* lisp/emacs-lisp/edebug.el (edebug-inhibit-emacs-lisp-mode-bindings):
Rename from gud-inhibit-global-bindings.

* lisp/emacs-lisp/eieio.el (eieio-pre-method-execution-hooks): Doc fix.

* lisp/erc/erc-dcc.el (erc-dcc-chat-filter-functions): Rename from
erc-dcc-chat-filter-hook, since this is an abnormal hook.

* lisp/nxml/nxml-glyph.el (nxml-glyph-set-functions): Rename abnormal
hook from nxml-glyph-set-hook.

* lisp/progmodes/cwarn.el (cwarn-mode): Remove redundant variable
declaration.

* lisp/progmodes/pascal.el (pascal-toggle-completions): Doc fix.

* lisp/textmodes/bibtex.el (bibtex-string-file-path, bibtex-file-path):
Convert to defcustom.

* lisp/url/url-handlers.el (url-handler-regexp):
* lisp/url/url-nfs.el (url-nfs-automounter-directory-spec):
* lisp/url/url-vars.el (url-load-hook): Convert to defcustom.

* faces.el (set-face-attribute): Doc fix.
(modify-face): Don't use :bold and :italic.
(error, warning, success): Tweak definitions.

* cus-edit.el (custom-modified, custom-invalid, custom-rogue)
(custom-modified, custom-set, custom-changed, custom-themed)
(custom-saved, custom-button, custom-button-mouse)
(custom-button-pressed, custom-state, custom-comment-tag)
(custom-variable-tag, custom-group-tag-1, custom-group-tag)
(custom-group-subtitle): Use new-style face specs.
(custom-invalid-face, custom-rogue-face, custom-modified-face)
(custom-set-face, custom-changed-face, custom-saved-face)
(custom-button-face, custom-button-pressed-face)
(custom-documentation-face, custom-state-face)
(custom-comment-face, custom-comment-tag-face)
(custom-variable-tag-face, custom-variable-button-face)
(custom-face-tag-face, custom-group-tag-face-1)
(custom-group-tag-face): Remove obsolete face alias.

* epa.el (epa-validity-high, epa-validity-medium)
(epa-validity-low, epa-mark, epa-field-name, epa-string)
(epa-field-name, epa-field-body):
* font-lock.el (font-lock-comment-face, font-lock-string-face)
(font-lock-keyword-face, font-lock-builtin-face)
(font-lock-function-name-face, font-lock-variable-name-face)
(font-lock-type-face, font-lock-constant-face):
* ido.el (ido-first-match, ido-only-match, ido-subdir)
(ido-virtual, ido-indicator, ido-incomplete-regexp):
* speedbar.el (speedbar-button-face, speedbar-file-face)
(speedbar-directory-face, speedbar-tag-face)
(speedbar-selected-face, speedbar-highlight-face)
(speedbar-separator-face):
* whitespace.el (whitespace-newline, whitespace-space)
(whitespace-hspace, whitespace-tab, whitespace-trailing)
(whitespace-line, whitespace-space-before-tab)
(whitespace-space-after-tab, whitespace-indentation)
(whitespace-empty):
* emulation/cua-base.el (cua-global-mark):
* eshell/em-prompt.el (eshell-prompt):
* net/newst-plainview.el (newsticker-new-item-face)
(newsticker-old-item-face, newsticker-immortal-item-face)
(newsticker-obsolete-item-face, newsticker-date-face)
(newsticker-statistics-face, newsticker-default-face):
* net/newst-reader.el (newsticker-feed-face)
(newsticker-extra-face, newsticker-enclosure-face):
* net/newst-treeview.el (newsticker-treeview-face)
(newsticker-treeview-new-face, newsticker-treeview-old-face)
(newsticker-treeview-immortal-face)
(newsticker-treeview-obsolete-face)
(newsticker-treeview-selection-face):
* net/rcirc.el (rcirc-my-nick, rcirc-other-nick)
(rcirc-bright-nick, rcirc-server, rcirc-timestamp)
(rcirc-nick-in-message, rcirc-nick-in-message-full-line)
(rcirc-prompt, rcirc-track-keyword, rcirc-url, rcirc-keyword):
* nxml/nxml-outln.el (nxml-heading, nxml-outline-indicator)
(nxml-outline-active-indicator, nxml-outline-ellipsis):
* play/mpuz.el (mpuz-unsolved, mpuz-solved, mpuz-trivial)
(mpuz-text):
* progmodes/vera-mode.el (vera-font-lock-number)
(vera-font-lock-function, vera-font-lock-interface):
* textmodes/table.el (table-cell): Use new-style face specs, and
don't use the old :bold and :italic attributes.

* erc-button.el (erc-button):
* erc-goodies.el (erc-bold-face, erc-inverse-face)
(erc-underline-face, fg:erc-color-*):
* erc-match.el (erc-current-nick-face, erc-dangerous-host-face)
(erc-pal-face, erc-fool-face, erc-keyword-face):
* erc-stamp.el (erc-timestamp-face): Likewise.

* erc.el (erc-direct-msg-face, erc-header-line, erc-input-face)
(erc-command-indicator-face, erc-notice-face, erc-action-face)
(erc-error-face, erc-my-nick-face, erc-nick-default-face)
(erc-nick-msg-face): Use new-style face specs, and avoid :bold.

* progmodes/ebrowse.el (ebrowse-tree-mark, ebrowse-root-class)
(ebrowse-member-attribute, ebrowse-default, ebrowse-file-name)
(ebrowse-member-class, ebrowse-progress): Likewise.
(ebrowse-tree-mark-face, ebrowse-root-class-face)
(ebrowse-file-name-face, ebrowse-default-face)
(ebrowse-member-attribute-face, ebrowse-member-class-face)
(ebrowse-progress-face): Remove obsolete faces.

* progmodes/flymake.el (flymake-errline, flymake-warnline):
Inherit from error and warning faces respectively.

* textmodes/flyspell.el (flyspell-incorrect, flyspell-duplicate):
Likewise.
(flyspell-incorrect-face, flyspell-duplicate-face): Remove
obsolete aliases.

* display.texi (Face Attributes): Font family does not accept
wildcards.  De-document obsolete :bold and :italic attributes.
(Defining Faces): Use new-style face spec format.

* lisp/avoid.el (mouse-avoidance-mode): Mark unused arg.
  (mouse-avoidance-nudge-mouse): Remove unused binding.

* lisp/imenu.el (imenu-default-goto-function): Mark unused args.
  (imenu-progress-message): Remove obsolete macro; all callers changed.

* lisp/mouse.el (mouse-menu-major-mode-map):
* lisp/emacs-lisp/authors.el (authors-scan-change-log)
  (authors-add-to-author-list):
* lisp/emacs-lisp/avl-tree.el (avl-tree--enter-balance):
* lisp/emacs-lisp/smie.el (smie-auto-fill):
* lisp/mail/sendmail.el (mail-bury):
* lisp/mail/unrmail.el (unrmail):
* lisp/net/tls.el (open-tls-stream):
* lisp/textmodes/picture.el (picture-mouse-set-point):
  Remove unused bindings.

* lisp/subr.el (keymap-canonicalize): Remove unused binding.
  (read-passwd): Mark unused arg.

* lisp/tutorial.el (tutorial--display-changes): Remove unused binding.
  (tutorial--save-tutorial-to): Remove unused variable.

* lisp/emacs-lisp/package.el (define-package, package-menu-mark-delete)
  (package-menu-mark-install, package-menu-mark-unmark): Mark unused args.
  (package-generate-autoloads, package-menu--generate)
  (package-menu--find-upgrades): Remove unused bindings.

* lisp/emulation/cua-rect.el (cua-restrict-regexp-rectangle)
  (cua-restrict-prefix-rectangle): Doc fixes.  Remove unused bindings.
  (cua--mouse-ignore, cua--delete-rectangle, cua--extract-rectangle)
  (cua--indent-rectangle, cua-open-rectangle, cua-close-rectangle)
  (cua-blank-rectangle, cua-string-rectangle, cua-replace-in-rectangle)
  (cua-incr-rectangle, cua-sequence-rectangle, cua--convert-rectangle-as)
  (cua--rectangle-aux-replace, cua--left-fill-rectangle)
  (cua-scroll-rectangle-up, cua-scroll-rectangle-down)
  (cua-delete-char-rectangle): Mark unused args.
  (cua-align-rectangle): Remove unused binding.

* lisp/mail/rmail.el (compilation--message->loc)
  (epa--find-coding-system-for-mime-charset): Declare.

* lisp/net/dbus.el (dbus-register-service): Declare.
  (dbus-name-owner-changed-handler): Remove unused binding.

* lisp/nxml/nxml-mode.el (nxml-electric-slash, nxml-in-mixed-content-p)
  (nxml-compute-indent-from-matching-start-tag): Remove unused variables.
  (nxml-scan-backward-within): Mark unused arg.
  (nxml-dynamic-markup-word): Remove unused binding.

* lisp/nxml/nxml-mode.el (nxml-mode-map): Do not bind C-RET.
(nxml-completion-at-point-function): New function.
(nxml-mode): Use it.
(nxml-bind-meta-tab-to-complete-flag): Default to t.

Fixes: debbugs:6776