Fix byte-compiler warnings about looking-back.

* lisp/vc/log-view.el (log-view-end-of-defun-1):
* lisp/textmodes/tex-mode.el (latex-forward-sexp-1):
* lisp/textmodes/reftex-ref.el (reftex-goto-label):
* lisp/textmodes/bibtex.el (bibtex-insert-kill):
* lisp/progmodes/sh-script.el (sh--maybe-here-document):
* lisp/progmodes/ruby-mode.el (ruby-end-of-defun):
* lisp/progmodes/ada-mode.el (ada-in-numeric-literal-p):
* lisp/org/org.el (org-insert-heading, org-sort-entries):
* lisp/org/org-mouse.el (org-mouse-end-headline)
(org-mouse-context-menu):
* lisp/org/org-clock.el (org-clock-cancel):
* lisp/man.el (Man-default-man-entry):
* lisp/mail/rmail.el (rmail-get-new-mail, rmail-insert-inbox-text)
(rmail-ensure-blank-line):
* lisp/mail/footnote.el (Footnote-delete-footnote):
* lisp/mail/emacsbug.el (report-emacs-bug):
* lisp/info.el (Info-follow-reference, Info-fontify-node):
* lisp/info-look.el (info-lookup-guess-custom-symbol):
* lisp/help-fns.el (help-fns--key-bindings):
* lisp/files.el (hack-local-variables):
* lisp/emulation/viper-ex.el (viper-get-ex-token, ex-cmd-complete)
(viper-get-ex-pat, ex-expand-filsyms, viper-get-ex-file)
(viper-complete-filename-or-exit):
* lisp/emulation/viper-cmd.el (viper-backward-indent):
* lisp/emacs-lisp/lisp-mode.el (calculate-lisp-indent):
* lisp/emacs-lisp/elint.el (elint-get-top-forms):
* lisp/cus-edit.el (custom-face-edit-value-create):
* lisp/calendar/todo-mode.el (todo-set-item-priority)
(todo-filter-items-1, todo-convert-legacy-files)
(todo-prefix-overlays): Add explicit second arg to looking-back.

Avoid non-nil current-load-list at startup

* src/process.c (init_process_emacs): Move Fprovide statement...
(syms_of_process): ... to here.

* lisp/loadup.el (custom-current-group-alist): Reset before dumping.

* lisp/startup.el (command-line) <site-run-file>: Avoid rogue value in emacs -Q.

; * lisp/loadup.el: Comment.

* lisp/loadup.el (exec-path): Avoid storing build-time PATH in binary.

Fixes: debbugs:20330

* lisp/cus-start.el (exec-path): Set standard value, to avoid rogue.

Tweak exec-path in uninstalled case

* src/callproc.c (init_callproc): If running uninstalled, do not
include eventual installation libexec directory in exec-path.

* lisp/emacs-lisp/package.el: Filter by multiple keywords and cache keywords

(package-menu-filter): Accept a list of keywords.

(package--all-keywords): New variable to cache known keywords.
(package-all-keywords): Populate it if necessary.
(package-refresh-contents): Reset it.

* lisp/emacs-lisp/package.el: Make archive and status pseudo-keywords

(package--has-keyword-p): Understand "arc:xxxx" and "status:xxxx"
as special keywords which match agains package archive and status
respectively.

* etc/NEWS: Document it.

Describe and index "empty overlays".

* doc/lispref/display.texi (Overlays): Improve indexing.
(Managing Overlays): Describe "empty" overlays.
(Overlay Properties, Finding Overlays): Add cross-reference to
where empty overlays are described.

Spelling fixes

Quote 'like this' in top-level files

* CONTRIBUTE, INSTALL, Makefile.in, README, configure.ac, make-dist:
Prefer to single-quote 'like this' (instead of the older style
`like this').
* configure.ac: Fix some space-before-tab problems that 'git commit'
complained about.

Use bool for boolean in textprop.c, undo.c

* src/textprop.c (soft, hard): Now constants instead of macros.
(validate_plist): Rewrite to avoid need for boolean local.
(interval_has_all_properties, interval_has_some_properties)
(interval_has_some_properties_list, add_properties)
(remove_properties, get_char_property_and_overlay)
(Fnext_single_char_property_change)
(Fprevious_single_char_property_change, add_text_properties_1)
(Fremove_text_properties, Fremove_list_of_text_properties)
(copy_text_properties):
* src/tparam.c (tparam1):
* src/undo.c (record_change, record_property_change)
(syms_of_undo):
Use 'true' and 'false' for booleans.

Call `smerge-start-session' even when dealing with a stash conflict

* lisp/vc/vc-git.el (vc-git-find-file-hook):
Call `smerge-start-session' even when dealing with a stash
conflict (bug#20292).

; * etc/NEWS: Add "+++" to eshell entry.

Add option to eshell/clear to clear scrollback.

* lisp/eshell/esh-mode.el (eshell/clear-scrollback): New function.
(eshell/clear): Add an optional SCROLLBACK argument. If non-nil,
scrollback contents are cleared.

* etc/NEWS: Describe change.

* doc/misc/eshell.texi: Add entry for `clear'.

* src/widget.c (set_frame_size): Prefer 'int' to 'unsigned'

where either will do.

Assume package archive-contents are UTF8-encoded

* lisp/emacs-lisp/package.el (package--read-archive-file):
Set `coding-system-for-read' explicitly to 'utf-8 when reading the
downloaded and cached archive-contents files, so that non-ASCII
characters in package descriptions are displayed correctly in the
`list-packages' menu. (Bug#20231)

Co-authored-by: Steve Purcell <steve@sanityinc.com>

Abort when looking at stashed changes

* lisp/vc/vc-git.el (vc-git-find-file-hook): Abort when looking at
stashed changes (bug#20292).

Refactor low-level printing for simplicity

* src/print.c (PRINTDECLARE): Remove.  Move its contents into
PRINTPREPARE; doable now that we assume C99.  All callers changed.
(PRINTCHAR): Remove, as it adds more mystery than clarity.
All callers changed.
(strout): Assume that caller computes length.  All callers changed.
(print_c_string): New function.
(write_string, write_string_1): Compute length instead of asking
the caller to compute it.  All callers changed.
(write_string): Simplify by using write_string_1.
(write_string_1): Simplify by using print_c_string.
(Fterpri): Compute default val more clearly.
(Fprin1_to_string, print_object):
Assume C99 to avoid unnecessary nesting.
(print_object): Prefer print_c_string to multiple printchar, or
to calling strout with -1 length.  Coalesce into sprintf when
this is easy.

; Fix more-recent commit messages too

; make change-history-commit

; Convert ChangeLog history files to "Bug#NNNN"

Prefer "Bug#1234" in commit messages

* .dir-locals.el (log-edit-mode): Don't rewrite Bug#,
as this isn't useful for Git.
* CONTRIBUTE: Suggest "Bug#1234" instead of "Fixes: debbugs:1234".

* lisp/files.el (auto-mode-alist): Use conf mode for gitconfig, hgrc.

Fixes: debbugs:19506

* lisp/elec-pair.el (electric-pair-post-self-insert-function): Do not use `chomp' as a function.

Fixes: debbugs:19505
Copyright-paperwork-exempt: yes

* lisp/net/browse-url.el (browse-url, browse-url-at-point): Doc fixes.

* doc/emacs/misc.texi (Sorting): Small edit.

Fixes: debbugs:19896

* admin/admin.el (make-manuals): Add emacs-xtra in pdf and ps.

; * admin/make-tarball.txt: Misc updates.

css-mode.el: Support multi-line comment filling

Fixes: debbugs:20256
* lisp/textmodes/css-mode.el (css-fill-paragraph): Support multi-line
comment filling.
(css-adaptive-fill): New function.
(css-mode): Set `adaptive-fill-function'.
(scss-mode): Set `comment-continue'.

* lisp/emacs-lisp/seq.el (seq-concatenate, seq-into): Better error messages.

; ChangeLog fix

Minor improvements in Bulgarian input methods

* lisp/leim/quail/cyrillic.el (bulgarian-phonetic, bulgarian-bds):
Replace U+042C with U+045D, as the former character is not used in
the modern Bulgarian language.

Fixes: Bug#20350
Copyright-paperwork-exempt: yes

Improve EUDC manual

* eudc.texi (LDAP Configuration): Mention simple and SASL
authentication schemes.  Add index items.  Shorten example server
name.

Don't show both feature and function with the same name

* lisp/progmodes/elisp-mode.el (elisp--xref-identifier-location):
Don't show both feature and function with the same name.

(elisp--xref-identifier-location): Skip variable, if it's also a functiong

* lisp/progmodes/elisp-mode.el (elisp--xref-identifier-location):
Avoid returning both the variable and the function for the same
minor mode.

Fix fontification of keywords clobbered by the prompt.

* lisp/comint.el (comint-output-filter): Remove the uses of
with-silent-modifications I introduced as part of the last change.

This fixes, e.g., erratically missing highlighting when running
./configure --help; ./configure in a shell-mode buffer with
compilation-shell-minor-mode turned on.

; ChangeLog fixes

* admin/authors.el (authors-valid-file-names, authors-renamed-files-alist): Additions.

; ChangeLog fixes

* lisp/indent.el (indent-region): Don't deactivate the mark

Fixes: debbugs:20357

lisp/net/rcirc.el (defun-rcirc-command): mark `target' as ignorable

* lisp/progmodes/xref.el (xref-push-marker-stack): Add optional arg.

* lisp/erc/erc-pcomplete.el (erc-pcomplete): Don't use `pcomplete' any more.

; Add missing "(tiny change)"

; make change-history-commit

* admin/authors.el (authors-lax-changelogs): Update for erc changes.

; Split lisp/erc ChangeLogs, for the sake of authors.el

This turns the old 0.1..0.8 files into ChangeLog.1,
and the old ChangeLog file into ChangeLog.2.

Don't link with -ljpeg on MS-Windows, to avoid dependency on DLL

* configure.ac (LIBJPEG): Leave it empty for MinGW.

* lisp/replace.el (query-replace-from-to-separator): Delay initialization

to avoid rogue setting after startup.

; CONTRIBUTE: Further updates

* Better explanation of commit message vs ChangeLog distinction.

* Fix the name of the ChangeLog make task.

* Make instructions WRT NEWS, etc, ChangeLog entries clearer.

Fixes: debbugs:20328

Pre-4.6 GCC succeeds with unknown option

* configure.ac (emacs_cv_prog_cc_nopie): Port to pre-4.6 GCC.
Fixes: bug#20338

'[:graph:]' now excludes whitespace, not just ' '

* doc/lispref/searching.texi (Char Classes):
* lisp/emacs-lisp/rx.el (rx): Document [:graph:] to be [:print:]
sans whitespace (not sans space).
* src/character.c (graphicp): Exclude all Unicode whitespace chars,
not just space.
* src/regex.c (ISGRAPH): Exclude U+00A0 (NO-BREAK SPACE).

(looking-back): Make the second arg non-optional.

* lisp/subr.el (substitute-key-definition-key, special-form-p)
(macrop): Drop deprecated second arg to indirect-function.
(looking-back): Make the second arg non-optional.

* lisp/org/org-clock.el (org-x11idle-exists-p): Be honest about which

command is actually sent to the shell.

Port jpeg configuration to Solaris 10 with Sun C

* configure.ac: Check for jpeglib 6b by trying to link it, instead
of relying on cpp magic that has problems in practice.  Check for
both jpeglib.h and jerror.h features.  Remove special case for
mingw32, which should no longer be needed (and if it were needed,
should now be addressable by hotwiring emacs_cv_jpeglib).
Fixes: bug#20332

Move some Elisp-specific code from lisp-mode.el to elisp-mode.el

* lisp/emacs-lisp/lisp-mode.el (lisp--el-font-lock-flush-elisp-buffers):
Move to elisp-mode.el.
(lisp-mode-variables): (Re)move elisp-specific settings.

* lisp/progmodes/elisp-mode.el (emacs-lisp-mode): Add settings removed
from lisp-mode-variables.
(elisp--font-lock-flush-elisp-buffers): New function, moved from
lisp-mode.el.

* lisp/emacs-lisp/lisp-mode.el (lisp--el-non-funcall-position-p):

Avoid pathological slowdown at top-level in large file.

; Auto-commit of loaddefs files.

Standardize names of ChangeLog history files

Suggested by Glenn Morris in:
http://lists.gnu.org/archive/html/emacs-devel/2015-04/msg00678.html
* Makefile.in (install-man): Don't treat ChangeLog.1 as a man page.
* doc/man/ChangeLog.1: Rename back from doc/man/ChangeLog.01.
* lisp/erc/ChangeLog.1: New file, containing the old contents of ...
* lisp/erc/ChangeLog.01, lisp/erc/ChangeLog.02, lisp/erc/ChangeLog.03:
* lisp/erc/ChangeLog.04, lisp/erc/ChangeLog.05, lisp/erc/ChangeLog.06:
* lisp/erc/ChangeLog.07, lisp/erc/ChangeLog.08, lisp/erc/ChangeLog.09:
Remove.

Split top-level entries into pre- and post-April 7

This more clearly distingiushes pre-April-7 ChangeLog entries (which
are for top-level files only) from post-April-7 entries (which are
about files at all levels.  Problem reported by Glenn Morris in:
http://lists.gnu.org/archive/html/emacs-devel/2015-04/msg00678.html
* ChangeLog.1: Move post-April-7 entries from here ...
* ChangeLog.2: ... to this new file.
* Makefile.in (CHANGELOG_HISTORY_INDEX_MAX): Bump to 2.

Fix recent cus-start changes that added customize-rogues

* lisp/cus-start.el (custom-delayed-init-variables): Initialize the
vars early.
* lisp/loadup.el ("cus-start"): Move to the end to reduce customize-rogue.

; * etc/NEWS: Add missing system-type entry.

Define cl-concatenate as an alias to seq-concatenate

* lisp/emacs-lisp/cl-extra.el (cl-concatenate): Removes duplicated
  code by making cl-concatenate an alias to seq-concatenate.

* src/lread.c (intern_1): Make sure we'd find the symbol we add

Fixes: debbugs:20334
* src/xfaces.c (resolve_face_name): Don't use `intern' with Lisp_Strings.

* doc/lispref/sequences.texi (Sequence Functions): Fix typo in previous.

Clean up gnus-uu saving code slightly

* gnus-uu.el (gnus-uu-save-article): Make the
save-restriction/widen calls make more sense.

Make [:graph:] act like [:print:] sans space

In POSIX [[:print:]] is equivalent to [ [:graph:]], so change
[:graph:] so that it matches everything that [:print:] does,
except for space.
* doc/lispref/searching.texi (Char Classes):
* etc/NEWS:
* lisp/emacs-lisp/rx.el (rx):
Document [:graph:] to be [:print:] sans ' '.
* src/character.c, src/character.h (graphicp): New function.
* src/regex.c (ISGRAPH) [emacs]: Use it.
(BIT_GRAPH): New macro.
(BIT_PRINT): Increase to 0x200, to make room for BIT_GRAPH.
(re_wctype_to_bit) [! WIDE_CHAR_SUPPORT]:
Return BIT_GRAPH for RECC_GRAPH.
(re_match_2_internal) [emacs]: Use ISGRAPH if BIT_GRAPH,
and ISPRINT if BIT_PRINT.

automated/eieio-test-methodinvoke.el (make-instance) <(subclass C)>:

Don't use call-next-method in a cl-defmethod.

* lisp/emacs-lisp/eieio-core.el (eieio--class): Derive from cl--class

(eieio--class-p): Remove, provided by cl-defstruct.

Add seq-intersection and seq-difference to the seq library

* lisp/emacs-lisp/seq.el (seq-intersection, seq-difference): New
functions.

* test/automated/seq-tests.el: Add tests for seq-intersection and
seq-difference.

* doc/lispref/sequences.texi: Add documentation for seq-intersection
and seq-difference.

; CONTRIBUTE: Update the "make the ChangeLog entry in their name" bit

Fixes: debbugs:20328

; CONTRIBUTE: Remove the "relax this rule for commit messages" bit

Fixes: debbugs:20328

; Set indent-tabs-mode to nil in (most) Elisp sources

Fixes: bug#20323

* eieio-core.el (class-abstract-p): Don't inline, to avoid leaking internals

package--ensure-init-file: widen requires save-restriction

Improve the commit-msg Git hook for unibyte environments

* build-aux/git-hooks/commit-msg: Set LC_ALL=C, before running Awk
in unibyte environments.  (Suggested by Paul Eggert
<eggert@cs.ucla.edu>.)  Use a more accurate approximation to
[:print:], based on UTF-8 sequences of the unprintable characters.

Describe problems with cursor caused by Windows Magnifier

* etc/PROBLEMS: Describe the problem with cursor shape on
MS-Windows due to Windows Magnifier.

Fixes: Bug#20271

Make [:print:] support non-ASCII characters correctly

* src/regex.c (ISPRINT): Call 'printablep' for multibyte characters.
(BIT_PRINT): New bit mask.
(re_wctype_to_bit): Return BIT_PRINT for RECC_PRINT.
* src/character.c (printablep): New function.
* src/character.h (printablep): Add prototype.

* lisp/emacs-lisp/rx.el (rx): Doc fix: document the new behavior
of 'print', 'alnum', and 'alphabetic'.

* doc/lispref/searching.texi (Char Classes): Document the new
behavior of [:print:].

* etc/NEWS: Mention the new behavior of [:print:].

Assign correct general-category and names to surrogates

* admin/unidata/unidata-gen.el (unidata-setup-list): Don't ignore
surrogates.  This avoids assigning them the default
general-category of 'Cn', i.e. unassigned codepoints.
(unidata-get-name): Give surrogates synthetic names.

Assume C89 offsetof in xterm.c, xlwmenu.c

* lwlib/xlwmenu.c (offset):
* src/xterm.c (cvt_string_to_pixel_args):
Use offsetof, not XtOffset.

Assume C89 offsetof in widget.c

* src/widget.c (XtOffset): Remove; no longer needed.
(offset): Implement via offsetof instead of via pre-C89 XtOffset hack.

Fix think-o in previous patch

* src/window.c (count_windows, get_leaf_windows):
Don't optimize count_windows incorrectly.

Avoid some int overflows in window.c

* src/print.c (print_object):
* src/window.c (sequence_number):
* src/window.h (struct window.sequence_number):
Don't assume window sequence number fits in int.
* src/window.c (window_select_count):
* src/window.h (struct window.use_time, window_select_count):
Don't assume window use time fits in int.
* src/window.c (Fsplit_window_internal):
Don't assume user-supplied integer, or sum, fits in int.
(Fset_window_configuration, count_windows, get_leaf_windows)
(save_window_save, Fcurrent_window_configuration):
Use ptrdiff_t for object counts.
(Fset_window_configuration): Omit unused local 'n'.
(count_windows): Simplify by writing in terms of get_leaf_windows.
(get_leaf_windows): Don't store through FLAT if it's null.
(extract_dimension): New static function.
(set_window_margins, set_window_fringes, set_window_scroll_bars):
Use it to avoid undefined behavior when converting user-supplied
integer to 'int'.

Minor doc copyedits

* doc/emacs/custom.texi (Init Examples): Tweak example, replace typo.

* doc/lispintro/emacs-lisp-intro.texi (condition-case): Typo fix.

[Gnus] Catch the invalid-operation that idna.el will issue

* lisp/gnus/gnus-art.el (gnus-use-idna):
* lisp/gnus/gnus-sum.el (gnus-summary-idna-message):
* lisp/gnus/message.el (message-use-idna):
Catch the invalid-operation that idna.el will issue.

* doc/lispref/processes.texi (Shell Arguments): Prefer diff -u.

package--ensure-init-file: widen before looking for "(package-initialize)"

Change diff-switches default to `-u'

Fixes: debbugs:20290
* doc/emacs/files.texi (Comparing Files): Document the new default
value of `diff-switches'.

* doc/emacs/trouble.texi (Sending Patches): Document the preference
for unified diff format.  Escape the plus in the suggested `-F' regexp
value.

* lisp/vc/diff.el (diff-switches): Change the default to `-u'.

(gnus-group--setup-tool-bar-update): Fix last change

* lisp/gnus/gnus-group.el (gnus-group--setup-tool-bar-update):
cursor-sensor-functions should be a list of functions.

Use gmm-called-interactively-p in Gnus

* lisp/gnus/gnus-topic.el (gnus-topic-mode): Use gmm-called-interactively-p.

* lisp/loadup.el ("cus-start"): Load it after loaddefs.el

Fixes: debbugs:20321
* lisp/cus-start.el (read-buffer-function): Don't advertize
iswitchb-read-buffer any more.
(iswitchb): Don't tweak this obsolete group any more.

* lisp/emacs-lisp/package.el: Fix package--ensure-init-file

* lisp/emacs-lisp/cl-macs.el (cl-defstruct): Implement docstrings

Adding a string after a constructor's argument list will use
that string as the constructor function docstring.  If this string
is absent but the struct itself was given a docstring, use that as
the constructor's docstring.

Fixes (bug#17284).

Deprecate `intangible' and `point-entered' properties

* lisp/emacs-lisp/cursor-sensor.el: New file.

* lisp/simple.el (pre-redisplay-functions): New hook.
(redisplay--pre-redisplay-functions): New function.
(pre-redisplay-function): Use it.
(minibuffer-avoid-prompt): Mark obsolete.
(redisplay--update-region-highlight): Adapt it to work as a function on
pre-redisplay-functions.

* lisp/cus-start.el (minibuffer-prompt-properties--setter): New fun.
(minibuffer-prompt-properties): Use it.  Use cursor-intangible rather
than point-entered to make the prompt intangible.

* lisp/forms.el: Move `provide' calls to the end.
(forms-mode): Don't use `run-hooks' on a local var.
(forms--make-format, forms--make-format-elt-using-text-properties):
Use cursor-intangible rather than `intangible'.
(forms-mode): Enable cursor-intangible-mode.

* lisp/isearch.el (isearch-mode): Use defvar-local.
(cursor-sensor-inhibit): Declare.
(isearch-mode): Set cursor-sensor-inhibit.
(isearch-done): Set it back.
(isearch-open-overlay-temporary, isearch-open-necessary-overlays)
(isearch-close-unnecessary-overlays): Don't bother with `intangible'
any more.

* lisp/ses.el (ses-localvars): Remove `mode-line-process'.
(ses-sym-rowcol, ses-cell-value, ses-col-width, ses-col-printer):
Add Edebug spec.
(ses-goto-print, ses-print-cell, ses-adjust-print-width)
(ses-goto-data, ses-setup, ses-copy-region): Don't let-bind
inhibit-point-motion-hooks any more.
(ses--cell-at-pos, ses--curcell): New functions, extracted from
ses-set-curcell.
(ses-set-curcell): Use them.
(ses-print-cell, ses-setup): Use cursor-intangible instead of
`intangible'.  Make sure cursor-intangible isn't sticky at BOB.
(ses-print-cell-new-width, ses-reprint-all, ses-recalculate-all):
Use ses--cell-at-pos.
(ses--mode-line-process, ses--cursor-sensor-highlight): New functions,
extracted from ses-command-hook.  Make them work with multiple windows
displaying the same buffer.
(ses-mode): Use them via mode-line-process and pre-redisplay-functions.
Enable cursor-intangible-mode.
(ses-command-hook): Remove cell highlight and mode-line update code.
(ses-forward-or-insert, ses-copy-region-helper, ses-sort-column):
Update for new name of text-property holding the cell name.
(ses-rename-cell): Don't mess with mode-line-process.

* lisp/erc/erc-stamp.el (erc-add-timestamp): Use the new
cursor-sensor-functions property instead of point-entered.
(erc-insert-timestamp-right, erc-format-timestamp):
Use cursor-intangible rather than `intangible'.
(erc-munge-invisibility-spec): Use add-to-invisibility-spec and
remove-from-invisibility-spec.  Enable cursor-intangible-mode and
cursor-sensor-mode if needed.
(erc-echo-timestamp): Adapt to calling convention of
cursor-sensor-functions.
(erc-insert-timestamp-right): Remove unused vars `current-window' and
`indent'.

* lisp/gnus/gnus-group.el (gnus-tmp-*): Declare.
(gnus-update-group-mark-positions): Remove unused `topic' var.
(gnus-group-insert-group-line): Remove unused var `header'.
(gnus-group--setup-tool-bar-update): New function.
(gnus-group-insert-group-line): Use it.
(gnus-group-update-eval-form): Declare local
dynamically-bound variables.
(gnus-group-unsubscribe-group): Use \` and \' to match string bounds.

* lisp/gnus/gnus-topic.el (gnus-topic-jump-to-topic)
(gnus-group-prepare-topics, gnus-topic-update-topic)
(gnus-topic-change-level, gnus-topic-catchup-articles)
(gnus-topic-remove-group, gnus-topic-delete, gnus-topic-indent):
Use inhibit-read-only.
(gnus-topic-prepare-topic): Use gnus-group--setup-tool-bar-update.
(gnus-topic-mode): Use define-minor-mode and derived-mode-p.

* lisp/textmodes/reftex-index.el (reftex-display-index):
Use cursor-intangible-mode if available.
(reftex-index-post-command-hook): Check cursor-intangible.

* lisp/textmodes/reftex-toc.el (reftex-toc):
Use cursor-intangible-mode if available.
(reftex-toc-recenter, reftex-toc-post-command-hook):
Check cursor-intangible.

* lisp/textmodes/sgml-mode.el: Use lexical-binding.
(sgml-tag): Use cursor-sensor-functions instead of point-entered.
(sgml-tags-invisible): Use with-silent-modifications and
inhibit-read-only.  Enable cursor-sensor-mode.
(sgml-cursor-sensor): Rename from sgml-point-entered and adjust to
calling convention of cursor-sensor-functions.

* lisp/textmodes/table.el (table-cell-map-hook, table-load-hook)
(table-point-entered-cell-hook, table-point-left-cell-hook):
Don't autoload.
(table-cell-entered-state): Remove var.
(table--put-cell-point-entered/left-property)
(table--remove-cell-properties):
Use cursor-sensor-functions rather than point-entered/left.
(table--point-entered/left-cell-function): Merge
table--point-entered-cell-function and table--point-left-cell-function
and adjust to calling convention of cursor-sensor-functions.

Update ldef-boots.el

* lisp/emacs-lisp/pcase.el (pcase-dolist): Autoload as well.

* doc/misc/eieio.texi: Don't advertize now obsolete constructs