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The Flymake test suite fails if the "rubocop" program is installed,
because the ruby-flymake-rubocop backend is selected automatically by
ruby-flymake-auto.  The test was designed for ruby-flymake-simple,
tough, and fails.

* test/lisp/progmodes/flymake-tests.el (ruby-backend): Ensure
this test runs exclusively with the ruby-flymake-simple backend.

* doc/misc/tramp.texi (Frequently Asked Questions):
Mention `tramp-ignored-file-name-regexp'.  Improve index.

; * etc/NEWS: Mention `tramp-ignored-file-name-regexp'.

* lisp/net/tramp.el (tramp-ignored-file-name-regexp): New defcustom.
(tramp-tramp-file-p): Use it.  Check also for `tramp-mode'.
(tramp-file-name-handler): Don't check for `tramp-mode'.  (Bug#31489)

* test/lisp/net/tramp-tests.el (tramp-test01-file-name-syntax):
Extend test.

* doc/misc/message.texi:
* doc/misc/efaq.texi:
* doc/emacs/sending.texi:
* doc/emacs/rmail.texi: Revert the CC => Cc etc. conversions.

Also fix similar problems with Bcc, Fcc, In-Reply-To,
and similar email headers.  See thread starting at:
https://lists.gnu.org/r/emacs-devel/2018-05/msg00463.html

String delimiters, including escaped new lines, of correctly terminated
strings are left in font-lock-string-face.  All others get
font-lock-warning-face.  The latter get syntax-table text properties on the
opening string delim and the "terminating EOL".

Correct two miscellaneous bugs: the handling of text properties on Java Mode's
generic delimiters; the handling of c-just-done-before-change.

* lisp/progmodes/cc-defs.el (c-point): New position 'eoll "end of logical line".
(c-characterp): New macro.

* lisp/progmodes/cc-fonts.el (c-font-lock-invalid-string): Removed.
(c-basic-matchers-before): Use a simple matcher in place of the form around
c-font-lock-invalid-string.

* lisp/progmodes/cc-langs.el (c-get-state-before-change-functions): Add
c-before-change-check-unbalanced-strings to the value for all modes except AWK
Mode.  Also add c-before-change-check-<>-operators to Java Mode, correcting an
error in that mode's handling of generic delimiters.
(c-before-font-lock-functions): Add c-after-change-re-mark-unbalanced-strings
to the value for all modes except AWK Mode.
(c-single-quotes-quote-strings, c-string-delims): New lang variables for
future enhancements.
(c-string-innards-re-alist): New lang variable.

* lisp/progmodes/cc-mode.el (c-just-done-before-change): Do not set this
variable when a change is the alteration of text properties.
(c-basic-common-init): Set parse-sexp-lookup-properties (and the XEmacs
equivalent) also for Pike Mode.
(c-neutralize-CPP-line): No longer neutralize unbalanced quotes here.
(c-unescaped-nls-in-string-p, c-multiline-string-start-is-being-detached)
(c-pps-to-string-delim, c-before-change-check-unbalanced-strings)
(c-after-change-re-mark-unbalanced-strings): New functions.
(c-after-change): Fix a bug with the handling of c-just-done-before-change.

This allows to encode HELLO in UTF-8, thus supporting the entire
repertory of Unicode, while still keeping the charset info where
that is important.  Suggested by Michael Welsh Duggan <mwd@md5i.com>.
* lisp/textmodes/enriched.el (enriched-translations): Add
translations for 'charset'.
(enriched-decode-charset, enriched-handle-charset-prop): New
functions.
* lisp/facemenu.el (facemenu-special-menu): Add sub-menu for
'charset' property.
(facemenu-set-charset): New function.
(facemenu-remove-special): Remove the 'charset' property as well.

* etc/NEWS: Announce the new feature of Enriched mode.
* etc/HELLO: Recode in UTF-8 and place under Enriched mode.

* doc/emacs/text.texi (Enriched Properties): Mention the support
for 'charset'.

In GCC 8, gcc -fsanitize=undefined flags the undefined behavior
that Emacs relies on in its XPNTR and XSYMBOL low-level functions.
Disable undefined sanitization in these functions.  Although this
disabling doesn’t suffice if DEFINE_KEY_OPS_AS_MACROS is true, it
works for -fsanitize=undefined -DINLINING=0, which is good enough.
* src/alloc.c (macro_PNTR_ADD): New macro.
(PNTR_ADD): New function and macro.
The function disables -fsanitize=undefined.
(macro_XPNTR): Use it.
* src/conf_post.h (ATTRIBUTE_NO_SANITIZE_UNDEFINED): New macro.
* src/lisp.h (XSYMBOL): Disable -fsanitize=undefined.

* lisp/gnus/gnus-art.el (gnus-blocked-images): Clarify the privacy
implication of altering the value of this variable.

* src/fileio.c (Fexpand_file_name): Don't build multibyte strings
from unibyte non-ASCII strings when NAME and DEFAULT_DIRECTORY
have different multibyteness, as this adds bytes to the byte
sequence, and in some situations, e.g., when the home directory
includes non-ASCII characters, can fail file APIs.  (Bug#30755)

* lisp/startup.el (normal-top-level): Make sure default-directory
is set to a multibyte string when decoded on MS-Windows.

* lisp/auth-source.el (auth-source-netrc-parse-one): Ensure that match
  data is not overwritten in `auth-source-netrc-parse-next-interesting'.
  Ensure that blanks are skipped before and after going over comments
  and eols.
* test/lisp/auth-source-tests.el (auth-source-test-netrc-parse-one): New test.

* lisp/auth-source.el (auth-source-secrets-create): Use ´apply'.
(auth-source-secrets-saver): Handle `auth-source-save-behavior'
equal t.

* lisp/net/secrets.el (secrets-get-items): Do not call
`secrets-open-session' here ...
(top): ... but here.

* test/lisp/auth-source-tests.el
(auth-source-test-secrets-create-secret): Bind
`auth-source-save-behavior' to t.  Cleanup.

* test/lisp/net/secrets-tests.el (secrets-test00-availability):
After loading secets.el, a session is already opened.
(secrets-test02-collections, secrets-test03-items)
(secrets-test04-search): Open a new session.

* lisp/progmodes/make-mode.el (makefile-mode-syntax-table): Set syntax
of '$' to punctuation.

* lisp/eshell/esh-opt.el (eshell--set-option)
(eshell--process-args): Use (pop (nthcdr ...)) instead of writing it
out by hand.

* lisp/eshell/esh-opt.el (eshell-eval-using-options): Add a new
:parse-leading-options-only argument which ignores dash/switch
arguments after the first positional argument.
(eshell--process-args): Abort processing of arguments if we see one
positional argument and :parse-leading-options-only is set.
* lisp/eshell/em-tramp.el (eshell/sudo): Use
:parse-leading-options-only, to avoid parsing subcommand switches as
switches of sudo itself.
* test/lisp/eshell/esh-opt-tests.el: Add tests for new and old behavior.

Examples of broken behavior:

    sudo -u root whoami
    Outputs: -u
    ls -I '*.txt' /dev/null
    Errors with: *.txt: No such file or directory

* lisp/eshell/esh-opt.el (eshell--process-args): Refactor usage of
args to eshell--args, as we rely on modifications from
eshell--process-option and vice versa.  These modifications were not
being propogated in the (if (= ai 0)) case, since popping the first
element of a list doesn't destructively modify the underlying list
object.

c2ef847d (origin/emacs-26) Clarify the mode-line indicators in CC Mode

The following commit was skipped:

934bb475 Fix filesystem littering by Flymake's legacy backend

b98cf9cd ; Fix a typo in the Emacs manual
700fcd77 * doc/emacs/help.texi: Fix paren typo.
c9c0e40d More minor changes in shell-related nodes of Emacs manual
e6bf19cf Fix inaccuracies in "Shell Ring" node of Emacs manual
087681b8 Improve documentation of kmacro commands and variables.
be2e8cb8 * doc/man/emacs.1.in: Document --fg-daemon and --bg-daemon.
1d9e66ae Don't check non-X frames for z order (Bug#31373)
7dc028e2 Check NSWindow is actually a frame

Conflicts:
	src/nsfns.m

* lisp/net/secrets.el (secrets-create-item): The new item does not
need a unique label.
(secrets-item-path, secrets-get-secret, secrets-get-attributes)
(secrets-get-attribute, secrets-delete-item): ITEM can also be an
object path.  (Bug#29575)

* test/lisp/net/secrets-tests.el (secrets-test03-items):
Test also creation of two items with same label.  Test
`secrets-get-secret', `secrets-get-attribute' and
`secrets-get-attributes' with object path.
(secrets-test04-search): Harden test.

* lisp/net/tramp-archive.el (tramp-archive-file-name-handler):
Unregister unless `tramp-archive-enabled'.  (Bug#31068)

* test/lisp/progmodes/python-tests.el (python-tests--bug31398):
Skip test when executable python is no found.

* lisp/progmodes/python.el (run-python, python-shell-make-comint):
Make the buffer running the inferior python process the current buffer
(Bug#31398).
* test/lisp/progmodes/python-tests.el (python-tests--bug31398):
Add test.

* doc/emacs/programs.texi (Electric C): Explain '*' and '/' in the
CC Mode mode-line.  (Bug31445)

* lisp/simple.el (shell-command): Use call-process-shell-command,
start-process-shell-command, and file-attribute-size. (bug#30280).

* lisp/simple.el (shell-command): Use call-process-shell-command,
start-process-shell-command, and file-attribute-size. (bug#30280)

Do not use obsolete ´dired-local-variables-file'.

* lisp/dired.el (dired-revert):
Call `hack-dir-local-variables-non-file-buffer'.  (Bug#30663)

* lisp/dired.el (dired-buffer-stale-p): Check for ´file-remote-p'
only if `auto-revert-remote-files' is non-nil.

* doc/misc/dired-x.texi (Local Variables): Remove node.

* lisp/dired-x.el (dired-enable-local-variables)
(default-directory-alist, dired-default-directory-alist)
(dired-default-directory, dired-local-variables-file)
(dired-hack-local-variables, dired-omit-here-always):
Remove obsolete variables, constants and functions.

The Flymake legacy "proc" backend, which is active by default will try
to syntax-check foo.c/foo.cpp and many other types of files, but on
failing to find a suitable Makefile target, will fail.  There's
nothing wrong with that except that it used to leave behind the
foo_flymake.c and foo_flymake.cpp auxiliary files behind, littering
the filesystem.

* lisp/progmodes/flymake-proc.el (flymake-proc-legacy-flymake):
Call init-function inside of the unwind-protect.

* doc/emacs/fixit.texi (Transpose): Fix a typo.  Reported by
Takesi Ayanokoji <ayanokoji.takesi@gmail.com>.

The Flymake legacy "proc" backend, which is active by default will try
to syntax-check foo.c/foo.cpp and many other types of files, but on
failing to find a suitable Makefile target, will fail.  There's
nothing wrong with that except that it used to leave behind the
foo_flymake.c and foo_flymake.cpp auxiliary files behind, littering
the filesystem.

* lisp/progmodes/flymake-proc.el (flymake-proc-legacy-flymake):
Call init-function inside of the unwind-protect.

* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-file-attributes):
Parse multibyte symlinks correctly.

* test/lisp/net/tramp/tramp-tests.el (tramp--test-utf8):
Improve backward compatibility.