Bind language-change in special-event-map.

 src/keyboard.c (keys_of_keyboard): Bind language-change to 'ignore'
 in special-event-map.  See the discussion at
 http://lists.gnu.org/archive/html/emacs-devel/2012-06/msg00417.html
 for the reasons.

Fix data type casting when setting up menus on Windows.

 src/w32menu.c (add_menu_item): Cast to UINT_PTR when assigning
 info.dwItemData.  Fixes crashes on 64-bit Windows.  Suggested by
 Fabrice Popineau <fabrice.popineau@supelec.fr>.

* nsterm.m (accessibilityAttributeValue): Surround with NS_IMPL_COCOA.

* nsterm.m (conversationIdentifier): Return value is NSInteger.

erc-notifications: new file

lisp/gnus/message.el: Replace deprecated rmail vars

* nsterm.m (accessibilityAttributeValue): New function..

Fixes: debbugs:11134

Disallow windows on dead frames in decode_any_window.

* window.c (decode_any_window): Signal an error if the window is
on a dead frame.

Fixes: debbugs:11984

Merge from emacs-24 branch; up to 2012-05-01T10:20:43Z!rgm@gnu.org

Use match-string-no-properties instead in c-defun-name

for consistency.

* lisp/progmodes/cc-cmds.el (c-defun-name): Handle objc selectors properly.

Fixes: debbugs:7879

* ses.el (ses-rename-cell): Set new name also in reference list of cells of which the renamed cell depends.

Backport: Recognize Objective-C methods also in c-defun-name

Fixes: debbugs:7879

Add indirection counting to speed up Fkill_buffer.
* buffer.h (struct buffer): New member.
* buffer.c (Fget_buffer_create): Set indirection counter to 0.
(Fmake_indirect_buffer): Set indirection counter to -1, increment
base buffer indirection counter.
(compact_buffer): If ENABLE_CHECKING, verify indirection counters.
(Fkill_buffer): Adjust indirection counters as needed, don't walk
through buffer list if indirection counter is 0.

Extend the value returned by Fgarbage_collect with heap statistics.
* alloc.c (Qheap): New symbol.
(syms_of_alloc): DEFSYM it.
(Fgarbage_collect): If DOUG_LEA_MALLOC, add mallinfo data.
(Fmemory_free): Remove.
(syms_of_alloc): Don't defsubr it.
* buffer.c (Fcompact_buffer): Remove.
(syms_of_buffer): Don't defsubr it.

Make maybe_gc inline.
Verify that inlining is always possible (GCC 4.7.1, -O3 -Winline).
* lisp.h (consing_since_gc, gc_relative_threshold)
(memory_full_cons_threshold): Revert declaration.
(maybe_gc): Remove prototype, define as inline.
* alloc.c: Remove old commented-out code.
(consing_since_gc, gc_relative_threshold)
(memory_full_cons_threshold): Revert to global.
(maybe_gc): Remove.

* progmodes/cc-langs.el (c-symbol-start): Include char _.

Fixes: debbugs:11986

* lisp/term/x-win.el (x-menu-bar-open): Use `frame-parameter'
to check whether menu-bar is shown or not.  If not shown,
show the menu-bar as a popup menu instead of using tmm.
* lisp/mouse.el (popup-menu): Accept `point' as `position' argument.

* lisp/progmodes/ruby-mode.el (ruby-parse-partial): No error when end
up inside string symbol literal.
* test/automated/ruby-mode-tests.el: New file with one test.

Fixes: debbugs:11923

Fix display of Hebrew tutorial title on splash screen.

 lisp/startup.el (fancy-startup-text): Read the whole tutorial, not
 just its first 256 bytes.  Prevents gibberish in display of the
 tutorial title.
 etc/tutorials/TUTORIAL.he: Make the first sentence display correctly
 in a left-to-right paragraph, such as what is shown on the fancy
 splash screen, by using directional control characters.

Simple wrapper for make_unibyte_string, adjust font_open_by_name.
* src/lisp.h (build_unibyte_string): New function.
* src/dosfns.c, src/fileio.c, src/fns.c, src/ftfont.c, src/process.c:
* src/sysdep.c, src/w32fns.c, src/xfns.c: Use it.
* src/font.c (font_open_by_name): Change 2nd and 3rd args to the only arg
of type Lisp_Object to avoid redundant calls to make_unibyte_string.
Adjust users accordingly.
* src/font.h (font_open_by_name): Adjust prototype.
* admin/coccinelle/unibyte_string.cocci: Semantic patch to convert from
make_unibyte_string to build_unibyte_string where appropriate.

Cleanup calls to Fgarbage_collect.
* lisp.h (maybe_gc): New prototype.
(consing_since_gc, gc_relative_threshold, memory_full_cons_threshold):
Remove declarations.
* alloc.c (maybe_gc): New function.
(consing_since_gc, gc_relative_threshold, memory_full_cons_threshold):
Make them static.
* bytecode.c (MAYBE_GC): Use maybe_gc.
* eval.c (eval_sub, Ffuncall): Likewise.
* keyboard.c (read_char): Likewise.  Adjust call to maybe_gc
to avoid dependency from auto-save feature.

Drop idle buffer compaction due to an absence of the
proved efficiency.
* lisp/compact.el: Remove.

* buffer.h (FOR_EACH_BUFFER): Rename from 'for_each_buffer'.

(FOR_EACH_PER_BUFFER_OBJECT_AT): Rename from
'for_each_per_buffer_object_at'.
All uses changed.  It's better to use upper-case for macros that
cannot be implemented as functions, to give the reader a clue
that they're special.

* lisp/vc/vc-dispatcher.el (vc-compilation-mode): Add, based on
vc-bzr-pull & vc-bzr-merge-branch.
* lisp/vc/vc-bzr.el (vc-bzr-pull, vc-bzr-merge-branch): Use it.
(vc-bzr-error-regexp-alist): Rename from vc-bzr-error-regex-alist
for consistency with compilation-error-regexp-alist.
* lisp/vc/vc-git.el (vc-git-error-regexp-alist): Add.
(vc-git-pull, vc-git-merge-branch): Call vc-compilation-mode.
* lisp/vc/vc-hg.el (vc-hg-error-regexp-alist): Add.
(vc-hg-pull, vc-hg-merge-branch): Call vc-compilation-mode.

* lisp/emacs-lisp/chart.el: Use lexical-binding.
(chart-emacs-storage): Don't hardcode the list of entries.
* src/alloc.c (Fgarbage_collect): Tweak docstring.

Tweak the value returned from Fgarbage_collect again.
* src/alloc.c (Fgarbage_collect): New return value, as confirmed in
http://lists.gnu.org/archive/html/emacs-devel/2012-07/msg00418.html.
Adjust documentation.
(total_vector_bytes): Rename to total_vector_slots, adjust
accounting.
(total_free_vector_bytes): Rename to total_free_vector_slots,
adjust accounting.
(Qstring_bytes, Qvector_slots): New symbols.
(syms_of_alloc): DEFSYM them.
* lisp/emacs-lisp/chart.el (chart-emacs-storage): Adjust again.

Compact buffers when idle.
* lisp/compact.el: New file.
* src/buffer.c (compact_buffer, Fcompact_buffer): New function.
(syms_of_buffer): Register Fcompact_buffer.
* src/alloc.c (Fgarbage_collect): Use compact_buffer.
* src/buffer.h (compact_buffer): New prototype.
(struct buffer_text): New member.

* lisp/subr.el (eventp): Presume that if it looks vaguely like an event,
it's an event.

Fixes: debbugs:10190

New macro to iterate over all buffers, miscellaneous cleanups.
* lisp.h (all_buffers): Remove declaration.
* buffer.h (all_buffers): Add declaration, with comment.
(for_each_buffer): New macro.
* alloc.c (Fgarbage_collect, mark_object): Use it.
* buffer.c (Fkill_buffer, Fbuffer_swap_text, Fset_buffer_multibyte)
(init_buffer): Likewise.
* data.c (Fset_default): Likewise.
* coding.c (code_conversion_restore): Remove redundant check
for dead buffer.
* buffer.c (Fkill_buffer): Likewise.  Remove obsolete comment.

Avoid two crashes involving windows on dead frames.

* window.c (Fwindow_absolute_pixel_edges)
(Fdelete_other_windows_internal): Signal an error if the window is
on a dead frame.

Fixes: debbugs:11984

* emacs.texi: Update ISBN.

Enhancements to ppss related code (thanks Stefan).
* progmodes/python.el (python-indent-context)
(python-indent-calculate-indentation, python-indent-dedent-line)
(python-indent-electric-colon, python-nav-forward-block)
(python-mode-abbrev-table)
(python-info-assignment-continuation-line-p): Simplified checks
for ppss context.
(python-info-continuation-line-p): Cleanup.
(python-info-ppss-context): Do not catch 'quote.
(python-info-ppss-context-type)
(python-info-ppss-comment-or-string-p): Simplify.

Fix bug that created negative-length intervals.

* intervals.c (merge_interval_right, merge_interval_left):
Do not zero out this interval if it is absorbed by its children,
as this interval's total length doesn't change in that case.  See
<http://lists.gnu.org/archive/html/emacs-devel/2012-07/msg00403.html>.

progmodes/python.el: Set file local vars at end of file and clean tabs.

* progmodes/python.el: Enhancements to eldoc support.
(python-info-current-symbol): New function.
(python-eldoc-at-point): Use python-info-current-symbol.
(python-info-current-defun): Fix cornercase on first defun scan.
(python-eldoc--get-doc-at-point): Use python-info-current-symbol
and signal error when no inferior python process is available.

* alloc.c (Fmake_bool_vector): Fix off-by-8 bug

when invoking (make-bool-vector N t) and N is a positive
multiple of 8 -- the last 8 bits were mistakenly cleared.

Remove some struct layout assumptions in bool vectors.

* alloc.c (bool_header_size): New constant.
(header_size, word_size): Move earlier, as they're now used earlier.
Use 'word_size' in a few more places, where it's appropriate.
(Fmake_bool_vector, sweep_vectors): Don't assume that there is no
padding before the data member of a bool vector.
(sweep_vectors): Use PSEUDOVECTOR_TYPEP, in an eassert, rather
than doing the check by hand with an abort ().

* src/eval.c (Fdefvar): Don't check constants since we only set the var if
it's not yet defined anyway.

Fixes: debbugs:11904

* vc/vc-git.el (vc-git-state): Don't call `vc-git-registered',
assume it's always t.
(vc-git-registered): Remove caching, the function is only called
once.
(vc-git-branches): Use `vc-git--call' instead of `call-process'.

Fix last commit.

* subr.el (last-input-char, last-command-char): Remove.

Fixes: debbugs:9195

* simple.el (count-words): Report on narrowing.

Fixes: debbugs:9959

* lisp/bindings.el: Bind M-= to count-words.

* faces.el (face-spec-reset-face): Handle reverse video.

Fixes: debbugs:4238

* lisp/progmodes/sh-script.el (sh-imenu-generic-expression):
Capture a function with `function' keyword and without parentheses
like "function FOO".

Fixes: debbugs:11856

* subr.el (keyboard-translate): Doc fix.

Fixes: debbugs:7261

* src/lisp.h (last_undo_boundary): Declare new var.
* src/keyboard.c (command_loop_1): Set it.
* src/cmds.c (Fself_insert_command): Use it to only remove boundaries that
were auto-added by the command loop.

Fixes: debbugs:11774

* lisp/userlock.el, emacs-lisp/map-ynp.el: Declare part of `emacs' package.
* lisp/progmodes/bug-reference.el, lisp/misearch.el: Provide themselves.

Fixes: debbugs:11915

gnus/{sieve-mode,sieve}.el: Close buffers by default

* w32font.c (Qsymbol): Remove local definition.
(syms_of_w32font): Don't DEFSYM it.

* window.el (split-window-sensibly): Make WINDOW argument
optional.

Fix sweep_vectors to handle large bool vectors correctly.
* alloc.c (sweep_vectors): Account total_vector_bytes for
bool vectors larger than VBLOCK_BYTES_MAX.

* lisp/progmodes/cperl-mode.el (cperl-unwind-to-safe): Don't inf-loop at end
of narrowed buffer.

Fixes: debbugs:11966

Fix usage of C-x 8 key translations in Isearch.

* lisp/isearch.el (isearch-mode-map): Handle C-x 8 key translations,
and make C-x 8 RET exit isearch.

* lisp/international/iso-transl.el: Move isearch-mode-map key
definitions to isearch.el.

Fixes: debbugs:11439

Revert bogus change in 2011-07-28T21:49:16Z!eggert@cs.ucla.edu.

* src/frame.c (x_set_frame_parameters): Revert bogus change introduced
in 2012-05-25 commit by Paul Eggert.

Fixes: debbugs:11738

* lisp/emacs-lisp/eieio.el: Adapt further to gv.el.
(eieio-defclass): Use gv-define-setter when possible.

Fixes: debbugs:11970

Return more descriptive data from Fgarbage_collect.
Suggested by Stefan Monnier in
http://lists.gnu.org/archive/html/emacs-devel/2012-07/msg00369.html.
* src/alloc.c (bounded_number): New function.
(total_buffers, total_vectors): New variable.
(total_string_size): Rename to total_string_bytes, adjust users.
(total_vector_size): Rename to total_vector_bytes, adjust users.
(sweep_vectors): Account total_vectors and total_vector_bytes.
(Fgarbage_collect): New return value.  Adjust documentation.
(gc_sweep): Account total_buffers.
(Fmemory_free, Fmemory_use_counts): Use bounded_number.
(VECTOR_SIZE): Remove.
* src/data.c (Qfloat, Qvector, Qsymbol, Qstring, Qcons): Make global.
(Qinterval, Qmisc): New symbols.
(syms_of_data): Initialize them.
* src/lisp.h (Qinterval, Qsymbol, Qstring, Qmisc, Qvector, Qfloat)
(Qcons, Qbuffer): New declarations.
* lisp/emacs-lisp/chart.el (chart-emacs-storage): Change to
reflect new format of data returned by Fgarbage_collect.

New utility functions + python-info-ppss-context fix.
* progmodes/python.el (python-info-beginning-of-block-statement-p)
(python-info-ppss-comment-or-string-p): New functions.
(python-info-ppss-context): Small fix for string check.

Fixes: debbugs:11910

* lisp/dired-aux.el (dired-do-async-shell-command): Doc fix.
(dired-do-async-shell-command): Don't add `*' at the end of the
command (Bug#11815).
(dired-do-shell-command): Doc fix.
(dired-shell-stuff-it): Strip the trailing "&" and ";" if any.
Join the individual commands using either "&" or ";" as the
separator depending on the values of these trailing characters.
At the end re-add the trailing "&".  (Bug#10598)

* lisp/simple.el (async-shell-command): Sync the interactive spec with
`shell-command'.  Doc fix.
(shell-command): Doc fix.

* lisp/descr-text.el (describe-char): Fix format args.

Fixes: debbugs:10129

Final renames and doc fixes for movement commands.
* progmodes/python.el (python-nav-beginning-of-statement): Rename
from python-nav-statement-start.
(python-nav-end-of-statement): Rename from
python-nav-statement-end.
(python-nav-beginning-of-block): Rename from
python-nav-block-start.
(python-nav-end-of-block): Rename from python-nav-block-end.

Fixes: debbugs:11899

* progmodes/python.el (python-shell-send-string-no-output): Allow
accept-process-output to quit, keeping shell process ready for
future interactions.

Fixes: debbugs:11868

* alloc.c (Fmemory_free): Account for memory-free's own storage.

Round up, not down.  Improve doc.

* lisp/emacs-lisp/cl-macs.el (cl-progv): Use a properly prefixed var name.

* lisp/emacs-lisp/elint.el (elint-find-args-in-code):
Use help-function-arglist, so as to handle lexical byte-code.

Restore old code in allocate_string_data to avoid Faset breakage.
Reported by Julien Danjou <julien@danjou.info> in
http://lists.gnu.org/archive/html/emacs-devel/2012-07/msg00371.html.
* alloc.c (allocate_string_data): Restore old code with minor
adjustments, fix comment to explain this subtle issue.

Merge from emacs-24

* lisp/progmodes/cc-engine.el (c-forward-sws, c-backward-sws):
Avoid spuriously marking the buffer as modified because of c-is-sws.

Auto-commit of generated files.

Cleanup and convert miscellaneous checks to eassert.
* alloc.c (mark_interval): Fix comment, partially rephrase
old comment from intervals.h (see below).
* intervals.c (find_interval, adjust_intervals_for_insertion)
(delete_interval, adjust_intervals_for_deletion)
(graft_intervals_into_buffer, temp_set_point_both, copy_intervals):
Convert to eassert.
(adjust_intervals_for_insertion, make_new_interval):
Remove obsolete and unused code.
* intervals.h (struct interval): Remove obsolete comment.
* textprotp.c (erase_properties): Remove unused code.
(Fadd_text_properties, set_text_properties_1, Fremove_text_properties)
(Fremove_list_of_text_properties): Convert to eassert.

* lisp/progmodes/sh-script.el (sh-syntax-propertize-function): Mark "${#VAR"
as not-a-comment.
* test/indent/shell.sh: Add test case for ${#VAR}.

Fixes: debbugs:11946

Misc minor changes.
* lisp/xt-mouse.el (xterm-mouse-translate-1, xterm-mouse-event-read):
Use read-event since we don't really want to read chars but bytes.
* lisp/emacs-lisp/macroexp.el (macroexp-let2): Use more informative names
for uninterned vars.

* lisp/textmodes/tex-mode.el (tex-font-lock-keywords-1): Highlight not only
$$..$$ but also $..$ using regexps.
Use tex-verbatim for \url and \path.
(tex-font-lock-keywords): Define as defconst like the others.
(tex-common-initialization): Don't use font-lock-syntax-table any more.
* test/indent/latex-mode.tex: New file.

Fixes: debbugs:11953

Document insert-char changes.

* doc/emacs/basic.texi (Inserting Text): Replace ucs-insert with
insert-char.  Provide more details of input.

* doc/lispref/mule.texi (International Chars, Input Methods): Likewise.

* doc/lispref/text.texi (Insertion): Document insert-char changes.

* src/editfns.c (Finsert_char): Doc fix.

Fix toolkit configuration report.
* configure.ac (USE_X_TOOLKIT): Report toolkit as GTK3 if
--with-x-toolkit=gtk3 is used.

Fix previous change to make Fmemory_free always accurate.
* alloc.c (make_interval): Update total_free_intervals.
(make_float): Likewise for total_free_floats.
(free_cons, Fcons): Likewise for total_free_conses.
(SETUP_ON_FREE_LIST, allocate_vector_from_block):
Likewise for total_free_vector_bytes.
(Fmake_symbol): Likewise for total_free_symbols.
(bytes_free): Remove.

Simple free memory accounting feature.
* alloc.c (bytes_free, total_free_vector_bytes): New variable.
(sweep_vectors): Accumulate size of free vectors.
(Fgarbage_collect): Setup bytes_free.
(Fmemory_free): New function.
(syms_of_alloc): Register it.

Cleanup overlays checking.
* buffer.h (OVERLAY_VALID): Remove as useless synonym of OVERLAYP.
* buffer.c (overlay_touches_p, recenter_overlay_lists): Change to
eassert and OVERLAYP.
(sort_overlays): Change to use OVERLAYP.

Make insert-char interactive, and ucs-insert an obsolete alias for it.

* lisp/international/mule-cmds.el (ucs-insert): Make it an obsolete
alias for insert-char.

* editfns.c (Finsert_char): Make it interactive, and make the second
arg optional.  Copy interactive spec and docstring from ucs-insert.

* floatfns.c (Fabs): Do not wrap fabs inside IN_FLOAT.

Unlike the other wrapped functions, fabs has an unspecified
effect on errno.

Fixes: debbugs:11913

Fix regression with pthread_sigmask on FreeBSD.

* configure.ac: Configure gnulib at the end, not before running
pkg-config.  This restores the behavior before 2012-06-22, when
higher-resolution time stamps were added, and fixes a bug whereby
LIB_PTHREAD was not used and gnulib's part of 'configure'
therefore incorrectly assumed that pthread_sigmask wasn't working.
Fix the problem with -lrt and clock_gettime a different way.
This should complete the fix for Bug#11884.
(pre_PKG_CONFIG_CFLAGS, pre_PKG_CONFIG_LIBS): New shell vars.

* progmodes/python.el: Simplified imenu implementation.
(python-nav-jump-to-defun): Remove command.
(python-mode-map): Use `imenu' instead.
(python-nav-list-defun-positions-cache)
(python-imenu-include-defun-type, python-imenu-make-tree)
(python-imenu-subtree-root-label, python-imenu-index-alist):
Remove vars.
(python-nav-list-defun-positions, python-nav-read-defun)
(python-imenu-tree-assoc, python-imenu-make-element-tree)
(python-imenu-make-tree, python-imenu-create-index): Remove
functions.
(python-mode): Update to interact with imenu by setting
`imenu-extract-index-name-function' only.

* progmodes/python.el: Enhancements to navigation commands.
(python-nav-backward-sentence)
(python-nav-forward-sentence): Remove.
(python-nav-backward-statement, python-nav-forward-statement)
(python-nav-statement-start, python-nav-statement-end)
(python-nav-backward-block, python-nav-forward-block)
(python-nav-block-start, python-nav-block-end)
(python-nav-forward-sexp-function)
(python-info-current-line-comment-p)
(python-info-current-line-empty-p): New functions.
(python-indent-context): Use `python-nav-statement-start'.

* eshell/em-ls.el (eshell/ls): Use `apply'.

* eshell/em-unix.el (eshell/su, eshell/sudo): Apply Tramp's ad-hoc
multi-hops, instead of Tramp internals.

* nsterm.m (keyDown): Interpret flags without left/right bits
as the left key.

Fixes: debbugs:11670

* vc/ediff.el (ediff-directories): Add trailing space to prompts.

* vc/ediff-diff.el (ediff-same-file-contents): Handle the case,
when F1 and F2 are located on different hosts.

Remove empty and useless init functions.
* lisp.h (init_character_once, init_fns, init_image)
(init_filelock, init_sound): Remove prototype.
* character.c (init_character_once): Remove.
* filelock.c (init_filelock): Likewise.
* fns.c (init_fns): Likewise.
* image.c (init_image): Likewise.
* sound.c (init_sound): Likewise.
* emacs.c (main): Adjust accordingly.

* gtkutil.h: Tiny cleanups.
(use_old_gtk_file_dialog): Remove useless declaration.
(xg_uses_old_file_dialog): Add suggested const attribute.

Merge from gnulib.

2012-07-15 pthread_sigmask: fix bug on FreeBSD 9 (Bug#11884)
2012-07-11 gettext: do not assume '#define ... defined ...' behavior

Fix bug #11943 with slow redisplay in large paragraphs full of weak characters.

 src/bidi.c (MAX_STRONG_CHAR_SEARCH): New macro.
 (bidi_paragraph_init): Use it to limit search forward for a strong
 directional character in abnormally large paragraphs full of
 neutral or weak characters.

* src/gtkutil.c (xg_create_tool_bar): Apply "primary-toolbar" style to
the toolbar.
(xg_make_tool_item): Give the widget event box a transparent background.

Fixes: debbugs:9451

Cleanup basic allocation variables and functions.
* alloc.c (ignore_warnings, init_intervals, init_float)
(init_cons, init_symbol, init_marker): Remove.
(interval_block_index): Initialize to INTERVAL_BLOCK_SIZE.
(float_block_index): Initialize to FLOAT_BLOCK_SIZE.
(cons_block_index): Initialize to CONS_BLOCK_SIZE.
(symbol_block_size): Initialize to SYMBOL_BLOCK_SIZE.
(marker_block_index): Initialize to MARKER_BLOCK_SIZE.
(staticidx, init_alloc_once, init_strings, free_ablock):
Remove redundant initialization.
* fns.c (init_weak_hash_tables): Remove.
* lisp.h (init_weak_hash_tables): Remove prototype.

Use zero_vector where appropriate.
* alloc.c (zero_vector): Define as Lisp_Object.  Adjust users
accordingly.
* lisp.h (zero_vector): New declaration.
* font.c (null_vector): Remove.
(syms_of_font): Remove initialization and staticpro.
(font_list_entities, font_find_for_lface): Change to use zero_vector.
* keymap.c (Faccessible_keymaps): Likewise.

Add news for exclamation-mark and flymake

* xt-mouse.el: Implement extended mouse coordinates.
(xterm-mouse-translate): Move code into xterm-mouse-translate-1.
(xterm-mouse-translate-extended, xterm-mouse-translate-1)
(xterm-mouse--read-event-sequence-1000)
(xterm-mouse--read-event-sequence-1006): New functions.  For old
mouse protocol, handle M-mouse-X events correctly.
(xterm-mouse-event): New arg specifying mouse protocol.
(turn-on-xterm-mouse-tracking-on-terminal)
(turn-off-xterm-mouse-tracking-on-terminal): Send DEC 1006
sequence to toggle extended coordinates on newer XTerms.  This
appears to be harmless on terminals which do not support this.

Fixes: debbugs:10642

Add fringe bitmap indicators for flymake

Fixes: debbugs:11253

Add a new bitmap exclamation-mark

Improve commentary in src/systime.h.

Don't use FILE_SYSTEM_CASE in MS-DOS, or anywhere else.

 src/s/msdos.h (FILE_SYSTEM_CASE): Don't define.
 src/fileio.c (FILE_SYSTEM_CASE): Don't define.
 (Ffile_name_directory, Fexpand_file_name): Don't use FILE_SYSTEM_CASE.
 Fixes problems on MS-DOS with Vtemp_file_name_pattern when
 call-process-region passes it through expand-file-name.
 src/dired.c (file_name_completion): Don't use FILE_SYSTEM_CASE.
 admin/CPP-DEFINES: Remove FILE_SYSTEM_CASE.