Add support for detecting encoding in HTML5 specified only as
<meta charset="UTF-8">. Implementation just makes http-equiv and
content-type parts from HTML4 encoding string optional.
Fixes: debbugs:9716
src/bidi.c (bidi_get_type): Abort if we get zero as the bidi type of
a character.
admin/unidata/unidata-gen.el (unidata-prop-alist): Update the default
values of bidi-class according to DerivedBidiClass.txt from the
latest UCD.
lisp/international/uni-bidi.el: Regenerated.
doc/lispref/nonascii.texi (Character Properties): Document the values for
unassigned codepoints.
* lisp/international/characters.el: Add L and R categories.
* lisp/subr.el (bidi-string-mark-left-to-right): Rename from
string-mark-left-to-right. Use category search.
* lisp/buff-menu.el (Buffer-menu-buffer+size): Callers changed.
* lisp/wid-edit.el: Use lexical scoping and move towards completion-at-point.
(widget-complete): Use new :completion-function property.
(widget-completions-at-point): New function.
(default): Use :completion-function instead of :complete.
(widget-default-completions): Rename from widget-default-complete, rewrite.
(widget-string-complete, widget-file-complete, widget-color-complete):
Remove functions.
(file, symbol, function, variable, coding-system, color):
* lisp/international/mule-cmds.el (default-input-method, charset)
(language-info-custom-alist):
* lisp/cus-edit.el (face): Use new property :completions.
* lisp/progmodes/pascal.el (pascal-completions-at-point): New function.
(pascal-mode): Use it.
(pascal-mode-map): Use completion-at-point.
(pascal-toggle-completions): Make obsolete.
(pascal-complete-word, pascal-show-completions):
* lisp/progmodes/octave-mod.el (octave-complete-symbol):
Redefine as obsolete alias.
* lisp/progmodes/octave-inf.el (inferior-octave-completion-at-point):
Signal absence of completion info for old Octave,
(inferior-octave-complete): Redefine as obsolete alias.
* lisp/progmodes/meta-mode.el: Use lexical-binding and completion-at-point.
(meta-completions-at-point): Rename from meta-complete-symbol and
adapt it for use on completion-at-point-functions.
(meta-common-mode): Use it.
(meta-looking-at-backward, meta-match-buffer): Remove.
(meta-complete-symbol): Redefine as obsolete alias.
(meta-common-mode-map): Use completion-at-point.
* lisp/progmodes/make-mode.el: Use lexical-binding and completion-at-point.
(makefile-mode-map): Use completion-at-point.
(makefile-completions-at-point): Rename from makefile-complete and
adapt it for use on completion-at-point-functions.
(makefile-mode): Use it.
(makefile-complete): Redefine as obsolete alias.
* lisp/emacs-lisp/byte-run.el (make-obsolete-variable): New argument
`access-type' and new obsolescence format.
* lisp/emacs-lisp/bytecomp.el (byte-compile-warn-obsolete): Adjust to
new format.
(byte-compile-check-variable): New `access-type' argument.
Only warn if the access-type is obsolete.
(byte-compile-dynamic-variable-bind, byte-compile-variable-ref)
(byte-compile-variable-set): Adjust callers.
* lisp/help-fns.el (describe-variable): Adjust to new obsolescence format.
* lisp/mail/sendmail.el (mail-mailer-swallows-blank-line): Only mark
setting it as obsolete.
* lisp/simple.el (minibuffer-completing-symbol):
* lisp/font-lock.el (font-lock-beginning-of-syntax-function): Only mark read
access as obsolete.
* lisp/minibuffer.el (minibuffer-completing-file-name): Don't make it
obsolete yet.
* lisp/international/quail.el (quail-mouse-choose-completion): Remove unused
code referring to obsolete var.
(quail-choose-completion-string): Remove.
* lisp/server.el (server-clients-with, server-kill-buffer-query-function)
(server-kill-emacs-query-function): Silence "unused `proc'" warnings.
* lisp/proced.el (proced-send-signal):
* lisp/emacs-lisp/lisp.el (lisp-complete-symbol):
Replace completion-annotate-function with completion-extra-properties.
