(custom-mode): Use custom-documentation-face for doc strings.
(custom-group-link): Fix the help string.
(custom-magic-show): Doc fix.
(custom-group-value-create): In links style,
use Go to Group instead of Show.
(Custom-goto-parent): New command.
(custom-mode-map): Bind u to Custom-goto-parent.
Bind SPC and DEL.
(custom-buffer-create-internal): Improve help for buttons.
(custom-button-face): New defface.
(custom widget-type): Use custom-button-face for buttons.
(custom-group-tag-faces): Initial value is nil.
(custom-variable-tag-face): Renamed from custom-variable-sample-face.
Initialize it like custom-group-tag-face.
(custom-group-tag-faces): Initialize to nil.
(custom-state-face): New defface.
(custom-magic-value-create):
Use custom-state-face for long State descriptions.
(custom-state-buffer-message): Display the message
only if the item is modified. Take widget as arg.
(custom-mode): Use widget-edit-functions.
(Custom-save): Renamed from custom-save.
(custom-browse-sort-predicate): Defalias deleted.
(custom-group-value-create): Don't sort, in tree mode.
(Custom-mode-menu): Renamed from custom-mode-menu.
(Custom-reset-current): Renamed from custom-reset-current.
(Custom-reset-saved): Renamed from custom-reset-saved.
(Custom-reset-standard): Renamed from custom-reset-standard.
(Custom-menu-update): Renamed from custom-menu-update.
(customize-set-value): Renamed from custom-set-value.
(customize-set-variable): Renamed from custom-set-variable.
moved from wid-edit.el and renamed from group-visibility.
(custom-group-visibility-create): Function renamed
and moved from wid-edit.el.
(custom-state-buffer-message): New function.
(custom-mode): Add custom-state-buffer-message to widget-edit-hook.
(custom-group): Don't insert a space before the group name here.
(customize-group): If buffer exists, use it unchanged.
(custom-format-handler) <L>: Maybe make a group-link widget
instead of a group-visibility widget.
custom-nest-groups controls this.
<l, i, e>: Indent differently if custom-nest-groups.
(custom-buffer-create-internal): Put parent groups near the top.
(custom-format-handler) <L>: Use group-visibility.
<L, i, - cases>: Triple the indentation, use just 2 dashes.
(customize-variable): Add it as an alias.
(customize-option-other-window):
Renamed from customize-variable-other-window.
(custom-load-symbol): Search for both short and absolute
names of the library, when avoiding duplicate loading.
(custom-group-magic-alist): New variable.
(custom-group-state-update): Use custom-group-magic-alist.
(customize-group): Renamed from `customize',
and rename argument to GROUP.
(customize): New function.
