python.el: New non-global state dependent indentation engine.

Fixes: debbugs:18319
Fixes: debbugs:19595
* lisp/progmodes/python.el (python-syntax-comment-or-string-p): Accept
PPSS as argument.
(python-syntax-closing-paren-p): New function.
(python-indent-current-level)
(python-indent-levels): Mark obsolete.
(python-indent-context): Return more context cases.
(python-indent--calculate-indentation)
(python-indent--calculate-levels): New functions.
(python-indent-calculate-levels): Use them.
(python-indent-calculate-indentation, python-indent-line):
(python-indent-line-function): Rewritten to use new API.
(python-indent-dedent-line): Simplify logic.
(python-indent-dedent-line-backspace): Use `unless`.
(python-indent-toggle-levels): Delete function.

* test/automated/python-tests.el (python-indent-pep8-1)
(python-indent-pep8-2, python-indent-pep8-3)
(python-indent-after-comment-1, python-indent-after-comment-2)
(python-indent-inside-paren-1, python-indent-inside-paren-2)
(python-indent-after-block-1, python-indent-after-block-2)
(python-indent-after-backslash-1, python-indent-after-backslash-2)
(python-indent-after-backslash-3, python-indent-block-enders-1)
(python-indent-block-enders-2, python-indent-block-enders-3)
(python-indent-block-enders-4, python-indent-block-enders-5)
(python-indent-dedenters-1, python-indent-dedenters-2)
(python-indent-dedenters-3, python-indent-dedenters-4)
(python-indent-dedenters-5, python-indent-dedenters-6)
(python-indent-dedenters-7, python-indent-dedenters-8): Fix tests.
(python-indent-base-case, python-indent-after-block-3)
(python-indent-after-backslash-5, python-indent-inside-paren-3)
(python-indent-inside-paren-4, python-indent-inside-paren-5)
(python-indent-inside-paren-6, python-indent-inside-string-1)
(python-indent-inside-string-2, python-indent-inside-string-3)
(python-indent-dedent-line-backspace-1): New Tests.

Fix the description of --insert command-line option  (Bug#19694)

 doc/emacs/cmdargs.texi (Action Arguments): Clarify into which buffer
 '--insert' inserts.

Add a cross-reference in ELisp manual.  (Bug#19668)

 doc/lispref/searching.texi (Regexp Search): Add a cross-reference to "Syntax
 of Regexps".

Fixes: debbugs:19660
* nsterm.m (drawRect:): Add block/unblock_input.

* test/automated/regexp-tests.el: Require regexp-opt

Backport: Fix package tests when TMPDIR is in HOME

Fixes: debbugs:19657
* test/automated/package-test.el (with-package-test):
Bind `abbreviated-home-dir' to nil.
(package-test-describe-package, package-test-signed):
Expect abbreviated directory names.

(cherry picked from commit f02406c74a0a91b29073101912a4b80736a69581)

Backport: Handle the `neg' operator in some calc-units functions.

* lisp/calc/calc-units.el (math-units-in-expr-p)
(math-single-units-in-expr-p, math-find-compatible-unit-rec)
(math-extract-units): Handle the `neg' operator.  (Bug#19582)
* test/automated/calc-tests.el (calc-tests-equal, calc-tests-simple):
New functions.
(test-calc-remove-units, test-calc-extract-units)
(test-calc-convert-units): New tests.

doc/emacs/programs.texi (Custom C Indent): Fix a typo.  (Bug#19647)

Fix coding.c subscript error

* coding.c (CODING_ISO_INVOKED_CHARSET):
Avoid undefined behavior if CODING_ISO_INVOCATION returns negative.

Prevent artist-mode from creating runaway timers (Bug#6130).

* subr.el (posnp): Correct docstring of `posnp'.
(posn-col-row): Make it work with all mouse position objects.
* textmodes/artist.el (artist-mouse-draw-continously): Cancel
timers if an error occurs during continuous drawing.  (Bug#6130)

* commands.texi (Drag Events, Motion Events, Event Examples)
(Accessing Mouse): Describe actual range of values that mouse
position objects can have.

Backport: correct old fix for GTK font selection

* gtkutil.c (xg_get_font): Fix off-by-2 typo.
Fixes: bug#3228

Backport from trunk of bug 19531.

Fixes: debbugs:19531
* nsterm.m (EV_TRAILER2): Set Vinhibit_quit to Qt.

Improve documentation of buttons  (Bug#19628)

 doc/lispref/display.texi (Manipulating Buttons): Explain more about the
 'action' property.

doc/lispref/text.texi (Clickable Text): Improve indexing.  (Bug#19629)

lisp/button.el (button-activate, push-button): Doc fix.  (Bug#19628)

Disallow w32 builds --without-toolkit-scroll-bars.

 configure.ac (HAVE_W32): Abort with error message if
 --without-toolkit-scroll-bars was specified.  See
 http://lists.gnu.org/archive/html/emacs-devel/2015-01/msg00525.html
 for the details.

Fix display of images in R2L screen lines

 src/xdisp.c (produce_image_glyph): Fix display of images in R2L
 screen lines: prepend the new glyph to the ones already there
 instead of appending it.

Use u+05f4 in TUTORIAL.he.

 etc/tutorials/TUTORIAL.he: Use u+05f4 HEBREW PUNCTUATION GERSHAYIM
 instead of u+0022 QUOTATION MARK in Hebrew acronyms.

Backport: Parse pcomplete arguments regardless of pcomplete-cycle-completions

* pcomplete.el (pcomplete-parse-arguments): Parse arguments regardless
of pcomplete-cycle-completions's value.

Fixes: debbugs:18950
(cherry picked from commit dfa8729c1086d6461de846aad47f2a0aba732176)

doc/lispref/variables.texi (Creating Buffer-Local): Improve indexing (Bug#19608)

erc-backend.el: Give hook-name a default value of nil and add-to-list unconditionally. Fixes debbugs:19363

Fix support of non-ASCII frame titles on MS-Windows  (Bug#19590)

 src/w32fns.c (w32_set_title_bar_text): New function, including
 support for titles with non-ASCII characters outside of the
 current system codepage.
 (x_set_name, x_set_title): Use it.

* filenotify.el (file-notify--descriptor): Do not cons for remote files.

Handle watching of several files in the same directory for inotify.

Fixes: debbugs:18880
* filenotify.el (file-notify-descriptors, file-notify-handle-event):
Adapt docstring.
(file-notify--descriptor): New defun.
(file-notify-callback, file-notify-add-watch, file-notify-rm-watch):
Adapt docstring.  Handle multiple values for
`file-notify-descriptors' entries.

* net/tramp.el (tramp-handle-file-notify-rm-watch): Do not check
`file-notify-descriptors', the implementation has been changed.

More fixes to support multi-line search in comint

* lisp/comint.el (comint-history-isearch-message): Use field-beginning
instead of comint-line-beginning-position - that's more fixes for
http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg00305.html
(comint-history-isearch-message): Fix args of isearch-message-prefix.

[backport from trunk]

Better support for multi-line shell input.

* lisp/comint.el (comint-history-isearch-search)
(comint-history-isearch-wrap): Use field-beginning instead of
comint-line-beginning-position.
(comint-send-input): Go to the end of the field instead of the end
of the line to accept whole multi-line input.
http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg00305.html

[backport from trunk]

Fix return value of vertical-motion at ZV  (Bug#19553)

 src/indent.c (Fvertical_motion): Return zero if we started from ZV
 and there's an overlay after-string there.

Fix encoding of I/O in net-utils.el for MS-Windows.  (Bug#19458)

 lisp/net/net-utils.el (net-utils-run-program, net-utils-run-simple):
 On MS-Windows, bind coding-system-for-read to the console output
 codepage.

Fix the description of -nl in --help text.  (Bug#19542)

 src/emacs.c (usage_message): Fix the description of the -nl switch.

Fix line-move-visual's following of column in R2L lines (backport from trunk).

 src/simple.el (line-move-visual): When converting X pixel coordinate
 to temporary-goal-column, adjust the value for right-to-left
 screen lines.  This fixes vertical-motion, next/prev-line, etc.

 src/dispnew.c (buffer_posn_from_coords): Fix the value of the column
 returned for right-to-left screen lines.  (Before the change on
 2014-12-30, the incorrectly-computed X pixel coordinate concealed
 this bug.)

(cherry picked from commit 5fbd17e369ca30a47ab8a2eda0b2f2ea9b690bb4)

Conflicts:
lisp/simple.el

Fixes: debbugs:18756
sh-basic-indent-line fix

* lisp/progmodes/sh-script.el (sh-mode): Doc fix.
(sh-basic-indent-line): Handle electric newline.

Backport: Add an extra column for Version in list-packages table

* emacs-lisp/package.el (package-menu-mode): Use an extra column for
the "Version" column, to accomodate date-and-time-based versions.

(cherry picked from commit eaf25ad549dc5a9b26089f588e0a80268708a3d1)

Fix assertion violations in try_window_id (Bug#19511)

 src/xdisp.c (move_it_to, try_cursor_movement): Don't use the window
 end information if the window_end_valid flag is unset.
 (try_window_id): If the call to display_line invalidated the
 window end information, give up the try_window_id optimization.

Fix dired quoting bug with "Hit`N`Hide"

Fixes Bug#19498.
* files.el (shell-quote-wildcard-pattern): Also quote "`".

More doc fixes for bug#19502 -- make documentation less X-specific.

 doc/lispref/frames.texi (Display Feature Testing): Make the description of
 x-server-version and x-server-vendor less X-specific.

 Make doc strings on X and w32 identical.
 src/w32fns.c (Fx_server_version, Fx_server_vendor): Doc fix.
 src/xfns.c (Fx_server_version, Fx_server_vendor): Doc fix.

src/emacs.c (syms_of_emacs) <system-configuration>: Doc fix.  (Bug#19502)

Backport: Unbreak `mouse-action' property in text buttons

* lisp/button.el (push-button): Fix regression from 2012-12-06.

(cherry picked from commit d94007484ab6b98054b043c1bedeaf7a58eb8606)

* admin/update_autogen (commit): Prepend "# " to commit message.

Auto-commit of loaddefs files.

Fix copyright years by hand

These are dates that admin/update-copyright did not update,
or updated incorrectly.

Update copyright year to 2015

Run admin/update-copyright.

* .gitattributes: New file.

Make sure tool-bar changes are reflected on display.

 lisp/tool-bar.el (tool-bar-local-item)
 (tool-bar-local-item-from-menu): Call force-mode-line-update to
 make sure the tool-bar changes show on display.

* autogen.sh: Port better to non-GNU 'cp'.

Problem reported by Han Boetes.

Fix a typo in a comment in the previous commit.

Fix the pixel coordinates returned by pos-visible-in-window-p.  (Bug#19473)

 src/xdisp.c (pos_visible_p): Fix up the X coordinate for
 right-to-left screen lines.

* automated/tramp-tests.el (tramp--test-smb-or-windows-nt-p):
New defun.
(tramp-test30-special-characters): Use it.
(tramp--test-check-files): Filter nil file names out.

Omit trailing white space

This should simplify switching to automated ChangeLogs.

Sync with Tramp 2.2.11.

* trampver.texi: Update release number.

Sync with Tramp 2.2.11.

* automated/tramp-tests.el (tramp-test30-special-characters):
Skip test on MS-Windows.

Sync with Tramp 2.2.11.

* net/tramp-compat.el (top): Require cl-macs for Emacs 22.
Make an alias for `default-toplevel-value' if it doesn't exist.

* net/tramp-smb.el (tramp-smb-handle-copy-directory):
Use `tramp-compat-delete-directory'.

* net/trampver.el: Update release number.

Fix ChangeLog entry.

Fix auto-revert-tail-mode for remote files

Fixes: debbugs:19449
* autorevert.el (auto-revert-handler): Fix auto-revert-tail-mode for
  remote files (bug#19449)

Spelling fixes

src/w32proc.c (Fw32_get_codepage_charset): Doc fix.  (Bug#19458)

* build-aux/git-hooks/commit-msg: Allow tabs.

Treat them as if they were expanded to spaces, with tab stops
every 8 columns.

lisp/international/mule.el (define-coding-system): Fix typos in the doc string.
Add missing ChangeLog entry for the previous commit.

Backported from trunk; do not merge back.

(cherry picked from commit 79e2dade762491c58aa6396e35bae0ef418bafc6)

lisp/international/mule.el (define-coding-system): Improve docstring.

Backported from trunk; do not merge back.

(cherry picked from commit 5979af512bf5d6a28acea24299b67c7939d9e703)

Port memory-full checking to GnuTLS 3.3

Instead of using gnutls_global_set_mem_functions, check every call
to a GnuTLS function that might return an indication of memory
exhaustion.  Suggested by Dmitry Antipov in:
http://lists.gnu.org/archive/html/emacs-devel/2014-12/msg02056.html
* src/gnutls.c (gnutls_global_set_mem_functions) [WINDOWSNT]: Remove.
(init_gnutls_functions): Do not load gnutls_global_set_mem_functions.
(fn_gnutls_global_set_mem_functions) [!WINDOWSNT]: Remove.
All uses removed.
(check_memory_full): New function.
(emacs_gnutls_handshake, emacs_gnutls_handle_error)
(gnutls_make_error, Fgnutls_boot): Use it.
(emacs_gnutls_global_init): Avoid gnutls_global_set_mem_functions.

* lisp/progmodes/python.el (python-shell-buffer-substring): Handle
cornercase when region sent starts at point-min.

Fix ChangeLog typo

Fix composition of characters from Syriac and Arabis scripts.

 lisp/language/misc-lang.el (composition-function-table): Add Syriac
 characters and also ZWJ/ZWNJ.  See
 http://lists.gnu.org/archive/html/help-gnu-emacs/2014-12/msg00248.html
 for the details.

python.el: Fix message when sending region.

* lisp/progmodes/python.el (python-shell-send-region): Rename argument
send-name from nomain.  Fix message.
(python-shell-send-buffer): Rename argument send-name from arg.

python.el: Cleanup temp files even with eval errors.

* lisp/progmodes/python.el (python-shell-send-file): Make file-name
mandatory.  Fix temp file removal in the majority of cases.

Fix for previous commit

python.el: Handle file encoding for shell.

* lisp/progmodes/python.el (python-rx-constituents): Add coding-cookie.
(python-shell--save-temp-file): Write file with proper encoding.
(python-shell-buffer-substring): Add coding cookie for detected
encoding to generated content.  Fix blank lines when removing
if-name-main block.
(python-shell-send-file): Handle file encoding.
(python-info-encoding-from-cookie)
(python-info-encoding): New functions.

* test/automated/python-tests.el (python-shell-buffer-substring-1)
(python-shell-buffer-substring-2, python-shell-buffer-substring-3)
(python-shell-buffer-substring-4, python-shell-buffer-substring-5)
(python-shell-buffer-substring-6, python-shell-buffer-substring-7)
(python-shell-buffer-substring-8)
(python-info-encoding-from-cookie-1)
(python-info-encoding-from-cookie-2)
(python-info-encoding-from-cookie-3)
(python-info-encoding-from-cookie-4)
(python-info-encoding-from-cookie-5)
(python-info-encoding-from-cookie-6)
(python-info-encoding-from-cookie-7, python-info-encoding-1)
(python-info-encoding-2): New tests.

Spelling fixes

* automated/tramp-tests.el (tramp-test17-insert-directory): Do not
expect a given order of "." and "..".

Fix rendering of composed caharacters on the mode line.  (Bug#19435)

 src/xdisp.c (set_iterator_to_next) <GET_FROM_STRING>: Limit search in
 composition_compute_stop_pos to the number of characters in the
 string.
 <GET_FROM_BUFFER, GET_FROM_STRING>: Simplify code.
 src/composite.c (composition_compute_stop_pos): If no composition
 was found in a string before ENDPOS, and ENDPOS is the string end,
 no need to back up to a safe point.
 src/dispextern.h (struct it) <end_charpos>: Improve commentary.

Small doc markup fixes

* doc/lispref/control.texi (Pattern matching case statement):
* doc/lispref/os.texi (Desktop Notifications): Markup fixes.

* doc/lispref/modes.texi (Defining Minor Modes, SMIE Lexer): Markup fixes.

ChangeLog fix

TUTORIAL.es: Improve style consistency

* tutorials/TUTORIAL.es: Improve style consistency.

TUTORIAL.es: spelling fixes

* tutorials/TUTORIAL.es: Spelling fixes.

Avoid compiler warning.

* nsimage.m (setPixmapData): Rename local variable bmRep to avoid
compiler warning.

Backport: Memory leak fix and 19133 fix.

Fixes: debbugs:19133
* nsimage.m (allocInitFromFile:): Initialize bmRep.
(dealloc): Release bmRep.
(setPixmapData): Make bmRep local so class member is not
set.

Fix bad bug number reference, shall be 19427.

Backport: Don't cache images in nsimage.m (Bug#18918).

Fixes: Bug#18918
* nsterm.h (EmacsImage): Remove imageListNext, refCount, reference,
imageListSetNext, imageListNext.

* nsimage.m (ImageList, imageListNext, imageListSetNext:)
(reference): Remove.
(allocInitFromFile:): Remove searching ImageList and calling
reference (Bug#18918).
(dealloc): Remove handling if ImageList.

* net/tramp-sh.el (tramp-do-copy-or-rename-file-out-of-band):
Use `tramp-rsh-end-of-line', it ought to be more robust.

Improve indexing on the chapter/section/subsection levels.

 doc/lispref/windows.texi (Recombining Windows): Index subject of sections.
 doc/lispref/variables.texi (Variables with Restricted Values)
 (Generalized Variables): Index subject of sections.
 doc/lispref/text.texi (Buffer Contents, Examining Properties)
 (Changing Properties, Property Search, Substitution): Index
 subject of sections.
 doc/lispref/syntax.texi (Motion and Syntax, Parsing Expressions)
 (Motion via Parsing, Position Parse, Control Parsing): Index
 subject of sections.
 doc/lispref/strings.texi (Predicates for Strings, Creating Strings)
 (Modifying Strings, Text Comparison): Index subject of sections.
 doc/lispref/searching.texi (Syntax of Regexps, Regexp Special)
 (Regexp Functions, Regexp Functions): Index subject of sections.
 doc/lispref/processes.texi (Subprocess Creation, Process Information): Index
 subject of sections.
 doc/lispref/positions.texi (Screen Lines): Index subject of sections.
 doc/lispref/nonascii.texi (Scanning Charsets, Specifying Coding Systems):
 Index subject of sections.
 doc/lispref/minibuf.texi (Text from Minibuffer, Object from Minibuffer)
 (Multiple Queries, Minibuffer Contents): Index subject of
 sections.
 doc/lispref/markers.texi (Predicates on Markers, Creating Markers)
 (Information from Markers, Moving Markers): Index subject of
 sections.
 doc/lispref/macros.texi (Defining Macros, Problems with Macros): Index
 subject of sections.
 doc/lispref/loading.texi (Loading Non-ASCII, Where Defined): Index subject
 of sections.
 doc/lispref/lists.texi (List-related Predicates, List Variables, Setcar)
 (Setcdr, Plist Access): Index subject of sections.
 doc/lispref/keymaps.texi (Controlling Active Maps, Scanning Keymaps)
 (Modifying Menus): Index subject of sections.
 doc/lispref/help.texi (Accessing Documentation, Help Functions): Index
 subject of sections.
 doc/lispref/hash.texi (Hash Access): Index subject of sections.
 doc/lispref/functions.texi (Core Advising Primitives)
 (Advising Named Functions, Porting old advices): Index subject of
 sections.
 doc/lispref/frames.texi (Creating Frames, Initial Parameters)
 (Position Parameters, Buffer Parameters, Minibuffers and Frames)
 (Pop-Up Menus, Drag and Drop): Index subject of sections.
 doc/lispref/files.texi (Visiting Functions, Kinds of Files)
 (Unique File Names): Index subject of sections.
 doc/lispref/display.texi (Refresh Screen, Echo Area Customization)
 (Warning Variables, Warning Options, Delayed Warnings)
 (Temporary Displays, Managing Overlays, Overlay Properties)
 (Finding Overlays, Size of Displayed Text, Defining Faces)
 (Attribute Functions, Displaying Faces, Face Remapping)
 (Basic Faces, Font Lookup, Fontsets, Replacing Specs)
 (Defining Images, Showing Images): Index subject of sections.
 doc/lispref/debugging.texi (Debugging, Explicit Debug)
 (Invoking the Debugger, Excess Open, Excess Close): Index subject
 of sections.
 doc/lispref/customize.texi (Defining New Types, Applying Customizations)
 (Custom Themes): Index subject of sections.
 doc/lispref/control.texi (Sequencing, Combining Conditions)
 (Processing of Errors, Cleanups): Index subject of sections.
 doc/lispref/compile.texi (Eval During Compile): Index subject of sections.
 doc/lispref/commands.texi (Using Interactive, Distinguish Interactive)
 (Command Loop Info, Classifying Events, Event Mod)
 (Invoking the Input Method): Index subject of sections.
 doc/lispref/buffers.texi (Buffer List, Buffer Gap): Index subject of sections.
 doc/lispref/backups.texi (Making Backups, Numbered Backups, Backup Names)
 (Reverting): Index subject of sections.
 doc/lispref/abbrevs.texi (Abbrev Tables, Defining Abbrevs, Abbrev Files)
 (Abbrev Expansion, Standard Abbrev Tables, Abbrev Properties)
 (Abbrev Table Properties): Index subject of sections.
 doc/lispref/os.texi (Time of Day, Time Conversion, Time Parsing)
 (Time Calculations, Idle Timers): Index subject of sections.

* lisp/progmodes/js.el (js-syntax-propertize): "return" can't be divided.

Fixes: debbugs:19397

* net/tramp-sh.el (tramp-do-copy-or-rename-file-out-of-band): Use "\n"
as end-of-line delimeter for passwords, when running on MS Windows.

* net/tramp.el (tramp-read-passwd): Ignore errors from `auth-source-*'.

* lisp/progmodes/sh-script.el: Don't set global indent-line-function

Fixes: debbugs:19433
(sh-set-shell): Don't change the global value of indent-line-function.

Fix line numbers on Python shell.

* lisp/progmodes/python.el (python-shell--save-temp-file): Do not
append coding cookie.
(python-shell-send-string): Generalize for
python-shell-send-region.
(python--use-fake-loc): Delete var.
(python-shell-buffer-substring): Cleanup fake-loc logic.
(python-shell-send-region): Remove fake-loc logic, simplify.

doc/emacs/buffers.texi (Kill Buffer): Improve indexing.

Keep maximized when going fullscreen.

Author:
Fixes: Bug#19427
* xterm.c (do_ewmh_fullscreen): Don't remove maximized_horz/vert
when going to fullscreen (Bug#19427).

python.el: Fix electric colon behavior

* lisp/progmodes/python.el (python-indent-post-self-insert-function):
Make colon to re-indent only for dedenters, handling
multiline-statements gracefully.

* test/automated/python-tests.el (python-indent-electric-colon-2)
(python-indent-electric-colon-3): New tests.

Fix last patch.

Fixes: debbugs:18623
* net/tramp.el (tramp-handle-insert-file-contents):
Set `find-file-not-found-functions' in case of errors.

Merge branch 'emacs-24' of git.sv.gnu.org:/srv/git/emacs into emacs-24

Conflicts:
lisp/ChangeLog

* net/tramp-sh.el (tramp-send-command-and-read): New optional arg MARKER.
(tramp-get-remote-path): Use it.

Merge branch 'emacs-24' of git.sv.gnu.org:/srv/git/emacs into emacs-24

Conflicts:
lisp/ChangeLog

* net/tramp-sh.el (tramp-send-command-and-read): New optional arg MARKER.
(tramp-get-remote-path): Use it.

Fix content decoding in gnus-read-ephemeral-bug-group

* gnus-group.el (gnus-read-ephemeral-bug-group): Bind
coding-system-for-read and coding-system-for-write only around
with-temp-file, and make buffer unibyte.  Don't write temp file twice.

src/window.c (Fwindow_body_width): Doc fix.  (Bug#19395)

* lisp/subr.el (redisplay-dont-pause): Mark as obsolete.

* doc/lispref/display.texi (Forcing Redisplay): Remove references to
redisplay-dont-pause and redisplay-preemption-period (which doesn't
even exist).

* net/tramp-gw.el (tramp-gw-open-connection): Suppress traces in
wrong debug buffer.
(tramp-gw-open-connection): Set process coding system 'binary.
(tramp-gw-open-network-stream): Handle HTTP error 403.

* net/tramp-sh.el (tramp-compute-multi-hops): Suppress traces in
wrong debug buffer.
(tramp-maybe-open-connection): Set connection property "gateway".

* net/tramp.el (tramp-error-with-buffer): Call `message' properly.
(tramp-accept-process-output): Use nil as argument for
`accept-process-output', when there is a gateway prepended.

* .gitignore: Ignore /conftest*.

* lisp/subr.el (sit-for): Tweak docstring.

Fixes: debbugs:19381
* src/buffer.c (syms_of_buffer) <Vafter_change_functions>: fix docstring.
* build-aux/git-hooks/commit-msg (at_sign): Bump up line-length limit
to 78.

Fix vc-git-dir-status-files WRT up-to-date vs edited

Fixes: debbugs:19386
* lisp/vc/vc-git.el (vc-git-after-dir-status-stage): Move `up-to-date'
stage to after `diff-index'.