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Remove DEFSYMs that aren't used at the C level.  Also:
* src/decompress.c (Qzlib_dll):
* src/font.c (Qunicode_sip):
* src/frame.c (Qtip_frame):
* src/ftfont.c (Qserif):
* src/gnutls.c (Qgnutls_dll):
* src/xml.c (Qlibxml2_dll):
Move from here ...
* src/w32fns.c (syms_of_w32fns): ... to here,
as these are used only on MS-Windows.

* lisp/net/tramp-sh.el (tramp-histfile-override):
Use ".tramp_history" as default.

Fixes: debbugs:#20446

* lisp/progmodes/etags.el (tag-implicit-name-match-p): Make sure
there's no explicit tag name (bug#20629).

* src/editfns.c, src/lisp.h (format2): Remove.
It is more trouble than it's worth, now that we have CALLN.
This is just a minor refactoring.
* src/buffer.c (Fkill_buffer):
* src/dbusbind.c (XD_OBJECT_TO_STRING):
* src/fileio.c (barf_or_query_if_file_exists):
Adjust to format2 going away.

Also, be more consistent about calls to 'Fmessage' vs 'message'.
* src/alloc.c (Fgc_status):
Prefer AUTO_STRING to build_string for Fmessage call.
* src/data.c (Fmake_variable_buffer_local)
(Fmake_local_variable, Fmake_variable_frame_local):
* src/doc.c (store_function_docstring):
Use Fmessage, not message, since the argument can contain
non-ASCII characters, and this can cause the resulting message
to be incorrectly encoded for the current environment.
* src/fns.c (maybe_resize_hash_table):
* src/xselect.c (x_clipboard_manager_save_all):
Use message, not Fmessage, since Fmessage's power isn't needed here.
* src/process.c (Fmake_network_process): Reword message to avoid %s.
* src/xdisp.c (vmessage): Document restrictions on message contents.
(message_nolog) [false]: Remove unused code.

This is less likely to cause problems on platforms that
use CRLF (or CR!) termination for lines.

http://lists.gnu.org/archive/html/emacs-devel/2015-05/msg00879.html
* .gitattributes: Accommodate tests that insist on DOS format.
Remove test/automated/data/decompress/foo-gzipped.
Add etc/e/eterm-color.

* doc/emacs/mule.texi (Modifying Fontsets): Document
face-ignored-fonts.  (Bug#20628)

* test/etags/ETAGS.good_1, test/etags/ETAGS.good_2:
* test/etags/ETAGS.good_3, test/etags/ETAGS.good_4:
* test/etags/ETAGS.good_5, test/etags/CTAGS.good: Adjust to
test-case changes below.
* test/etags/ETAGS.good_6: New file.

* test/etags/cp-src/x.cc: New file.
* test/etags/Makefile (CPSRC): Add x.cc.
(check): Add one more test, for -Q.

* lisp/progmodes/etags.el (etags-tags-completion-table): Return a
list instead of an obarray
(http://lists.gnu.org/archive/html/emacs-devel/2015-05/msg00876.html).
(tags-completion-table): Combine those lists.
(tags-completion-table): Update the docstring.

* test/etags/ETAGS.good_1, test/etags/ETAGS.good_2:
* test/etags/ETAGS.good_3, test/etags/ETAGS.good_4:
* test/etags/ETAGS.good_5, test/etags/CTAGS.good: Adjust to
test-case changes below.
* test/etags/html-src/algrthms.html: Convert back to DOS EOL format.
* test/etags/cp-src/c.C (B): Add back stray CR character.
* test/etags/c-src/dostorture.c: Add back.
* test/etags/Makefile (CSRC): Add back c-src/dostorture.c.

* nt/emacs-x86.manifest (asmv3:windowsSettings): Add dpiAware.
* nt/emacs-x64.manifest (asmv3:windowsSettings): Add dpiAware.
This avoids Windows entering compatibility mode for Emacs,
which causes fonts to look less nice.

Copyright-paperwork-exempt: yes

* lisp/net/trampver.el (tramp-repository-get-version): New defun.

* lisp/net/tramp.el (tramp-debug-message): Use it.

* lisp/files.el (backup-buffer): Rework to avoid a couple of
unused locals inadvertently introduced in the previous change.

* lisp/files.el (backup-buffer): If the write to .emacs.d/%backup%
fails due to disk space exhaustion or whatever, do not pretend
that it succeeded.  More generally, do a better job of checking
for I/O failures, and limit the scope of the condition-case to
just the operations where file errors should be caught and ignored
(Bug#20595).  Also, don't bother trying to delete later backups if
an earlier deletion fails, as this is a sign of trouble and it's
better to stop when there's trouble.

* src/fileio.c (Fcopy_file): Truncate output after writing rather
than before.  This is more likely to work than truncation before
writing, if the file system is out of space or the user is over
disk quota (Bug#20595).  Also, check for read errors.

(package-load-all-descriptors): Don't load descriptors from
directories above the package directories.

This incorporates the following (Bug#20681):
2015-05-29 acl-permissions: Fix build on Mac OS X and older AIX
2015-05-29 acl-permissions: Fix build on Solaris and Cygwin
* lib/set-permissions.c: Copy from gnulib.

* lisp/net/tramp.el (tramp-call-process-region): New defun.

* lisp/net/tramp-sh.el (tramp-get-inline-coding): Use it.

The signature was changed in the cairo branch, merged on 2015-05-23.
This oversight broke compiling only the non-toolkit X version.

Mark as an expected failure.

* test/automated/package-test.el (package-test-describe-package)
(package-test-signed): Search for curved single quotes as well as
for grave accent and apostrophe.

* lisp/gnus/gnus-art.el (gnus-button-alist): Re-revert last change.
cf. <http://news.gmane.org/group/gmane.emacs.devel/thread=186896>

* startup.el (command-line-1): When Emacs is given a file as an
argument and `initial-buffer-choice' is non-nil, display both the file
and `initial-buffer-choice'.  For more than one file, show
`initial-buffer-choice' and *Buffer List*.  Refactor display-changing
commands out of the command line arg parser.
(initial-buffer-choice): Clarify docstring.

* nt/gnulib.mk (libgnu_a_SOURCES): Add get-permissions.c back.
(gnulib module qcopy-acl): Add back, as it is harmless.  This
minimizes differences wrt lib/gnulib.mk.

* nt/gnulib.mk (libgnu_a_SOURCES): Remove get-permissions.c and
set-permissions.c, as they don't compile on MinGW.
(gnulib module qcopy-acl): Remove, as it needs set-permissions.c.

* lisp/gnus/gnus-art.el (gnus-button-alist): Revert last change.
It wasn't that important, and it caused a Gnus build to fail.  See:
http://www.randomsample.de:4456/builders/emacs-devel/builds/734

This lets you easily insert quotes ‘like this’ by typing
quotes `like this', and similarly you can easily insert
quotes “like this” by typing quotes ``like this'' (Bug#20545).
* doc/emacs/basic.texi (Inserting Text):
* doc/emacs/modes.texi (Minor Modes):
* etc/NEWS: Document it.
* doc/emacs/text.texi (Quotation Marks): New section.
* lisp/electric.el (electric-quote-comment)
(electric-quote-string, electric-quote-paragraph):
New custom vars.
(electric--insertable-p)
(electric-quote-post-self-insert-function): New functions.
(electric-quote-mode, electric-quote-local-mode): New minor modes.
* lisp/progmodes/elisp-mode.el (emacs-lisp-mode):
Add curved single quotes to electric-pair-text-pairs.
Set electric-quote-string in this buffer.

* lisp/info-look.el (info-lookup-guess-custom-symbol):
(info-lookup-alist): Treat ‘’ like `' when parsing help buffers etc.

* lisp/info.el (Info-virtual-index-find-node)
(Info-virtual-index, Info-apropos-find-node, info-apropos):
Quote ‘like this’, not `like this', when generating pseudo-info nodes.

Most of these fixes involve escaping grave accents that are
actually intended to be grave accents, not left quotes.
(Bug#20385)

Emacs's traditional doc string style has been to quote symbols
`like this'.  This worked well on now-obsolete terminals where
` and ' were symmetric quotes, but nowadays curved quotes
‘like this’ look better.  Support quoting the new way too.
(Bug#20385)
* doc/lispref/tips.texi (Documentation Tips): Symbols can be quoted
‘like-this’ as well as `like-this'.
* etc/NEWS: Mention this.
* lisp/cedet/mode-local.el (overload-docstring-extension)
(mode-local-print-binding, mode-local-describe-bindings-2):
* lisp/cus-theme.el (describe-theme-1):
* lisp/descr-text.el (describe-text-properties-1, describe-char):
* lisp/emacs-lisp/checkdoc.el (checkdoc-this-string-valid-engine):
* lisp/emacs-lisp/cl-generic.el (cl--generic-describe):
* lisp/emacs-lisp/eieio-opt.el (eieio-help-class)
(eieio-help-constructor):
* lisp/emacs-lisp/package.el (describe-package-1):
* lisp/faces.el (describe-face):
* lisp/help-fns.el (help-fns--key-bindings)
(help-fns--compiler-macro, help-fns--parent-mode, help-fns--obsolete):
(help-fns--interactive-only, describe-function-1):
(describe-variable):
* lisp/help.el (describe-mode):
* lisp/international/mule-cmds.el (describe-input-method)
(describe-language-environment):
* lisp/international/mule-diag.el (describe-character-set)
(print-coding-system-briefly, list-input-methods)
(list-input-methods-1):
Insert curved quotes rather than grave accent and apostrophe.
* lisp/cedet/srecode/texi.el (srecode-texi-texify-docstring):
* lisp/emacs-lisp/checkdoc.el (checkdoc-this-string-valid-engine)
(checkdoc-proper-noun-region-engine):
* lisp/emacs-lisp/lisp-mode.el (lisp-el-font-lock-keywords-2)
(lisp-cl-font-lock-keywords-2):
* lisp/finder.el (finder-font-lock-keywords):
* lisp/gnus/gnus-art.el (gnus-button-alist):
* lisp/help-fns.el (help-do-arg-highlight)
(describe-function-1, describe-variable):
* lisp/help-mode.el (help-xref-symbol-regexp)
(help-xref-info-regexp, help-xref-url-regexp):
* lisp/help.el (describe-mode):
* lisp/international/mule-cmds.el (help-xref-mule-regexp-template):
* lisp/wid-edit.el (widget-documentation-link-regexp):
Parse symbols quoted ‘like-this’ as well as `like-this'.
* lisp/progmodes/elisp-mode.el (emacs-lisp-mode):
Add "‘" and "’" to electric-pair-text-pairs.
(elisp--form-quoted-p): Also allow "‘" as a quoting char.
(elisp-completion-at-point, elisp--preceding-sexp):
Also treat "‘" and "’" as quoting chars.

So, for example, it turns "`abc'" into "‘abc’" (Bug#20385).
* doc/lispref/help.texi (Keys in Documentation):
* etc/NEWS: Document this.
* src/doc.c (Fsubstitute_command_keys): Implement it.

(rmail-summary-by-topic, rmail-summary-by-senders):
No longer strip leading/trailing whitespace.