Make Tramp compatible to recent progress-reporter-update

* lisp/net/tramp-compat.el (tramp-compat-progress-reporter-update):
New defalias.

* lisp/net/tramp.el (tramp-progress-reporter-update): Add optional SUFFIX.

Some changes in process output read of Tramp

* lisp/net/tramp.el (tramp-handle-file-notify-rm-watch):
Read pending output.

* test/lisp/net/tramp-tests.el (tramp-test31-interrupt-process):
Use a timeout when reading process output.

Tag remote autorevert tests as unstable

* test/lisp/autorevert-tests.el (auto-revert--timeout):
Derive value from `auto-revert-interval'.
(auto-revert--deftest-remote): Tag it as `:unstable'.
(auto-revert-test05-global-notify, auto-revert-test06-write-file):
Suppress final newline.  Use `auto-revert--timeout'.

Remove Lucid Emacs support from bookmark.el

* lisp/bookmark.el: Remove Lucid Emacs support.
(Bug#36179)

Improve documentation of hash-code functions

* src/fns.c (Fsxhash_eq, Fsxhash_eql, Fsxhash_equal):
* doc/lispref/hash.texi (Defining Hash): Warn against assuming
that sxhash returns consistent results.

* configure.ac: Lower required cairo version to 1.8.0.

Remove non-Xdbe double-buffering code on cairo

* src/xterm.c (x_begin_cr_clip, x_update_end) [USE_CAIRO]: Don't do
handcrafted double-buffering with image surface.

Rework x_scroll_run on cairo

* src/xterm.c (x_scroll_run) [USE_CAIRO]: Use FRAME_CR_CONTEXT or surface type
for conditions to call XCopyArea rather than FRAME_X_DOUBLE_BUFFERED_P.
Set compositing operator to CAIRO_OPERATOR_SOURCE when copying image.

Revert "Silence okuri-nasi count-up messaging during compilation"

This takes long enough on some systems that the messages are useful.

This reverts commit 1d2e4d22c922f94d6f4b75a5ead18cbc679c5dfe.

Fix problem in remote file notification

* lisp/net/tramp-sh.el (tramp-sh-gio-monitor-process-filter)
(tramp-sh-gvfs-monitor-dir-process-filter)
(tramp-sh-inotifywait-process-filter): Do not kill the process.
Let `file-notify-rm-watch' do the job.

* test/lisp/filenotify-tests.el (file-notify-test03-events)
(file-notify-test05-file-validity)
(file-notify-test09-watched-file-in-watched-dir): Do not
special-case remote files.

Silence okuri-nasi count-up messaging during compilation

* lisp/international/ja-dic-cnv.el (skkdic-set-okuri-nasi): Remove
messaging while compilation to make compilation more regular.

Revert "srecode/srt-mode compilation fix"

This led to a recursive require.

This reverts commit 9fac0e70e3f5b7d0b12b77cac50078e01f68ee70.

Fix previous object-print/cl-print-object changes

* lisp/cedet/srecode/insert.el
(srecode-insert-variable-secondname-handler):
* lisp/cedet/semantic/decorate/include.el
(semantic-decoration-fileless-include-describe):
(semantic-decoration-all-include-summary):
* lisp/cedet/semantic/db-find.el (semanticdb-find-log-activity):
* lisp/cedet/semantic/bovine/c.el
(semantic-c-describe-environment):
* lisp/cedet/semantic/analyze/debug.el
(semantic-analyzer-debug-insert-include-summary): Fix previous
object-print/cl-print-object changes that were nonsensical.

Avoid using registerv-make in senator.el

* lisp/cedet/semantic/senator.el (senator-register): New class.
(register-val-jump-to, register-val-describe)
(register-val-insert): New methods.
(senator-copy-tag-to-register): Use this instead of the deprecated
registerv-make function.

analyze/debug compilation fix

* lisp/cedet/semantic/analyze/debug.el (pulse): Require to avoid
byte compilation warning.

semantic/lex-spp compilation fix

* lisp/cedet/semantic/lex-spp.el
(semantic-lex-spp-analyzer-push-tokens-for-symbol): Use new name
for `semantic-lex-spp-anlyzer-do-replace'.

Use cl-typep instead of obsolete predicate functions throughout cedet

* lisp/cedet/srecode/dictionary.el (srecode-create-dictionary):
(srecode-dictionary-add-entries):
(srecode-compound-toString):
(srecode-dump):
* lisp/cedet/srecode/compile.el (srecode-dump-code-list):
* lisp/cedet/semantic/util.el (semantic-something-to-tag-table):
* lisp/cedet/semantic/db-typecache.el (semanticdb-typecache-length):
* lisp/cedet/semantic/db-ref.el (semanticdb-check-references):
* lisp/cedet/semantic/db-find.el
(semanticdb-find-incomplete-cache-entries-p):
(semanticdb-find-translate-path-includes-default):
(semanticdb-find-results-p):
(semanticdb-find-result-with-nil-p):
* lisp/cedet/semantic/analyze/complete.el
(semantic-analyze-possible-completions): Use cl-typep instead of
functions like `srecode-dictionary-compound-value-child-p' etc.

srecode/srt-mode compilation fix

* lisp/cedet/srecode/srt-mode.el (srecode/insert): Require to
avoid compilation warning about unknown slot.  Remove function
declarations that point to that file.

srecode/find compilation fix

* lisp/cedet/srecode/find.el (srecode/compile): Require to
avoid compilation warning about unknown slot.  Remove function
declarations that point to that file.

srecode/dictionary compilation warning fix

* lisp/cedet/srecode/dictionary.el (srecode/fields): Require to
avoid compilation warning about unknown slot.  Remove function
declarations that point to that file.

srecode/dictionary compilation fix

* lisp/cedet/srecode/ctxt.el (srecode/dictionary): Require to
avoid compilation warning about unknown slot.  Remove function
declarations that point to that file.

srecode-inserter-prin-example compilation fix

* lisp/cedet/srecode/insert.el (srecode-inserter-prin-example):
Move prin1 example to file that defines the structure it prints.

Move functions from semantic.el to analyze.el to avoid warnings

* lisp/cedet/semantic.el (semantic-analyze-completion-at-point-function)
(semantic-analyze-notc-completion-at-point-function)
(semantic-analyze-nolongprefix-completion-at-point-function): Add
autoloads for the moved functions.

* lisp/cedet/semantic/analyze.el
(semantic-analyze-completion-at-point-function)
(semantic-analyze-notc-completion-at-point-function)
(semantic-analyze-nolongprefix-completion-at-point-function): Move
here from semantic.el to avoid getting compilation warnings about
unknown slot `bounds'.

Adjust erc functions after previous erc-pre-send-function change

Adjust erc functions after previous erc-pre-send-function change

* lisp/erc/erc-goodies.el (noncommands): Use
erc-pre-send-functions instead of the hook.
(erc-send-distinguish-noncommands): Adjust function to new interface.

* lisp/erc/erc-ring.el (ring): Ditto.
(erc-add-to-input-ring): Ditto.

* lisp/erc/erc.el (erc-send-this): Really make obsolete.
(erc-pre-send-functions): Change to a list of functions to allow
erc-goodies and erc-ring to work as before.

Unobsolete string-to-multibyte

* lisp/subr.el: Un-obsolete string-to-multibyte, because it's a
useful function.  string-to-unibyte has already been un-obsoleted.

Use CLOS-style accessors in oref/oset

* lisp/cedet/srecode/texi.el (srecode-semantic-handle-:texitag):
* lisp/cedet/srecode/table.el (srecode-mode-table-new):
(srecode-dump):
* lisp/cedet/srecode/srt-mode.el (srecode-parse-this-macro):
(semantic-analyze-possible-completions):
* lisp/cedet/srecode/semantic.el (srecode-compound-toString):
(srecode-semantic-apply-tag-to-dict-default):
* lisp/cedet/srecode/mode.el (srecode-minor-mode-templates-menu):
(srecode-edit):
* lisp/cedet/srecode/insert.el (srecode-insert-method):
(srecode-inserter-apply-state):
(srecode-insert-ask-default):
(srecode-insert-method-ask):
(srecode-insert-method-field):
(srecode-insert-method-helper):
(srecode-parse-input):
(srecode-match-end):
(srecode-insert-include-lookup):
(srecode-insert-method):
* lisp/cedet/srecode/find.el (srecode-template-table-in-project-p):
(srecode-template-get-table):
(srecode-template-get-table-for-binding):
(srecode-all-template-hash):
* lisp/cedet/srecode/extract.el (srecode-inserter-extract):
(srecode-inserter-extract):
* lisp/cedet/srecode/el.el (srecode-semantic-apply-tag-to-dict):
* lisp/cedet/srecode/dictionary.el (initialize-instance):
(srecode-dictionary-add-template-table):
(srecode-compound-toString):
* lisp/cedet/srecode/cpp.el (srecode-semantic-apply-tag-to-dict):
* lisp/cedet/srecode/compile.el (srecode-compile-template-table):
(srecode-dump):
* lisp/cedet/srecode/args.el (srecode-semantic-handle-:project):
* lisp/cedet/semantic/texi.el (semantic-analyze-possible-completions):
* lisp/cedet/semantic/symref/list.el (semantic-symref-results-dump):
(semantic-symref-list-create-macro-on-open-hit):
(semantic-symref-list-rename-open-hits):
(semantic-symref-list-map-open-hits):
* lisp/cedet/semantic/symref/idutils.el
(semantic-symref-perform-search):
(semantic-symref-parse-tool-output-one-line):
* lisp/cedet/semantic/symref/global.el (semantic-symref-perform-search):
(semantic-symref-parse-tool-output-one-line):
* lisp/cedet/semantic/symref/cscope.el (semantic-symref-perform-search):
(semantic-symref-parse-tool-output-one-line):
* lisp/cedet/semantic/mru-bookmark.el
(semantic-mrub-ring-to-assoc-list):
* lisp/cedet/semantic/grammar.el
(semantic-analyze-possible-completions):
* lisp/cedet/semantic/decorate/include.el
(semantic-decoration-include-describe):
* lisp/cedet/semantic/debug.el (semantic-debug-highlight-lexical-token):
(semantic-debug-highlight-rule):
* lisp/cedet/semantic/db-typecache.el
(semanticdb-typecache-for-database):
* lisp/cedet/semantic/complete.el
(semantic-collector-calculate-completions-raw):
* lisp/cedet/semantic/bovine/make.el
(semantic-analyze-possible-completions):
* lisp/cedet/semantic/analyze/refs.el (semantic-analyze-refs-impl):
(semantic-analyze-refs-proto):
* lisp/cedet/semantic/analyze/debug.el
(semantic-analyzer-debug-describe-scope):
* lisp/cedet/semantic/analyze.el (semantic-analyze-interesting-tag):
(semantic-analyze-interesting-tag):
(semantic-analyze-pulse):
* lisp/cedet/ede/util.el (ede-update-version):
* lisp/cedet/ede/shell.el (ede-shell-run-something):
* lisp/cedet/ede/project-am.el (project-am-load-makefile):
(project-rescan):
(project-am-macro):
(ede-buffer-mine):
(project-compile-target-command):
(project-am-package-info):
* lisp/cedet/ede/files.el (ede--project-inode):
(ede-directory-get-open-project):
(ede-directory-get-toplevel-open-project):
(ede-find-subproject-for-directory):
(ede-toplevel-project):
* lisp/cedet/ede/cpp-root.el (initialize-instance):
(project-compile-project):
(project-compile-target):
* lisp/cedet/ede/config.el (ede-config-get-configuration):
(project-debug-target):
(project-run-target):
(project-compile-project):
(ede-preprocessor-map):
(ede-java-classpath):
* lisp/cedet/ede/base.el (ede-normalize-file/directory): Use
CLOS-style oref/oset accessors instead of eieio-style :colon
accessors.  This avoids compilation warnings and is allegedly
faster.

Obsolete erc-send-pre-hook and add new erc-pre-send-function

* lisp/erc/erc.el (erc-send-pre-hook): Make obsolete.
(erc-send-input): Ditto.
(erc-pre-send-function): New function.
(erc-send-input): Use the new function, and silence byte
compilation warning about the dynamic variable `str' used by the
now-obsolete hook.

Fix compilation warning in rmailmm

* lisp/mail/rmailmm.el (rmail-mime-insert-bulk): Remove apparently
superfluous call to string-as-unibyte -- the buffer should be
unibyte already at this point.

Avoid compilation warning in byte-run

* lisp/emacs-lisp/byte-run.el (macro-declaration-function): Avoid
compilation warning by not using `symbol-function'.

* lisp/gnus/message.el: Fix NNTP sending, broken by e51adfbdb7

(message-check-news-header-syntax): `message--check-continuation-headers`
signals an error instead of returning nil on error.

Stop a tramp test leaving a file behind

* test/lisp/net/tramp-tests.el
(tramp-test10-write-region-file-precious-flag):
Avoid leaving a backup file after we are done.

* lisp/widget.el (define-widget-keywords): Use `declare`.

* lisp/progmodes/ps-mode.el (ps-mode-octal-region): Simplify.

Fix typo in object-print cleanup

* lisp/cedet/srecode/insert.el
(srecode-insert-variable-secondname-handler): Fix typo in
object-print cleanup.

Remove outdated FIXME

* lisp/emacs-lisp/eieio-core.el (eieio--slot-name-index): Remove
comment about issuing a byte compilation warning about accessing
slots via :initarg -- it was implemented a few months later.

semantic/senator.el byte compilation fix

* lisp/cedet/semantic/senator.el (semantic/analyze): Require to
avoid compilation warnings about unknown slots, and remove
declare-function.

semantic/idle.el compilation warning fix

* lisp/cedet/semantic/idle.el (semantic/analyze): Require to
avoid compilation warnings about unknown slots, and remove
declare-function.

semantic/grammar byte compilation fixes

* lisp/cedet/semantic/grammar.el (semantic/analyze): Require to
avoid compilation warnings about unknown slots, and remove
declare-function.

semantic/chart.el compilation warning fixes

* lisp/cedet/semantic/chart.el (semantic/db-typecache)
(semantic/scope): Require to avoid byte compilation warnings about
undefined slots.  Remove declare-functions from these packages.

Fix some cedet compilation warnings pertaining to semantic/db

* lisp/cedet/ede/config.el (semantic/db)
(ede-preprocessor-map): Ditto.

* lisp/cedet/ede/cpp-root.el (semantic/db): Ditto.

* lisp/cedet/ede/emacs.el (semantic/db): Ditto.

* lisp/cedet/ede/linux.el (semantic/db): Require to avoid warnings
about unknown slot lexical-table, and remove declare-functions
from the now-required semantic/db.

project.el compilation warning fix

* lisp/progmodes/project.el (xref--regexp-to-extended)
(xref--convert-hits): Declare more xref functions to avoid
compilation warnings.

Depessimize bits of CC Mode for long C macros.

* lisp/progmodes/cc-engine.el (c-end-of-macro): Check for being in a
degenerate zero length "macro", when setting the macro cache.
(c-determine-+ve-limit): Add in a missing goto-char form for when start-pos is
non-nil.
(c-back-over-member-initializers): Add a search limit parameter.

* lisp/progmodes/cc-fonts.el (c-get-fontification-context): Add a search limit
to c-go-up-list-backward.
(c-font-lock-cut-off-declarators): Add a search limit to
c-back-over-member-initializers.

* lisp/progmodes/cc-mode.el (c-before-change-check-unbalanced-strings): Don't
set c-new-END to the end of logical line (which might be a long macro).
(c-after-change-mark-abnormal-strings): Calculate end-hwm in place of the
setting of c-new-END (above).  Use this as a search limit rather than
c-new-END.

; * etc/NEWS: Small cleanup.

* etc/NEWS: Merge two bookmark items in NEWS (bug#36188).

Remove XEmacs support from bookmark.el

* lisp/bookmark.el (bookmark-store): Remove XEmacs compat code
(bug#36189).

Use cl-print-object instead of object-print throughout cedet

* lisp/cedet/semantic/db-find.el (semanticdb-find-log-activity):
Ditto.

* lisp/cedet/semantic/analyze/debug.el
(semantic-analyzer-debug-insert-include-summary): Ditto.

* lisp/cedet/semantic/bovine/c.el (semantic-c-describe-environment)
(semantic-c-describe-environment)
(semantic-c-describe-environment): Ditto.

* lisp/cedet/semantic/decorate/include.el
(semantic-decoration-fileless-include-describe): Ditto.
(semantic-decoration-all-include-summary): Ditto.

* lisp/cedet/srecode/insert.el
(srecode-insert-variable-secondname-handler): Use cl-print-object
instead of object-print.

erc-dcc.el minor clean-ups

* lisp/erc/erc-dcc.el: Remove outdated comments.
(erc-dcc-get-file): Remove XEmacs compat code.

Fix erc-dcc server-close code and fix compilation warning

* lisp/erc/erc-dcc.el (erc-dcc-get-filter): We receive unibyte
data, so no need to convert to unibyte.
(erc-dcc-send-filter): Kill the process before killing the buffer
so that we're not queried about killing the process.

Make erc-dcc-server work again by making synchronous

* lisp/erc/erc-dcc.el (erc-dcc-server): :server and :nowait can't
be mixed, so remove the :nowait.

Escape newlines when printing functions in timer list

* timer-list.el (list-timers): Bind `print-escape-newlines' to avoid
newlines in printed representation (bug#36187).

Compilation fix for previous change

Compilation warning fix for disass.el

* lisp/emacs-lisp/disass.el (disassemble-1): Remove a
string-as-unibyte that probably doesn't do anything, because the
string in question should be unibyte anyway.  If the assert fails,
revert the patch.

CC Mode: replace an erroneous re-search-forward with search-forward

Move two declarations to a more suitable point in the cc-engine.el.

* lisp/progmodes/cc-engine.el (c-after-change-unmark-raw-strings): Change an
re-search-forward to search-forward.
(c-semi-lit-near-cache, c-semi-near-cache-limit): Move the declarations.

Fix display of Hebrew text with precomposed characters

* lisp/language/hebrew.el (base): Include precomposed
Hebrew characters from the Alphabetic Presentation Forms in
the composition patterns.  (Bug#36171)

Merge branch 'master' of git.savannah.gnu.org:/srv/git/emacs

Fix text shaping of precomposed characters with HarfBuzz

* src/hbfont.c (hbfont_shape): Fix setting TO of lglyph for
the case when Lisp shape-gstring function performed some
compositions by itself.  This happens with hebrew.el.  See
https://lists.freedesktop.org/archives/harfbuzz/2019-June/007396.html
for the details of the problem this solves.

Move declaration of c-syntax-table-hwm to avoid compiler warnings.

This variable was declared after an invocation of a defsubst which used it,
the defsubst being in another file.

* lisp/progmodes/cc-mode (c-syntax-table-hwm): Move the declaration to earlier
in the file.

Allow for line breaks in a bytecomp test

* test/lisp/emacs-lisp/bytecomp-tests.el (test-suppression):
Warnings from the byte compiler may be filled.

Avoid string-make-multibyte in ps-mode.el

* lisp/progmodes/ps-mode.el (ps-mode-octal-region): Avoid usage of
string-make-multibyte, but work in both unibyte and multibyte buffers.

Add more ps-mode octal tests

* test/lisp/progmodes/ps-mode-tests.el
(ps-mode-test-octal-region-multibyte): New test.

Revert previous ps-mode.el change

* lisp/progmodes/ps-mode.el (ps-mode-octal-region): Revert
previous change because the `string-make-unibyte' insertion was
the previous single change (in 2013) to this file, so it must have
some subtle meaning or other.

Add ps-mode-tests.el and remove a compilation warning

* lisp/progmodes/ps-mode.el (ps-mode-octal-region): Remove a
string-make-unibyte that apparently had no effect here.
* test/lisp/progmodes/ps-mode-tests.el: New file.

Suppress warnings in tildify.el

* lisp/textmodes/tildify.el (tildify--deprecated-ignore-evironments):
(tildify-tildify, tildify-mode): Suppress warnings about obsolete
internal function `tildify--pick-alist-entry'.  Apparently these
semi-deprecated functions rely on each other.

Add comment to clarify the use of `str'

Revert "Compilation warning fix for byte-run.el"

* lisp/emacs-lisp/byte-run.el (macro-declaration-function):
Revert change that causes a bootstrap failure.

; Ref eg https://hydra.nixos.org/build/94678649

Fix compilation warnings in rfc2104

* lisp/net/rfc2104.el (rfc2104-hash): Remove superflous calls to
string-make-unibyte and avoid two compilation warnings.

New file rfc2104-tests.el

* test/lisp/net/rfc2104-tests.el: New file to test rfc2104 hashes.

Give more information in a bytecomp test failure

* test/lisp/emacs-lisp/bytecomp-tests.el (test-suppression):
More informative failure messages.

Fix compilation warning in qp.el

* lisp/mail/qp.el (quoted-printable-encode-region): No need to
convert the regexp to multibyte before searching.

Fix warning about obsolete func calling obsolete func in etags.el

* lisp/progmodes/etags.el (find-tag-other-frame): Don't give a
warning about an obsolete function calling another obsolete function.

Compilation warning fix in feedmail.el

* lisp/mail/feedmail.el (feedmail-scroll-buffer): Remove XEmacs
compat code (that gave a compilation warning).

Remove XEmacs compat code from mml.el that gave a compilation warning

* lisp/gnus/mml.el (mml-mode): Remove XEmacs compat code

message.el byte compilation warning fix

* lisp/gnus/message.el (message-inhibit-body-encoding): Move
earlier to avoid compilation warning.

Compilation warning fix for byte-run.el

* lisp/emacs-lisp/byte-run.el (macro-declaration-function):
Suppress warning about obsolete function used by obsolete variable.

todo-mode.el compilation warning fix

* lisp/calendar/todo-mode.el (hl-line-highlight): Declare to avoid
compilation warning.

Touch ups to the XEmacs deletion patch for idlw-shell.el

* lisp/progmodes/idlw-shell.el (idlwave-xemacs-hack-mouse-track):
Fix up previous obsoletion.

Remove XEmacs support from idlw-shell.el

* lisp/progmodes/idlw-shell.el (idlwave-shell-make-temp-file)
(idlwave-shell-mouse-examine)
(idlwave-xemacs-hack-mouse-track, idlwave-display-buffer)
(idlwave-shell-debug-line-map)
(idlwave-shell-make-new-bp-overlay, idlwave-shell-mode-map):
Remove XEmacs support.

Remove XEmacs support from ido.el

* lisp/ido.el (ido-active, ido-completion-help)
(ido-minibuffer-setup): Remove XEmacs support.

Remove compat code for XEmacs and pre-Emacs 20 Emacs in pcomplete.el

* lisp/pcomplete.el (pcomplete-event-matches-key-specifier-p)
(pcomplete-read-event, pcomplete-show-completions): Remove XEmacs
support and mark now-trivial defaliases as obsolete.

Remove XEmacs support from dig.el

* lisp/net/dig.el (dig-mode): Remove XEmacs support.

Remove XEmacs support from goto-addr.el

* lisp/net/goto-addr.el (goto-address-highlight-keymap): Remove
XEmacs support.

Remove XEmacs support from dns.el

* lisp/net/dns.el (dns-read-string-name, dns-write, dns-read)
(dns-make-network-process, dns-query): Remove XEmacs support.

Remove XEmacs compat code from tempo.el

* lisp/tempo.el (tempo-insert-template): Remove XEmacs compat code.

CC Mode: Add a workaround for syntax-ppss ignoring syntax-table prop changes

* lisp/progmodes/cc-engine.el (c-truncate-lit-pos-cache): Maintain the new
variable c-syntax-table-hwm after buffer changes.

* lisp/progmodes/cc-mode.el (c-syntax-table-hwm): New variable.
(c-before-change): Set c-syntax-table-hwm to "infinity".
(c-after-change): Call syntax-ppss-flush-cache, just before a font locking is
due to take place.

Restore image scaling support when there's no native image scaling

* lisp/net/shr.el (shr--image-type): New function.
(shr-rescale-image): Use it to allow image scaling on Emacsen with
ImageMagick support that does not have native image scaling support.

Rewrite the kmacro register function to avoid using obsolete functions

* lisp/kmacro.el (kmacro-register): New struct to replace the
general registerv struct.
(register-val-jump-to, register-val-describe)
(register-val-insert): New methods to implement the register
interface.
(kmacro-to-register): Use the kmacro-register struct.

(beginning-of-defun-raw): Suppress warning about syntax-begin-function

* lisp/emacs-lisp/lisp.el (beginning-of-defun-raw):
font-lock-compile-keywords also suppresses warnings about the
obsolete syntax-begin-function variable, so suppress the only
other use not in syntax.el.

Suppress warning about pi not having a prefix

* lisp/emacs-lisp/float-sup.el (pi): Suppress warning about this
obsolete variable not having a prefix.

* doc/lispref/text.texi (Base 64): Fix typos.

Copyright-paperwork-exempt: yes.

Suppress warning about obsolete function custom-show

* lisp/cus-edit.el (custom-variable-value-create): Suppress
warning about obsolete function custom-show.  The widget this
supports has been obsolete since Emacs 24, but we should perhaps
be very conservative about removing widget types, so suppress the
warning instead of removing the widget type.

Suppress warning in display-completion-list about itself

* lisp/minibuffer.el (display-completion-list):
`display-completion-list' calls itself with the old, obsolete
callargs, so suppress this warning.

Suppress interactive-only warnings in epa*.el

* lisp/epa-mail.el (epa-mail-decrypt, epa-mail-verify)
(epa-mail-sign, epa-mail-encrypt): Ditto.

* lisp/epa.el (epa-verify-cleartext-in-region): Suppress warnings
about calling interactive-only functions, because these are
interactive-only thin wrappers around those functions.

ehelp.el: Suppress warning

* lisp/ehelp.el (electric-help-execute-extended): Suppress warning
about `execute-extended-command' only being interactive, because
we're still using it interactively, but via a wrapper.

Add the new macro with-suppressed-warnings

* lisp/emacs-lisp/byte-run.el (with-suppressed-warnings): New macro.

* doc/lispref/compile.texi (Compiler Errors): Document
with-suppressed-warnings and deemphasise with-no-warnings
slightly.

* lisp/emacs-lisp/bytecomp.el (byte-compile--suppressed-warnings):
New internal variable.
(byte-compile-warning-enabled-p): Heed
byte-compile--suppressed-warnings, bound via with-suppressed-warnings.
(byte-compile-initial-macro-environment): Provide a macro
expansion of with-suppressed-warnings.
(byte-compile-file-form-with-suppressed-warnings): New byte hunk
handler for the suppressed symbol machinery.
(byte-compile-suppressed-warnings): Ditto for the byteop.
(byte-compile-file-form-defmumble): Ditto.
(byte-compile-form, byte-compile-normal-call)
(byte-compile-normal-call, byte-compile-variable-ref)
(byte-compile-set-default, byte-compile-variable-set)
(byte-compile-function-form, byte-compile-set-default)
(byte-compile-warn-obsolete, byte-compile--declare-var): Pass the
symbol being warned in to byte-compile-warning-enabled-p.

* test/lisp/emacs-lisp/bytecomp-tests.el (test-suppression): New
function.
(bytecomp-test--with-suppressed-warnings): Tests.

Fix to previous commit

* find-dired.el (find-dired-sentinel): Check whether
find-dired-refine-function is non-nil.

Allow refining the *Find* buffer of find-dired. (Bug#29513)

* find-dired.el (find-dired-refine-function): New user variable.
(find-dired-sentinel): Use it.  Simplify.
(find-dired-sort-by-filename): New function.

Keep auto-revert-mode working when changing buffer file name (bug#36159)

* lisp/autorevert.el (after-set-visited-file-name-hook):
Add unconditionally.
(global-auto-revert-mode): Don't use
`after-set-visited-file-name-hook' here.
(auto-revert-set-visited-file-name): Rename from
`auto-revert--global-set-visited-file-name' and generalise.
* test/lisp/autorevert-tests.el (auto-revert-test06-write-file): New.

Minor fixes on tramp-tests.el for w32

* test/lisp/net/tramp-tests.el (tramp-test32-shell-command):
Ignore absence of tput.
(tramp-test43-asynchronous-requests): Don't start watchdog on w32.

Merge from origin/emacs-26

5ca093d (origin/emacs-26) Fix doc of 'display-buffer-in-previous-wind...
add2cac lisp/*.el: Minor docstring fixes

; Merge from origin/emacs-26

The following commit was skipped:

fdd1b3e Avoid assertion violation when comparing with main-thread