c (Qgnutls_bootprop_min_prime_bits): New variable.
	(Fgnutls_boot): Use it.

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2011-07-15  Andreas Schwab  <schwab@linux-m68k.org>

	* doc.c (Fsubstitute_command_keys): Revert last change.

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2011-07-15  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* doc.c (Fsubstitute_command_keys): Clarify that \= really only
	quotes the next character, and doesn't affect other longer
	sequences (bug#8935).

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	* lread.c (syms_of_lread): Clarify that is isn't only
	`eval-buffer' and `eval-defun' that's affected by
	`lexical-binding' (bug#8460).

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2011-07-15  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (move_it_in_display_line_to): Fix vertical motion with
	bidi redisplay when a line includes both an image and is
	truncated.

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2011-07-14  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix minor problems found by static checking.
	* bidi.c (bidi_cache_size): Now EMACS_INT, not size_t.
	(elsz): Now a signed constant, not a size_t var.  We prefer signed
	types to unsigned, to avoid integer comparison confusion.  Without
	this change, GCC 4.6.1 with -Wunsafe-loop-optimizations complains
	"cannot optimize loop, the loop counter may overflow", a symptom
	of the confusion.
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	* indent.c (Fvertical_motion): Mark locals as initialized.
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	* xdisp.c (reseat_to_string): Fix pointer signedness issue.

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2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* search.c (Fre_search_backward): Mention `case-fold-search' in
	all the re_search_* functions (bug#8138).

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	* keyboard.c (Fopen_dribble_file): Document when the file is
	closed (bug#8056).

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2011-07-14  Eli Zaretskii  <eliz@gnu.org>

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	* bidi.c (bidi_dump_cached_states): Fix format of displaying
	bidi_cache_idx.

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	Support bidi reordering of display and overlay strings.
	* xdisp.c (compute_display_string_pos)
	(compute_display_string_end): Accept additional argument STRING.
	(init_iterator, reseat_1): Initialize bidi_it->string.s to NULL.
	(reseat_to_string): Initialize bidi_it->string.s and
	bidi_it->string.schars.
	(Fcurrent_bidi_paragraph_direction): Initialize itb.string.s to
	NULL (avoids a crash in bidi_paragraph_init).  Initialize
	itb.string.lstring.
	(init_iterator): Call bidi_init_it only of a valid
	buffer position was specified.  Initialize paragraph_embedding to
	L2R.
	(reseat_to_string): Initialize the bidi iterator.
	(display_string): If we need to ignore text properties of
	LISP_STRING, set IT->stop_charpos to IT->end_charpos.  (The
	original value of -1 will not work with bidi.)
	(compute_display_string_pos): First arg is now struct
	`text_pos *'; all callers changed.  Support display properties on
	Lisp strings.
	(compute_display_string_end): Support display properties on Lisp
	strings.
	(init_iterator, reseat_1, reseat_to_string): Initialize the
	string.bufpos member to 0 (zero, for compatibility with IT_CHARPOS
	when iterating on a string not from display properties).
	(compute_display_string_pos, compute_display_string_end): Fix
	calculation of the object to scan.  Fixes an error when using
	arrow keys.
	(next_element_from_buffer): Don't abort when IT_CHARPOS is before
	base_level_stop; instead, set base_level_stop to BEGV.  Fixes
	crashes in vertical-motion.
	(next_element_from_buffer): Improve commentary for when
	the iterator is before prev_stop.
	(init_iterator): Initialize bidi_p from the default value of
	bidi-display-reordering, not from buffer-local value.  Use the
	buffer-local value only if initializing for buffer iteration.
	(handle_invisible_prop): Support invisible properties on strings
	that are being bidi-reordered.
	(set_iterator_to_next): Support bidi reordering of C strings and
	Lisp strings.
	(next_element_from_string): Support bidi reordering of Lisp
	strings.
	(handle_stop_backwards): Support Lisp strings as well.
	(display_string): Support display of R2L glyph rows.  Use
	IT_STRING_CHARPOS when displaying from a Lisp string.
	(init_iterator): Don't initialize it->bidi_p for strings
	here.
	(reseat_to_string): Initialize it->bidi_p for strings here.
	(next_element_from_string, next_element_from_c_string)
	(next_element_from_buffer): Add xassert's for correspondence
	between IT's object being iterated and it->bidi_it.string
	structure.
	(face_before_or_after_it_pos): Support bidi iteration.
	(next_element_from_c_string): Handle the case of the first string
	character that is not the first one in the visual order.
	(get_visually_first_element): New function, refactored from common
	parts of next_element_from_buffer, next_element_from_string, and
	next_element_from_c_string.
	(tool_bar_lines_needed, redisplay_tool_bar)
	(display_menu_bar): Force left-to-right direction.  Add a FIXME
	comment for making that be controlled by a user option.
	(push_it, pop_it): Save and restore the state of the
	bidi iterator.  Save and restore the bidi_p flag.
	(pop_it): Iterate out of display property for string iteration as
	well.
	(iterate_out_of_display_property): Support iteration over strings.
	(handle_single_display_spec): Set up it->bidi_it for iteration
	over a display string, and call bidi_init_it.
	(handle_single_display_spec, next_overlay_string)
	(get_overlay_strings_1, push_display_prop): Set up the bidi
	iterator for displaying display or overlay strings.
	(forward_to_next_line_start): Don't use the shortcut if
	bidi-iterating.
	(back_to_previous_visible_line_start): If handle_display_prop
	pushed the iterator stack, restore the internal state of the bidi
	iterator by calling bidi_pop_it same number of times.
	(reseat_at_next_visible_line_start): If ON_NEWLINE_P is non-zero,
	and we are bidi-iterating, don't decrement the iterator position;
	instead, set the first_elt flag in the bidi iterator, to produce
	the same effect.
	(reseat_1): Remove redundant setting of string_from_display_prop_p.
	(push_display_prop): xassert that we are iterating a buffer.
	(push_it, pop_it): Save and restore paragraph_embedding member.
	(handle_single_display_spec, next_overlay_string)
	(get_overlay_strings_1, reseat_1, reseat_to_string)
	(push_display_prop): Set up the `unibyte' member of bidi_it.string
	correctly.  Don't assume unibyte strings are not bidi-reordered.
	(compute_display_string_pos)
	(compute_display_string_end): Fix handling the case of C string.
	(push_it, pop_it): Save and restore from_disp_prop_p.
	(handle_single_display_spec, push_display_prop): Set the
	from_disp_prop_p flag.
	(get_overlay_strings_1): Reset the from_disp_prop_p flag.
	(pop_it): Call iterate_out_of_display_property only if we are
	popping after iteration over a string that came from a display
	property.  Fix a typo in popping stretch info.  Add an assertion
	for verifying that the iterator position is in sync with the bidi
	iterator.
	(handle_single_display_spec, get_overlay_strings_1)
	(push_display_prop): Fix initialization of paragraph direction for
	string when that of the parent object is not yet determined.
	(reseat_1): Call bidi_init_it to resync the bidi
	iterator with IT's position.  (Bug#7616)
	(find_row_edges): If ROW->start.pos gives position
	smaller than min_pos, use it as ROW->minpos.  (Bug#7616)
	(handle_stop, back_to_previous_visible_line_start, reseat_1):
	Reset the from_disp_prop_p flag.
	(SAVE_IT, RESTORE_IT): New macros.
	(pos_visible_p, face_before_or_after_it_pos)
	(back_to_previous_visible_line_start)
	(move_it_in_display_line_to, move_it_in_display_line)
	(move_it_to, move_it_vertically_backward, move_it_by_lines)
	(try_scrolling, redisplay_window, display_line): Use them when
	saving a temporary copy of the iterator and restoring it back.
	(back_to_previous_visible_line_start, reseat_1)
	(init_iterator): Empty the bidi cache "stack".
	(move_it_in_display_line_to): If iterator ended up at
	EOL, but we never saw any buffer positions smaller than
	to_charpos, return MOVE_POS_MATCH_OR_ZV.  Fixes vertical cursor
	motion in bidi-reordered lines.
	(move_it_in_display_line_to): Record prev_method and prev_pos
	immediately before the call to set_iterator_to_next.  Fixes cursor
	motion in bidi-reordered lines with stretch glyphs and strings
	displayed in margins.  (Bug#8133) (Bug#8867)
	Return MOVE_POS_MATCH_OR_ZV only if iterator position is past
	TO_CHARPOS.
	(pos_visible_p): Support positions in bidi-reordered lines.  Save
	and restore bidi cache.

	* bidi.c (bidi_level_of_next_char): clen should be EMACS_NT, not int.
	(bidi_paragraph_info): Delete unused struct.
	(bidi_cache_idx, bidi_cache_last_idx): Declare EMACS_INT.
	(bidi_cache_start): New variable.
	(bidi_cache_reset): Reset bidi_cache_idx to bidi_cache_start, not
	to zero.
	(bidi_cache_fetch_state, bidi_cache_search)
	(bidi_cache_find_level_change, bidi_cache_iterator_state)
	(bidi_cache_find, bidi_peek_at_next_level)
	(bidi_level_of_next_char, bidi_find_other_level_edge)
	(bidi_move_to_visually_next): Compare cache index with
	bidi_cache_start rather than with zero.
	(bidi_fetch_char): Accept new argument STRING; all callers
	changed.  Support iteration over a string.  Support strings with
	display properties.  Support unibyte strings.  Fix the type of
	`len' according to what STRING_CHAR_AND_LENGTH expects.
	(bidi_paragraph_init, bidi_resolve_explicit_1)
	(bidi_resolve_explicit, bidi_resolve_weak)
	(bidi_level_of_next_char, bidi_move_to_visually_next): Support
	iteration over a string.
	(bidi_set_sor_type, bidi_resolve_explicit_1)
	(bidi_resolve_explicit, bidi_type_of_next_char): ignore_bn_limit
	can now be zero (for strings); special values 0 and -1 were
	changed to -1 and -2, respectively.
	(bidi_char_at_pos): New function.
	(bidi_paragraph_init, bidi_resolve_explicit, bidi_resolve_weak):
	Call it instead of FETCH_MULTIBYTE_CHAR.
	(bidi_move_to_visually_next): Abort if charpos or bytepos were not
	initialized to valid values.
	(bidi_init_it): Don't initialize charpos and bytepos with invalid
	values.
	(bidi_level_of_next_char): Allow the sentinel "position" to pass
	the test for valid cached positions.  Fix the logic for looking up
	the sentinel state in the cache.  GCPRO the Lisp string we are
	iterating.
	(bidi_push_it, bidi_pop_it): New functions.
	(bidi_initialize): Initialize the bidi cache start stack pointer.
	(bidi_cache_ensure_space): New function, refactored from part of
	bidi_cache_iterator_state.  Don't assume the required size is just
	one BIDI_CACHE_CHUNK away.
	(bidi_cache_start_stack, bidi_push_it): Use IT_STACK_SIZE.
	(bidi_count_bytes, bidi_char_at_pos): New functions.
	(bidi_cache_search): Don't assume bidi_cache_last_idx is
	always valid if bidi_cache_idx is valid.
	(bidi_cache_find_level_change): xassert that bidi_cache_last_idx
	is valid if it's going to be used.
	(bidi_shelve_cache, bidi_unshelve_cache): New functions.
	(bidi_cache_fetch_state, bidi_cache_search)
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	(bidi_cache_find_level_change, bidi_cache_ensure_space)
	(bidi_cache_iterator_state, bidi_cache_find)
	(bidi_find_other_level_edge, bidi_cache_start_stack): All
	variables related to cache indices are now EMACS_INT.

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	* dispextern.h (struct bidi_string_data): New structure.
	(struct bidi_it): New member `string'.  Make flag members be 1-bit
	fields, and put them last in the struct.
	(compute_display_string_pos, compute_display_string_end): Update
	prototypes.
	(bidi_push_it, bidi_pop_it): Add prototypes.
	(struct iterator_stack_entry): New members bidi_p,
	paragraph_embedding, and from_disp_prop_p.
	(struct it): Member bidi_p is now a bit field 1 bit wide.
	(bidi_shelve_cache, bidi_unshelve_cache): Declare
	prototypes.

	* .gdbinit (xvectype, xvector, xcompiled, xchartable, xboolvector)
	(xpr, xfont, xbacktrace): Use "header.size" when accessing vectors
	and vector-like objects.

	* dispnew.c (buffer_posn_from_coords): Save and restore the bidi
	cache around display iteration.

	* window.c (Fwindow_end, window_scroll_pixel_based)
	(displayed_window_lines, Frecenter): Save and restore the bidi
	cache around display iteration.

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2011-07-14  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* editfns.c (Fdelete_region): Clarify the use of the named
	parameters (bug#6788).

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2011-07-14  Martin Rudalics  <rudalics@gmx.at>

	* indent.c (Fvertical_motion): Set and restore w->pointm when
	saving and restoring the window's buffer (Bug#9006).

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2011-07-13  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* editfns.c (Fstring_to_char): Clarify just what is returned
	(bug#6576).  Text by Eli Zaretskii.

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2011-07-13  Juanma Barranquero  <lekktu@gmail.com>

	* gnutls.c (init_gnutls_functions): Honor gnutls_log_level (bug#9059).

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2011-07-13  Eli Zaretskii  <eliz@gnu.org>

	* buffer.c (mmap_find): Fix a typo.

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2011-07-13  Johan Bockgård  <bojohan@gnu.org>

	Fix execution of x selection hooks.
	* xselect.c (Qx_lost_selection_functions)
	(Qx_sent_selection_functions): New vars.
	(syms_of_xselect): DEFSYM them.
	(x_handle_selection_request): Pass Qx_sent_selection_functions
	rather than Vx_sent_selection_functions to Frun_hook_with_args.
	(x_handle_selection_clear,x_clear_frame_selections):
	Pass Qx_lost_selection_functions rather than
	Vx_lost_selection_functions to Frun_hook_with_args.

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2011-07-13  Paul Eggert  <eggert@cs.ucla.edu>

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	* buffer.c (Fget_buffer_create): Initialize inhibit_shrinking.
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	The old code sometimes used this field without initializing it.

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	* alloc.c (gc_sweep): Don't read past end of array.
	In theory, the old code could also have corrupted Emacs internals,
	though it'd be very unlikely.

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2011-07-12  Andreas Schwab  <schwab@linux-m68k.org>

	* character.c (Fcharacterp): Don't advertise optional ignored
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	argument.  (Bug#4026)
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2011-07-12  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* keymap.c (syms_of_keymap): Clarify that "modifier" is "modifier
	key" (bug#4257).

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	* window.c (Fset_window_start): Doc fix (bug#4199).
	(Fset_window_hscroll): Ditto.

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2011-07-12  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix minor new problems caught by GCC 4.6.1.
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	* term.c (init_tty): Remove unused local.
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	* xsettings.c (store_monospaced_changed): Define this function only
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	if (defined HAVE_GSETTINGS || defined HAVE_GCONF), as it's
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	not used otherwise.
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2011-07-12  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (Vresize_mini_windows): Minor doc fix (Bug#3300).

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2011-07-11  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* xdisp.c (syms_of_xdisp): Make it explicit that the mini-windows
	are the mini-buffer and the echo area (bug#3320).

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	* term.c (init_tty): Remove support for supdup, c10 and perq
	terminals, which are no longer supported (bug#1482).

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2011-07-10  Johan Bockgård  <bojohan@gnu.org>

	* xdisp.c (Ftool_bar_lines_needed): Fix WINDOWP check.

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2011-07-10  Jan Djärv  <jan.h.d@swipnet.se>

	* xmenu.c (menu_highlight_callback): Only pass frame to show_help_event
	for non-popups (Bug#3642).

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2011-07-10  Andreas Schwab  <schwab@linux-m68k.org>

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	* alloc.c (reset_malloc_hooks): Protoize.
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	* buffer.c (mmap_init, mmap_find, mmap_free_1, mmap_enlarge)
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	(mmap_set_vars, mmap_alloc, mmap_free, mmap_realloc): Likewise.
	* cm.c (losecursor): Likewise.
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	* data.c (fmod): Likewise.
	* dispnew.c (swap_glyphs_in_rows): Likewise.
	* emacs.c (memory_warning_signal): Likewise.
	* floatfns.c (float_error): Likewise.
	* font.c (check_gstring, check_otf_features, otf_tag_symbol)
	(otf_open, font_otf_capability, generate_otf_features)
	(font_otf_DeviceTable, font_otf_ValueRecord, font_otf_Anchor):
	Likewise.
	* image.c (pbm_read_file): Likewise.
	* indent.c (string_display_width): Likewise.
	* intervals.c (check_for_interval, search_for_interval)
	(inc_interval_count, count_intervals, root_interval)
	(adjust_intervals_for_insertion, make_new_interval): Likewise.
	* lread.c (defalias): Likewise.
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	* ralloc.c (r_alloc_check): Likewise.
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	* regex.c (set_image_of_range_1, set_image_of_range)
	(regex_grow_registers): Likewise.
	* sysdep.c (strerror): Likewise.
	* termcap.c (valid_filename_p, tprint, main): Likewise.
	* tparam.c (main): Likewise.
	* unexhp9k800.c (run_time_remap, save_data_space)
	(update_file_ptrs, read_header, write_header, calculate_checksum)
	(copy_file, copy_rest, display_header): Likewise.
	* widget.c (mark_shell_size_user_specified, create_frame_gcs):
	Likewise.
	* xdisp.c (check_it): Likewise.
	* xfaces.c (register_color, unregister_color, unregister_colors):
	Likewise.
	* xfns.c (print_fontset_result): Likewise.
	* xrdb.c (member, fatal, main): Likewise.

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2011-07-10  Paul Eggert  <eggert@cs.ucla.edu>

	Fix minor problems found by static checking (Bug#9031).
	* chartab.c (char_table_set_range, map_sub_char_table):
	Remove unused locals.
	(uniprop_table): Now static.
	* composite.c (_work_char): Remove unused static var.

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2011-07-09  Juanma Barranquero  <lekktu@gmail.com>

	* chartab.c (uniprop_table_uncompress): Remove unused local variable.

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2011-07-09  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (qttip_cb): Remove code without function.

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2011-07-09  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (pthread_sigmask): New stub.

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2011-07-08  Paul Eggert  <eggert@cs.ucla.edu>
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	Use pthread_sigmask, not sigprocmask (Bug#9010).
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	sigprocmask is portable only for single-threaded applications, and
	Emacs can be multi-threaded when it uses GTK.
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	* Makefile.in (LIB_PTHREAD_SIGMASK): New macro.
	(LIBES): Use it.
	* callproc.c (Fcall_process):
	* process.c (create_process):
	* sysdep.c (sys_sigblock, sys_sigunblock, sys_sigsetmask):
	Use pthread_sigmask, not sigprocmask.
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2011-07-08  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (qttip_cb): Set line wrap to FALSE for tooltip widget.
	(xg_prepare_tooltip): Revert text in x->ttip_lbl, margins was
	wrong (Bug#8591).

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	* gtkutil.c (xg_prepare_tooltip): Fix indentation and comment.
	Put text in x->ttip_lbl instead of gtk_tooltip_set_text (Bug#8591).
	(xg_hide_tooltip): Fix comment.

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	* nsterm.m (initFrameFromEmacs): Don't use ns_return_types
	in registerServicesMenuSendTypes.
	(validRequestorForSendType): Don't check ns_return_types.

	* nsfns.m (Fx_open_connection): Put NSStringPboardType into
	ns_return_type.

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2011-07-08  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (w32_wnd_proc) [WM_TIMER, WM_SET_CURSOR]: Avoid using
	frame struct members of non-existent frames (Bug#6284).

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2011-07-08  Jan Djärv  <jan.h.d@swipnet.se>

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	* nsterm.m (keyDown): Call to wantsToDelayTextChangeNotifications and
	variable firstTime not needed on OSX >= 10.6.
	(setPosition): setFloatValue:knobProportion: is deprecated on OSX
	>= 10.5.  Use setKnobProportion, setDoubleValue.

	* nsterm.h (MAC_OS_X_VERSION_10_3, MAC_OS_X_VERSION_10_4)
	(MAC_OS_X_VERSION_10_5): Define if not defined.
	(EmacsView, EmacsTooltip): Implements NSWindowDelegate on OSX >= 10.6.
	(EmacsMenu): Implements NSMenuDelegate on OSX >= 10.6.
	(EmacsToolbar): Implements NSToolbarDelegate on OSX >= 10.6.

	* nsselect.m (ns_string_from_pasteboard): Don't use deprecated methods
	cString and lossyCString on OSX >= 10.4

	* nsmenu.m (fillWithWidgetValue): Don't use depercated method
	sizeToFit on OSX >= 10.2.

	* nsimage.m (allocInitFromFile): Don't use deprecated method
	bestRepresentationForDevice on OSX >= 10.6.

	* nsfns.m (check_ns_display_info): Cast to long and use %ld in error
	to avoid warning.

	* emacs.c: Declare unexec_init_emacs_zone.

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	* nsgui.h: Fix compiler warning about gnulib redefining verify.

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	* nsselect.m (ns_get_local_selection): Change to extern (Bug#8842).

	* nsmenu.m (ns_update_menubar): Remove useless setDelegate call
	on svcsMenu (Bug#8842).

	* nsfns.m (Fx_open_connection): Remove NSStringPboardType from
	ns_return_types.
	(Fns_list_services): Just return Qnil on 10.6, code not working there.

	* nsterm.m (QUTF8_STRING): Declare.
	(initFrameFromEmacs): Call registerServicesMenuSendTypes.
	(validRequestorForSendType): Return type is (id).
	Change indexOfObjectIdenticalTo to indexOfObject.
	Check if we have local selection before returning self (Bug#8842).
	(writeSelectionToPasteboard): Put local selection into paste board
	if we have a local selection (Bug#8842).
	(syms_of_nsterm): DEFSYM QUTF8_STRING.

	* nsterm.h (MAC_OS_X_VERSION_10_6): Define here instead of nsterm.m.
	(ns_get_local_selection): Declare.

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2011-07-07  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* keymap.c (describe_map_tree): Don't insert a double newline at
	the end of the buffer (bug#1169) and return whether we inserted
	something.

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	* callint.c (Fcall_interactively): Change "reading args" to
	"providing args" to try to clarify what it does (bug#1010).

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2011-07-07  Kenichi Handa  <handa@m17n.org>

	* composite.c (composition_compute_stop_pos): Ignore a static
	composition starting before CHARPOS (Bug#8915).

	* xdisp.c (handle_composition_prop): Likewise.

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

	* term.c (produce_glyphs) <xassert>: Allow IT_GLYPHLESS in it->what.
	(Bug#9015)

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2011-07-07  Kenichi Handa  <handa@m17n.org>
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	* character.h (unicode_category_t): New enum type.

	* chartab.c (uniprop_decoder_t, uniprop_encoder_t): New types.
	(Qchar_code_property_table): New variable.
	(UNIPROP_TABLE_P, UNIPROP_GET_DECODER)
	(UNIPROP_COMPRESSED_FORM_P): New macros.
	(char_table_ascii): Uncompress the compressed values.
	(sub_char_table_ref): New arg is_uniprop.  Callers changed.
	Uncompress the compressed values.
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	(sub_char_table_ref_and_range): Likewise.
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	(char_table_ref_and_range): Uncompress the compressed values.
	(sub_char_table_set): New arg is_uniprop.  Callers changed.
	Uncompress the compressed values.
	(sub_char_table_set_range): Args changed.  Callers changed.
	(char_table_set_range): Adjuted for the above change.
	(map_sub_char_table): Delete args default_val and parent.  Add arg
	top.  Give decoded values to a Lisp function.
	(map_char_table): Adjusted for the above change.  Give decoded
	values to a Lisp function.  Gcpro more variables.
	(uniprop_table_uncompress)
	(uniprop_decode_value_run_length): New functions.
	(uniprop_decoder, uniprop_decoder_count): New variables.
	(uniprop_get_decoder, uniprop_encode_value_character)
	(uniprop_encode_value_run_length, uniprop_encode_value_numeric):
	New functions.
	(uniprop_encoder, uniprop_encoder_count): New variables.
	(uniprop_get_encoder, uniprop_table)
	(Funicode_property_table_internal, Fget_unicode_property_internal)
	(Fput_unicode_property_internal): New functions.
	(syms_of_chartab): DEFSYM Qchar_code_property_table, defsubr
	Sunicode_property_table_internal, Sget_unicode_property_internal,
	and Sput_unicode_property_internal. Defvar_lisp
	char-code-property-alist.

	* composite.c (CHAR_COMPOSABLE_P): Adjusted for the change of
	Vunicode_category_table.

	* font.c (font_range): Adjusted for the change of
	Vunicode_category_table.

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2011-07-07  Dan Nicolaescu  <dann@ics.uci.edu>

	* m/iris4d.h: Remove file, move contents ...
	* s/irix6-5.h: ... here.

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2011-07-06  Paul Eggert  <eggert@cs.ucla.edu>

	Remove unportable assumption about struct layout (Bug#8884).
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	* alloc.c (mark_buffer):
	* buffer.c (reset_buffer_local_variables, Fbuffer_local_variables)
	(clone_per_buffer_values): Don't assume that
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	sizeof (struct buffer) is a multiple of sizeof (Lisp_Object).
	This isn't true in general, and it's particularly not true
	if Emacs is configured with --with-wide-int.
	* buffer.h (FIRST_FIELD_PER_BUFFER, LAST_FIELD_PER_BUFFER):
	New macros, used in the buffer.c change.

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2011-07-05  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c: Use both GConf and GSettings if both are available.
	(store_config_changed_event): Add comment.
	(dpyinfo_valid, store_font_name_changed, map_tool_bar_style)
	(store_tool_bar_style_changed): New functions.
	(store_monospaced_changed): Add comment. Call dpyinfo_valid.
	(struct xsettings): Move font inside HAVE_XFT.
	(GSETTINGS_TOOL_BAR_STYLE, GSETTINGS_FONT_NAME): New defines.
	(GSETTINGS_MONO_FONT): Renamed from SYSTEM_MONO_FONT.
	Move inside HAVE_XFT.
	(something_changed_gsettingsCB): Renamed from something_changedCB.
	Check for changes in GSETTINGS_TOOL_BAR_STYLE and GSETTINGS_FONT_NAME
	also.
	(GCONF_TOOL_BAR_STYLE, GCONF_FONT_NAME): New defines.
	(GCONF_MONO_FONT): Renamed from SYSTEM_MONO_FONT. Move inside HAVE_XFT.
	(something_changed_gconfCB): Renamed from something_changedCB.
	Check for changes in GCONF_TOOL_BAR_STYLE and GCONF_FONT_NAME also.
	(parse_settings): Move check for font inside HAVE_XFT.
	(read_settings, apply_xft_settings): Add comment.
	(read_and_apply_settings): Add comment.  Call map_tool_bar_style and
	store_tool_bar_style_changed.  Move check for font inside HAVE_XFT and
	call store_font_name_changed.
	(xft_settings_event): Add comment.
	(init_gsettings): Add comment.  Get values for GSETTINGS_TOOL_BAR_STYLE
	and GSETTINGS_FONT_NAME.  Move check for fonts within HAVE_XFT.
	(init_gconf): Add comment.  Get values for GCONF_TOOL_BAR_STYLE
	and GCONF_FONT_NAME.  Move check for fonts within HAVE_XFT.
	(xsettings_initialize): Call init_gsettings last.
	(xsettings_get_system_font, xsettings_get_system_normal_font): Add
	comment.

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2011-07-05  Paul Eggert  <eggert@cs.ucla.edu>

	Random fixes.  E.g., (random) never returned negative values.
	* fns.c (Frandom): Use GET_EMACS_TIME for random seed, and add the
	subseconds part to the entropy, as that's a bit more random.
	Prefer signed to unsigned, since the signedness doesn't matter and
	in general we prefer signed.  When given a limit, use a
	denominator equal to INTMASK + 1, not to VALMASK + 1, because the
	latter isn't right if USE_2_TAGS_FOR_INTS.
	* sysdep.c (get_random): Return a value in the range 0..INTMASK,
	not 0..VALMASK.  Don't discard "excess" bits that random () returns.

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2011-07-04  Stefan Monnier  <monnier@iro.umontreal.ca>

	* textprop.c (text_property_stickiness):
	Obey Vtext_property_default_nonsticky.
	(syms_of_textprop): Add `display' to Vtext_property_default_nonsticky.
	* w32fns.c (syms_of_w32fns):
	* xfns.c (syms_of_xfns): Don't Add `display' since it's there by default.

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2011-07-04  Paul Eggert  <eggert@cs.ucla.edu>

	* fileio.c (barf_or_query_if_file_exists): Use S_ISDIR.
	This is more efficient than Ffile_directory_p and avoids a minor race.

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2011-07-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* buffer.c (Foverlay_put): Say what the return value is
	(bug#7835).

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	* fileio.c (barf_or_query_if_file_exists): Check first if the file
	is a directory before asking whether to use the file name
	(bug#7564).
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	(barf_or_query_if_file_exists): Make the "File is a directory"
	error be more correct.
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	* fns.c (Frequire): Remove the mention of the .gz files, since
	that's installation-specific, but keep the mention of
	`get-load-suffixes'.

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2011-07-04  Paul Eggert  <eggert@cs.ucla.edu>

	* editfns.c (Fformat_time_string): Don't assume strlen fits in int.
	Report string overflow if the output is too long.

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2011-07-04  Juanma Barranquero  <lekktu@gmail.com>

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	* gnutls.c (Fgnutls_boot): Don't mention :verify-error.
	(syms_of_gnutls): Remove duplicate DEFSYM for
	Qgnutls_bootprop_verify_hostname_error, an error for
	Qgnutls_bootprop_verify_error (which is no longer used).

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	* eval.c (find_handler_clause): Remove parameters `sig' and `data',
	unused since 2011-01-26T20:02:07Z!monnier@iro.umontreal.ca.  All callers changed.
	Also (re)move comments that are misplaced or no longer relevant.

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2011-07-03  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* callint.c (Finteractive): Clarify the meaning of "@" (bug#8813).

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2011-07-03  Chong Yidong  <cyd@stupidchicken.com>

	* xfaces.c (Finternal_merge_in_global_face): Modify the foreground
	and background color parameters if they have been changed.

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2011-07-03  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* editfns.c (Fformat): Clarify the - and 0 flags (bug#6659).

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2011-07-03  Paul Eggert  <eggert@cs.ucla.edu>

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	* xsettings.c (SYSTEM_FONT): Define only when used.
	No need to define when HAVE_GSETTINGS || !HAVE_XFT.

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	* keymap.c (access_keymap_1): Now static.

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2011-07-02  Chong Yidong  <cyd@stupidchicken.com>

	* keyboard.c (command_loop_1): If a down-mouse event is unbound,
	leave any prefix arg for the up event (Bug#1586).

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2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* lread.c (syms_of_lread): Mention single symbols defined by
	`defvar' or `defconst' (bug#7154).

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	* fns.c (Frequire): Mention .el.gz files (bug#7314).
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	(Frequire): Mention get-load-suffixes.
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2011-07-02  Martin Rudalics  <rudalics@gmx.at>

	* window.h (window): Remove clone_number slot.
	* window.c (Fwindow_clone_number, Fset_window_clone_number):
	Remove.
	(make_parent_window, make_window, saved_window)
	(Fset_window_configuration, save_window_save): Don't deal with
	clone numbers.
	* buffer.c (Qclone_number): Remove declaration.
	(sort_overlays, overlay_strings): Don't deal with clone numbers.

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2011-07-02  Stefan Monnier  <monnier@iro.umontreal.ca>

	Add multiple inheritance to keymaps.
	* keymap.c (Fmake_composed_keymap): New function.
	(Fset_keymap_parent): Simplify.
	(fix_submap_inheritance): Remove.
	(access_keymap_1): New function extracted from access_keymap to handle
	embedded parents and handle lists of maps.
	(access_keymap): Use it.
	(Fkeymap_prompt, map_keymap_internal, map_keymap, store_in_keymap)
	(Fcopy_keymap): Handle embedded parents.
	(Fcommand_remapping, define_as_prefix): Simplify.
	(Fkey_binding): Simplify.
	(syms_of_keymap): Move minibuffer-local-completion-map,
	minibuffer-local-filename-completion-map,
	minibuffer-local-must-match-map, and
	minibuffer-local-filename-must-match-map to Elisp.
	(syms_of_keymap): Defsubr make-composed-keymap.
	* keyboard.c (menu_bar_items): Use map_keymap_canonical.
	(parse_menu_item): Trivial simplification.

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2011-07-01  Glenn Morris  <rgm@gnu.org>

	* Makefile.in (SETTINGS_LIBS): Fix typo.

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2011-07-01  Kazuhiro Ito  <kzhr@d1.dion.ne.jp>  (tiny patch)

	* coding.c (Fencode_coding_string): Record the last coding system
	used, as the function doc string says (bug#8738).

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2011-07-01  Jan Djärv  <jan.h.d@swipnet.se>

	* xsettings.c (store_monospaced_changed): Take new font as arg and
	check for change against current_mono_font.
	(EMACS_TYPE_SETTINGS): Remove this and related defines.
	(emacs_settings_constructor, emacs_settings_get_property)
	(emacs_settings_set_property, emacs_settings_class_init)
	(emacs_settings_init, gsettings_obj): Remove.
	(something_changedCB): New function for HAVE_GSETTINGS.
	(something_changedCB): HAVE_GCONF: Call store_monospaced_changed
	with value as argument.
	(init_gsettings): Check that GSETTINGS_SCHEMA exists before calling
	g_settings_new (Bug#8967).  Do not create gsettings_obj.
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	Remove calls to g_settings_bind.  Connect something_changedCB to
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	"changed".

	* xgselect.c: Add defined (HAVE_GSETTINGS).
	(xgselect_initialize): Ditto.

	* process.c: Add defined (HAVE_GSETTINGS) for xgselect.h
	(wait_reading_process_output): Add defined (HAVE_GSETTINGS) for
	xg_select.

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2011-07-01  Paul Eggert  <eggert@cs.ucla.edu>

	* eval.c (struct backtrace): Simplify and port the data structure.
	Do not assume that "int nargs : BITS_PER_INT - 2;" produces a
	signed bit field, as this assumption is not portable and it makes
	Emacs crash when compiled with Sun C 5.8 on sparc.  Do not use
	"char debug_on_exit : 1" as this is not portable either; instead,
	use the portable "unsigned int debug_on_exit : 1".  Remove unused
	member evalargs.  Remove obsolete comments about cc bombing out.

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2011-06-30  Jan Djärv  <jan.h.d@swipnet.se>

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	* xsettings.c: Include glib-object.h, gio/gio.h if HAVE_GSETTINGS.
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	Let HAVE_GSETTINGS override HAVE_GCONF.
	(store_monospaced_changed): New function.
	(EMACS_SETTINGS): A new type derived from GObject to handle
	GSettings notifications.
	(emacs_settings_constructor, emacs_settings_get_property)
	(emacs_settings_set_property, emacs_settings_class_init):
	New functions.
	(gsettings_client, gsettings_obj): New variables.
	(GSETTINGS_SCHEMA): New define.
	(something_changedCB): Call store_monospaced_changed.
	(init_gsettings): New function.
	(xsettings_initialize): Call init_gsettings.
	(syms_of_xsettings): Initialize gsettings_client, gsettings_obj
	to NULL.

	* Makefile.in (SETTINGS_CFLAGS, SETTINGS_LIBS): Renamed from
	GCONF_CFLAGS/LIBS.

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2011-06-29  Martin Rudalics  <rudalics@gmx.at>

	* window.c (resize_root_window, grow_mini_window)
	(shrink_mini_window): Rename Qresize_root_window to
	Qwindow_resize_root_window and Qresize_root_window_vertically to
	Qwindow_resize_root_window_vertically.

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2011-06-28  Paul Eggert  <eggert@cs.ucla.edu>

	* gnutls.c (Qgnutls_bootprop_verify_error): Remove unused var.

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2011-06-27  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in: Redesign dependencies so they reflect more
	clearly which files are directly included by each source file,
	and not through other includes.

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2011-06-27  Martin Rudalics  <rudalics@gmx.at>

	* buffer.c (Qclone_number): Declare static and DEFSYM it.
	(sort_overlays, overlay_strings): When an overlay's clone number
	matches the window's clone number process the overlay even if
	the overlay's window property doesn't match the current window.

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	* window.c (Fwindow_vchild): Rename to Fwindow_top_child.
	(Fwindow_hchild): Rename to Fwindow_left_child.
	(Fwindow_next): Rename to Fwindow_next_sibling.
	(Fwindow_prev): Rename to Fwindow_prev_sibling.
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	(resize_window_check): Rename to window_resize_check.
	(resize_window_apply): Rename to window_resize_apply.
	(Fresize_window_apply): Rename to Fwindow_resize_apply.
	(Fdelete_other_windows_internal, resize_frame_windows)
	(Fsplit_window_internal, Fdelete_window_internal)
	(grow_mini_window, shrink_mini_window)
	(Fresize_mini_window_internal): Fix callers accordingly.
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2011-06-26  Jan Djärv  <jan.h.d@swipnet.se>

	* emacsgtkfixed.h: State that this is only used with Gtk+3.
	(emacs_fixed_set_min_size): Remove.
	(emacs_fixed_new): Take frame as argument.

	* emacsgtkfixed.c: State that this is only used with Gtk+3.
	(_EmacsFixedPrivate): Remove minwidth/height.
	Add struct frame *f.
	(emacs_fixed_init): Initialize priv->f.
	(get_parent_class, emacs_fixed_set_min_size): Remove.
	(emacs_fixed_new): Set priv->f to argument.
	(emacs_fixed_get_preferred_width)
	(emacs_fixed_get_preferred_height): Use min_width/height from
	frames size_hint to set minimum and natural (Bug#8919).
	(XSetWMSizeHints, XSetWMNormalHints): Override these functions
	and use min_width/height from frames size_hint to set
	min_width/height (Bug#8919).

	* gtkutil.c (xg_create_frame_widgets): Pass f to emacs_fixed_new.
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	(x_wm_set_size_hint): Remove call to emacs_fixed_set_min_size.
	Fix indentation.
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2011-06-26  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_paragraph_init): Test for ZV_BYTE before calling
	bidi_at_paragraph_end, since fast_looking_at doesn't like to be
	called at ZV.

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2011-06-26  Chong Yidong  <cyd@stupidchicken.com>

	* process.c (wait_reading_process_output): Bypass select if
	waiting for a cell while ignoring keyboard input, and input is
	pending.  Suggested by Jan Djärv (Bug#8869).

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2011-06-25  Paul Eggert  <eggert@cs.ucla.edu>

	Use gnulib's dup2 module instead of rolling our own.
	* sysdep.c (dup2) [!HAVE_DUP2]: Remove; gnulib now does this.

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2011-06-25  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* dispnew.c (scrolling_window): Before scrolling, turn off a
	mouse-highlight in the window being scrolled.

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2011-06-24  Juanma Barranquero  <lekktu@gmail.com>

	Move DEFSYM to lisp.h and use everywhere.

	* character.h (DEFSYM): Move declaration...
	* lisp.h (DEFSYM): ...here.

	* gnutls.c:
	* minibuf.c:
	* w32menu.c:
	* w32proc.c:
	* w32select.c: Don't include character.h.

	* alloc.c (syms_of_alloc):
	* buffer.c (syms_of_buffer):
	* bytecode.c (syms_of_bytecode):
	* callint.c (syms_of_callint):
	* casefiddle.c (syms_of_casefiddle):
	* casetab.c (init_casetab_once):
	* category.c (init_category_once, syms_of_category):
	* ccl.c (syms_of_ccl):
	* cmds.c (syms_of_cmds):
	* composite.c (syms_of_composite):
	* dbusbind.c (syms_of_dbusbind):
	* dired.c (syms_of_dired):
	* dispnew.c (syms_of_display):
	* doc.c (syms_of_doc):
	* editfns.c (syms_of_editfns):
	* emacs.c (syms_of_emacs):
	* eval.c (syms_of_eval):
	* fileio.c (syms_of_fileio):
	* fns.c (syms_of_fns):
	* frame.c (syms_of_frame):
	* fringe.c (syms_of_fringe):
	* insdel.c (syms_of_insdel):
	* keymap.c (syms_of_keymap):
	* lread.c (init_obarray, syms_of_lread):
	* macros.c (syms_of_macros):
	* msdos.c (syms_of_msdos):
	* print.c (syms_of_print):
	* process.c (syms_of_process):
	* search.c (syms_of_search):
	* sound.c (syms_of_sound):
	* syntax.c (init_syntax_once, syms_of_syntax):
	* terminal.c (syms_of_terminal):
	* textprop.c (syms_of_textprop):
	* undo.c (syms_of_undo):
	* w32.c (globals_of_w32):
	* window.c (syms_of_window):
	* xdisp.c (syms_of_xdisp):
	* xfaces.c (syms_of_xfaces):
	* xfns.c (syms_of_xfns):
	* xmenu.c (syms_of_xmenu):
	* xsettings.c (syms_of_xsettings):
	* xterm.c (syms_of_xterm): Use DEFSYM.

957 958
2011-06-24  Teodor Zlatanov  <tzz@lifelogs.com>

959
	* gnutls.c (syms_of_gnutls): Use the DEFSYM macro from character.h.
960

961 962
2011-06-23  Paul Eggert  <eggert@cs.ucla.edu>

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963 964
	Integer and buffer overflow fixes (Bug#8873).

965 966 967 968
	* print.c (printchar, strout): Check for string overflow.
	(PRINTPREPARE, printchar, strout):
	Don't set size unless allocation succeeds.

969 970 971 972
	* minibuf.c (read_minibuf_noninteractive): Use ptrdiff_t, not int,
	for sizes.  Check for string overflow more accurately.
	Simplify newline removal at end; this suppresses a GCC 4.6.0 warning.

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	* macros.c: Integer and buffer overflow fixes.
	* keyboard.h (struct keyboard.kbd_macro_bufsize):
	* macros.c (Fstart_kbd_macro, store_kbd_macro_char):
	Use ptrdiff_t, not int, for sizes.
	Don't increment bufsize until after realloc succeeds.
	Check for size-calculation overflow.
	(Fstart_kbd_macro): Use EMACS_INT, not int, for XINT result.

981 982
	* lisp.h (DEFVAR_KBOARD): Use offsetof instead of char * finagling.

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	* lread.c: Integer overflow fixes.
	(read_integer): Radix is now EMACS_INT, not int,
	to improve quality of diagnostics for out-of-range radices.
	Calculate buffer size correctly for out-of-range radices.
	(read1): Check for integer overflow in radices, and in
	read-circle numbers.
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	(read_escape): Avoid int overflow.
	(Fload, openp, read_buffer_size, read1)
	(substitute_object_recurse, read_vector, read_list, map_obarray):
	Use ptrdiff_t, not int, for sizes.
	(read1): Use EMACS_INT, not int, for sizes.
994
	Check for size overflow.
995

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	* image.c (cache_image): Check for size arithmetic overflow.

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	* lread.c: Integer overflow issues.
	(saved_doc_string_size, saved_doc_string_length)
	(prev_saved_doc_string_size, prev_saved_doc_string_length):
	Now ptrdiff_t, not int.
	(read1): Don't assume doc string length fits in int.  Check for
	out-of-range doc string lengths.
	(read_list): Don't assume file position fits in int.
1005
	(read_escape): Check for hex character overflow.
1006

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2011-06-22  Leo Liu  <sdl.web@gmail.com>

	* minibuf.c (Fcompleting_read_default, Vcompleting_read_function):
	Move to minibuffer.el.

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1012 1013
2011-06-22  Paul Eggert  <eggert@cs.ucla.edu>

1014
	Fixes for GLYPH_DEBUG found by GCC 4.6.0 static checking.
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1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
	The following patches are for when GLYPH_DEBUG && !XASSERT.
	* dispextern.h (trace_redisplay_p, dump_glyph_string):
	* dispnew.c (flush_stdout):
	* xdisp.c (dump_glyph_row, dump_glyph_matrix, dump_glyph):
	Mark as externally visible.
	* dispnew.c (check_window_matrix_pointers): Now static.
	* dispnew.c (window_to_frame_vpos):
	* xfns.c (unwind_create_frame):
	* xterm.c (x_check_font): Remove unused local.
	* scroll.c (CHECK_BOUNDS):
	* xfaces.c (cache_fache): Rename local to avoid shadowing.
	* xfns.c, w32fns.c (image_cache_refcount, dpyinfo_refcount): Now static.
	* xdisp.c (check_window_end): Now a no-op if !XASSERTS.
	(debug_first_unchanged_at_end_vpos, debug_last_unchanged_at_beg_vpos)
	(debug_dvpos, debug_dy, debug_delta, debug_delta_bytes, debug_end_vpos):
	Now static.
	(debug_method_add): Use va_list and vsprintf rather than relying
	on undefined behavior with wrong number of arguments.
	(dump_glyph, dump_glyph_row, Fdump_glyph_matrix):
	Don't assume ptrdiff_t and EMACS_INT are the same width as int.
	In this code, it's OK to assume C99 behavior for ptrdiff_t formats
	since we're not interested in debugging glyphs with old libraries.
	* xfaces.c (cache_face): Move debugging code earlier; this pacifies
	GCC 4.6.0's static checking.

1040 1041
2011-06-22  Paul Eggert  <eggert@cs.ucla.edu>

1042 1043 1044
	Integer overflow and signedness fixes (Bug#8873).
	A few related buffer overrun fixes, too.

1045 1046
	* font.c (font_score): Use EMACS_INT, not int, to store XINT value.

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	* dispextern.h (struct face.stipple):
	* image.c (x_bitmap_height, x_bitmap_width, x_bitmap_pixmap)
	(x_bitmap_mask, x_allocate_bitmap_record)
	(x_create_bitmap_from_data, x_create_bitmap_from_file)
	(x_destroy_bitmap, x_destroy_all_bitmaps, x_create_bitmap_mask)
	(x_create_bitmap_from_xpm_data):
	* nsterm.h (struct ns_display_info.bitmaps_size, .bitmaps_last):
	* w32term.h (struct w32_display_info.icon_bitmap_id, .bitmaps_size)
	(.bitmaps_last):
	* xfaces.c (load_pixmap):
	* xterm.c (x_bitmap_icon, x_wm_set_icon_pixmap):
	* xterm.h (struct x_display_info.icon_bitmap_id, .bitmaps_size)
	(.bitmaps_last, struct x_output.icon_bitmap):
	Use ptrdiff_t, not int, for bitmap indexes.
	(x_allocate_bitmap_record): Check for size overflow.
	* dispextern.h, lisp.h: Adjust to API changes elsewhere.

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	Use ptrdiff_t, not int, for overlay counts.
	* buffer.h (overlays_at, sort_overlays, GET_OVERLAYS_AT):
	* editfns.c (overlays_around, get_pos_property):
	* textprop.c (get_char_property_and_overlay):
	* xdisp.c (next_overlay_change, note_mouse_highlight):
	* xfaces.c (face_at_buffer_position):
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	* buffer.c (OVERLAY_COUNT_MAX): New macro.
	(overlays_at, overlays_in, sort_overlays, Foverlays_at)
	(Fnext_overlay_change, Fprevious_overlay_change)
	(mouse_face_overlay_overlaps, Foverlays_in):
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	Use ptrdiff_t, not int, for sizes.
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	(overlays_at, overlays_in): Check for size-calculation overflow.
1076

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	* xterm.c (xim_initialize, same_x_server): Strlen may not fit in int.

1079 1080 1081
	* xsmfns.c (smc_save_yourself_CB, x_session_initialize): Avoid strlen.
	(x_session_initialize): Do not assume string length fits in int.

1082 1083 1084
	* xsettings.c (apply_xft_settings): Fix potential buffer overrun.
	This is unlikely, but can occur if DPI is outlandish.

1085
	* xsettings.c (Ffont_get_system_normal_font, Ffont_get_system_font):
1086 1087
	* xselect.c (Fx_get_atom_name): Avoid need for strlen.

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	* xrdb.c: Don't assume strlen fits in int; avoid some strlens.
	* xrdb.c (magic_file_p, search_magic_path):
	Omit last arg SUFFIX; it was always 0.  All callers changed.
	(magic_file_p): Use ptrdiff_t, not int.  Check for size overflow.

1093 1094
	* xfont.c (xfont_match): Avoid need for strlen.

1095 1096 1097
	* xfns.c: Don't assume strlen fits in int.
	(xic_create_fontsetname, x_window): Use ptrdiff_t, not int.

1098 1099 1100 1101
	* xdisp.c (message_log_check_duplicate): Return intmax_t,
	not unsigned long, as we prefer signed integers.  All callers changed.
	Detect integer overflow in repeat count.
	(message_dolog): Don't assume print length fits in 39 bytes.
1102
	(display_mode_element): Don't assume strlen fits in int.
1103

1104 1105 1106 1107
	* termcap.c: Don't assume sizes fit in int and never overflow.
	(struct termcap_buffer, tgetent): Use ptrdiff_t, not int, for sizes.
	(gobble_line): Check for size-calculation overflow.

1108
	* minibuf.c (Fread_buffer):
1109
	* lread.c (intern, intern_c_string):
1110 1111 1112
	* image.c (xpm_scan) [HAVE_NS && !HAVE_XPM]:
	Don't assume string length fits in int.

1113
	* keyboard.c (parse_tool_bar_item):
1114 1115
	* gtkutil.c (style_changed_cb): Avoid need for strlen.

1116 1117 1118
	* font.c: Don't assume string length fits in int.
	(font_parse_xlfd, font_parse_fcname, font_unparse_fcname):
	Use ptrdiff_t, not int.
1119 1120 1121
	(font_intern_prop): Don't assume string length fits in int.
	Don't assume integer property fits in fixnum.
	* font.h (font_intern_prop): 2nd arg is now ptrdiff_t, not int.
1122

1123
	* filelock.c: Fix some buffer overrun and integer overflow issues.
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1124
	(get_boot_time): Don't assume gzip command string fits in 100 bytes.
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	Reformulate so as not to need the command string.
	Invoke gzip -cd rather than gunzip, as it's more portable.
	(lock_info_type, lock_file_1, lock_file):
	Don't assume pid_t and time_t fit in unsigned long.
	(LOCK_PID_MAX): Remove; we now use more-reliable bounds.
	(current_lock_owner): Prefer signed type for sizes.
	Use memcpy, not strncpy, where memcpy is what is really wanted.
	Don't assume (via atoi) that time_t and pid_t fit in int.
	Check for time_t and/or pid_t out of range, e.g., via a network share.
	Don't alloca where an auto var works fine.

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	* fileio.c: Fix some integer overflow issues.
	(file_name_as_directory, Fexpand_file_name, Fsubstitute_in_file_name):
	Don't assume string length fits in int.
	(directory_file_name): Don't assume string length fits in long.
	(make_temp_name): Don't assume pid fits in int, or that its print
	length is less than 20.

1143 1144
	* data.c (Fsubr_name): Rewrite to avoid a strlen call.

1145 1146
	* coding.c (make_subsidiaries): Don't assume string length fits in int.

1147 1148
	* callproc.c (child_setup): Rewrite to avoid two strlen calls.

1149 1150 1151
	* process.c (Fformat_network_address): Use EMACS_INT, not EMACS_UINT.
	We prefer signed integers, even for size calculations.

1152 1153 1154 1155
	* emacs.c: Don't assume string length fits in 'int'.
	(DEFINE_DUMMY_FUNCTION, sort_args): Use ptrdiff_t, not int.
	(main): Don't invoke strlen when not needed.

1156 1157 1158
	* dbusbind.c (XD_ERROR): Don't arbitrarily truncate string.
	(XD_DEBUG_MESSAGE): Don't waste a byte.

1159 1160
	* callproc.c (getenv_internal_1, getenv_internal)
	(Fgetenv_internal):
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	* buffer.c (init_buffer): Don't assume string length fits in 'int'.

1163 1164 1165 1166
	* lread.c (invalid_syntax): Omit length argument.
	All uses changed.  This doesn't fix a bug, but it simplifies the
	code away from its former Hollerith-constant appearance, and it's
	one less 'int' to worry about when looking at integer-overflow issues.
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1167
	(string_to_number): Simplify 2011-04-26 change by invoking xsignal1.
1168

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	* lisp.h (DEFUN): Remove bogus use of sizeof (struct Lisp_Subr).
	This didn't break anything, but it didn't help either.
	It's confusing to put a bogus integer in a place where the actual
	value does not matter.
1173
	(LIST_END_P): Remove unused macro and its bogus comment.
1174
	(make_fixnum_or_float): Remove unnecessary cast to EMACS_INT.
1175

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	* lisp.h (union Lisp_Object.i): EMACS_INT, not EMACS_UINT.
	This is for consistency with the ordinary, non-USE_LISP_UNION_TYPE,
	implementation.
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	(struct Lisp_Bool_Vector.size): EMACS_INT, not EMACS_UINT.
	We prefer signed types, and the value cannot exceed the EMACS_INT
	range anyway (because otherwise the length would not be representable).
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	(XSET) [USE_LISP_UNION_TYPE]: Use uintptr_t and intptr_t,
	not EMACS_UINT and EMACS_INT, when converting pointer to integer.
	This avoids a GCC warning when WIDE_EMACS_INT.
1185

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	* indent.c (sane_tab_width): New function.
	(current_column, scan_for_column, Findent_to, position_indentation)
	(compute_motion): Use it.  This is just for clarity.
1189
	(Fcompute_motion): Don't assume hscroll and tab offset fit in int.
1190

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1191
	* image.c (xbm_image_p): Don't assume stated width, height fit in int.
1192

1193 1194 1195 1196
	* lisp.h (lint_assume): New macro.
	* composite.c (composition_gstring_put_cache):
	* ftfont.c (ftfont_shape_by_flt): Use it to pacify GCC 4.6.0.

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	* editfns.c, insdel.c:
	Omit unnecessary forward decls, to simplify future changes.
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	* ftfont.c (ftfont_shape_by_flt): Use signed integers for lengths.

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	* font.c (Ffont_shape_gstring): Don't assume glyph len fits in 'int'.

1204
	* fns.c (Ffillarray): Don't assume bool vector size fits in 'int'.
1205
	Use much-faster test for byte-length change.
1206
	Don't assume string byte-length fits in 'int'.
1207
	Check that character arg fits in 'int'.
1208
	(mapcar1): Declare byte as byte, for clarity.
1209

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	* alloc.c (Fmake_bool_vector): Avoid unnecessary multiplication.

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	* fns.c (concat): Catch string overflow earlier.
	Do not rely on integer wraparound.

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	* dispextern.h (struct it.overlay_strings_charpos)
	(struct it.selective): Now EMACS_INT, not int.
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	* xdisp.c (forward_to_next_line_start)
	(back_to_previous_visible_line_start)
	(reseat_at_next_visible_line_start, next_element_from_buffer):
	Don't arbitrarily truncate the value of 'selective' to int.

1222 1223
	* xdisp.c (init_iterator): Use XINT, not XFASTINT; it might be < 0.

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	* composite.c: Don't truncate sizes to 'int'.
	(composition_gstring_p, composition_reseat_it)
	(composition_adjust_point): Use EMACS_INT, not int.
1227 1228
	(get_composition_id, composition_gstring_put_cache): Use EMACS_INT,
	not EMACS_UINT, for indexes.
1229

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	* category.h (CATEGORY_SET_P): Remove unnecessary cast to EMACS_INT.

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	* buffer.c: Include <verify.h>.
	(struct sortvec.priority, struct sortstr.priority):
1234
	Now EMACS_INT, not int.
1235
	(compare_overlays, cmp_for_strings): Avoid subtraction overflow.
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	(struct sortstr.size, record_overlay_string)
	(struct sortstrlist.size, struct sortlist.used):
	Don't truncate size to int.
	(record_overlay_string): Check for size-calculation overflow.
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1240
	(init_buffer_once): Check at compile-time, not run-time.
1241

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2011-06-22  Jim Meyering  <meyering@redhat.com>

1244
	Don't leak an XBM-image-sized buffer
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	* image.c (xbm_load): Free the image buffer after using it.

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2011-06-21  Paul Eggert  <eggert@cs.ucla.edu>

	Port to Sun C.
	* composite.c (find_automatic_composition): Omit needless 'return 0;'
	that Sun C diagnosed.
	* fns.c (secure_hash): Fix pointer signedness issue.
	* intervals.c (static_offset_intervals): New function.
	(offset_intervals): Use it.

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2011-06-21  Leo Liu  <sdl.web@gmail.com>

	* deps.mk (fns.o):
	* makefile.w32-in ($(BLD)/fns.$(O)): Include sha256.h and
	sha512.h.

	* fns.c (secure_hash): Rename from crypto_hash_function and change
	the first arg to accept symbols.
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1264
	(Fsecure_hash): New primitive.
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	(syms_of_fns): New symbols.

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2011-06-20  Deniz Dogan  <deniz@dogan.se>

	* process.c (Fset_process_buffer): Clarify return value in
	docstring.

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Chong Yidong committed
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2011-06-18  Chong Yidong  <cyd@stupidchicken.com>

	* dispnew.c (add_window_display_history): Use BVAR.

	* xdisp.c (debug_method_add): Use BVAR.
	(check_window_end, dump_glyph_matrix, dump_glyph)
	(dump_glyph_row, dump_glyph_string): Convert arglist to ANSI C.

	* xfaces.c (check_lface_attrs, check_lface, dump_realized_face):
	Likewise.

	* xfns.c (Fx_create_frame, x_create_tip_frame): Delay image cache
	check till after the cache is created in init_frame_faces.

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2011-06-17  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fns.c (Fsafe_length): Yet another int/Lisp_Object mixup.

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2011-06-16  Paul Eggert  <eggert@cs.ucla.edu>

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	* lisp.h: Include <limits.h>, for INT_MAX, LONG_MAX, LLONG_MAX.
	Without this, prin1 mishandles Lisp_Misc_Save_Value printing on
	hosts with pre-C99 libraries, because pD is wrongly defined to "t".

1296
	Improve buffer-overflow checking (Bug#8873).
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	* fileio.c (Finsert_file_contents):
	* insdel.c (insert_from_buffer_1, replace_range, replace_range_2):
	Remove the old (too-loose) buffer overflow checks.
	They weren't needed, since make_gap checks for buffer overflow.
	* insdel.c (make_gap_larger): Catch buffer overflows that were missed.
	The old code merely checked for Emacs fixnum overflow, and relied
	on undefined (wraparound) behavior.  The new code avoids undefined
	behavior, and also checks for ptrdiff_t and/or size_t overflow.

1306
	* editfns.c (Finsert_char): Don't dump core with very negative counts.
1307 1308
	Tune.  Don't use wider integers than needed.  Don't use alloca.
	Use a bigger 'string' buffer.  Rewrite to avoid 'n > 0' test.
1309

1310 1311
	* insdel.c (replace_range): Fix buf overflow when insbytes < outgoing.

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	* insdel.c, lisp.h (buffer_overflow): New function.
	(insert_from_buffer_1, replace_range, replace_range_2):
	* insdel.c (make_gap_larger):
	* editfns.c (Finsert_char):
	* fileio.c (Finsert_file_contents): Use it, to normalize wording.

1318 1319
	* buffer.h (BUF_BYTES_MAX): Cast to ptrdiff_t so that it's signed.

1320 1321
2011-06-15  Paul Eggert  <eggert@cs.ucla.edu>

1322
	Integer overflow and signedness fixes (Bug#8873).
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1323

1324 1325 1326
	* ccl.c (ASCENDING_ORDER): New macro, to work around GCC bug 43772.
	(GET_CCL_RANGE, IN_INT_RANGE): Use it.

1327 1328 1329 1330 1331
	* fileio.c: Don't assume EMACS_INT fits in off_t.
	(emacs_lseek): New static function.
	(Finsert_file_contents, Fwrite_region): Use it.
	Use SEEK_SET, SEEK_CUR, SEEK_END as appropriate.

1332 1333
	* fns.c (Fload_average): Don't assume 100 * load average fits in int.

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	* fns.c: Don't overflow int when computing a list length.
	* fns.c (QUIT_COUNT_HEURISTIC): New constant.
	(Flength, Fsafe_length): Use EMACS_INT, not int, to avoid unwanted
	truncation on 64-bit hosts.  Check for QUIT every
	QUIT_COUNT_HEURISTIC entries rather than every other entry; that's
	faster and is responsive enough.
	(Flength): Report an error instead of overflowing an integer.
	(Fsafe_length): Return a float if the value is not representable
	as a fixnum.  This shouldn't happen except in contrived situations.
1343
	(Fnthcdr, Fsort): Don't assume list length fits in int.
1344
	(Fcopy_sequence): Don't assume vector length fits in int.
1345

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	* alloc.c: Check that resized vectors' lengths fit in fixnums.
	(header_size, word_size): New constants.
	(allocate_vectorlike): Don't check size overflow here.
	(allocate_vector): Check it here instead, since this is the only
	caller of allocate_vectorlike that could cause overflow.
	Check that the new vector's length is representable as a fixnum.

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	* fns.c (next_almost_prime): Don't return a multiple of 3 or 5.
	The previous code was bogus.  For example, next_almost_prime (32)
	returned 39, which is undesirable as it is a multiple of 3; and
	next_almost_prime (24) returned 25, which is a multiple of 5 so
	why was the code bothering to check for multiples of 7?

1359 1360
	* bytecode.c (exec_byte_code): Use ptrdiff_t, not int, for vector length.

1361 1362
	* eval.c, doprnt.c (SIZE_MAX): Remove; inttypes.h defines this now.

1363 1364 1365 1366
	Variadic C functions now count arguments with ptrdiff_t.
	This partly undoes my 2011-03-30 change, which replaced int with size_t.
	Back then I didn't know that the Emacs coding style prefers signed int.
	Also, in the meantime I found a few more instances where arguments
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	were being counted with int, which may truncate counts on 64-bit
	machines, or EMACS_INT, which may be unnecessarily wide.
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	* lisp.h (struct Lisp_Subr.function.aMANY)
	(DEFUN_ARGS_MANY, internal_condition_case_n, safe_call):
	Arg counts are now ptrdiff_t, not size_t.
	All variadic functions and their callers changed accordingly.
	(struct gcpro.nvars): Now size_t, not size_t.  All uses changed.
	* bytecode.c (exec_byte_code): Check maxdepth for overflow,
	to avoid potential buffer overrun.  Don't assume arg counts fit in 'int'.
	* callint.c (Fcall_interactively): Check arg count for overflow,
	to avoid potential buffer overrun.  Use signed char, not 'int',
	for 'varies' array, so that we needn't bother to check its size
	calculation for overflow.
	* editfns.c (Fformat): Use ptrdiff_t, not EMACS_INT, to count args.
	* eval.c (apply_lambda):
	* fns.c (Fmapconcat): Use XFASTINT, not XINT, to get args length.
	(struct textprop_rec.argnum): Now ptrdiff_t, not int.  All uses changed.
	(mapconcat): Use ptrdiff_t, not int and EMACS_INT, to count args.

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	* callint.c (Fcall_interactively): Don't use index var as event count.

1388 1389 1390
	* vm-limit.c (check_memory_limits): Fix incorrect extern function decls.
	* mem-limits.h (SIZE): Remove; no longer used.

1391
	* xterm.c (x_alloc_nearest_color_1): Prefer int to long when int works.
1392

Paul Eggert's avatar
Paul Eggert committed
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	Remove unnecessary casts.
	* xterm.c (x_term_init):
	* xfns.c (x_set_border_pixel):
	* widget.c (create_frame_gcs): Remove casts to unsigned long etc.
	These aren't needed now that we assume ANSI C.

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	* sound.c (Fplay_sound_internal): Remove cast to unsigned long.
	It's more likely to cause problems (due to unsigned overflow)
	than to cure them.

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	* dired.c (Ffile_attributes): Don't use 32-bit hack on 64-bit hosts.

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	* unexelf.c (unexec): Don't assume BSS addr fits in unsigned.