* lisp/ido.el (ido-find-file): Doc fix (ido-toggle-vc not on any key).
Handle nil value of ido-completion-buffer.

* lisp/ido.el (ido-set-current-directory, ido-read-internal)
(ido-choose-completion-string, ido-completion-help): Handle nil
value of ido-completion-buffer.
* lisp/ido.el (ido-wide-find-dirs-or-files): Use file-name-absolute-p.
Remove * characters from the front of variable docstrings.
Convert more defvars to defcustoms.

* dos-w32.el (file-name-buffer-file-type-alist)
(direct-print-region-use-command-dot-com):
* ffap.el (ffap-menu-regexp):
* follow.el (follow-debug):
* forms.el (forms--debug):
* iswitchb.el (iswitchb-all-frames):
* ido.el (ido-all-frames):
* mail/feedmail.el (feedmail-mail-send-hook)
(feedmail-mail-send-hook-queued):
* mail/footnote.el (footnote-signature-separator):
* mail/mailabbrev.el (mail-alias-separator-string)
(mail-abbrev-mode-regexp):
* mail/rmail.el (rmail-speedbar-match-folder-regexp):
* progmodes/idlwave.el (idlwave-libinfo-file)
(idlwave-default-completion-case-is-down)
(idlwave-library-routines): Convert defvars to defcustoms.

* mail/rmail.el (rmail-decode-mime-charset):
* progmodes/idlw-shell.el (idlwave-shell-print-expression-function)
(idlwave-shell-fix-inserted-breaks)
(idlwave-shell-activate-alt-keybindings)
(idlwave-shell-use-breakpoint-glyph):
* facemenu.el (facemenu-unlisted-faces): Delete obsolete vars.

* doc/lispref/os.texi (Timers): Use defopt for timer-max-repeats.
Face cleanups. Remove some uses of old-style face spec and :bold/:italic.

* 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/ido.el (ido-find-file): Mention C-d binding in docstring.
* lisp/ido.el (ido-switch-buffer, ido-find-file): Fix up doc of C-j.
Prefer typical American spelling for "acknowledgment".