* custom.el: Custom themes no longer use load-path.
(custom-theme-load-path): New option. Change built-in theme
directory to etc/.
(custom-enabled-themes): Add custom-theme-load-path dependency.
(custom-theme--load-path): New function.
(load-theme, custom-available-themes): Use it.
* cus-theme.el (describe-theme-1): Use custom-theme--load-path.
(customize-themes): Link to custom-theme-load-path variable.
* faces.el (face-spec-reset-face): Reset all attributes in one
single call to set-face-attribute.
(face-spec-match-p): Make it a defsubst.
(frame-set-background-mode): New arg KEEP-FACE-SPECS.
(x-create-frame-with-faces, tty-create-frame-with-faces)
(tty-set-up-initial-frame-faces): Don't recompute face specs in
frame-set-background-mode, since they are recomputed immediately
afterwards in face-set-after-frame-default.
(face-set-after-frame-default): Minor optimization.
(cursor): Provide non-trivial defface spec.
* custom.el (custom-theme-recalc-face): Simplify.
* lisp/cus-edit.el (custom--initialize-widget-variables): New function.
(Custom-mode): Use it.
* lisp/cus-face.el (custom-theme-set-faces): Remove dead code. Obey
custom--inhibit-theme-enable.
* lisp/cus-theme.el (describe-theme, customize-themes)
(custom-theme-save): New commands.
(custom-new-theme-mode-map): Bind C-x C-s.
(custom-new-theme-mode): Use custom--initialize-widget-variables.
(customize-create-theme): New optional arg THEME.
(custom-theme-revert): Use it.
(custom-theme-visit-theme): Remove dead code.
(custom-theme-merge-theme): Use custom-available-themes.
(custom-theme-write): Make interactive.
(custom-theme-write): Use custom-theme-name-valid-p.
(describe-theme-1, custom-theme-choose-revert)
(custom-theme-checkbox-toggle, custom-theme-selections-toggle):
New funs.
(custom-theme-allow-multiple-selections): New option.
(custom-theme-choose-mode): New major mode.
* lisp/custom.el (custom-theme-set-variables): Remove dead code. Obey
custom--inhibit-theme-enable.
(custom--inhibit-theme-enable): New var.
(provide-theme): Obey it.
(load-theme): Replace load with manual read/eval, in order to
check for correctness. Use custom-theme-name-valid-p.
(custom-theme-name-valid-p): New function.
(custom-available-themes): Use it.
* lisp/help-mode.el (help-theme-def, help-theme-edit): New buttons.
* cus-edit.el (custom-face-edit-fix-value): Use
custom-fix-face-spec.
* custom.el (custom-push-theme): Cleanup (use cond).
(disable-theme): Recompute the saved-face property.
(custom-theme-recalc-face): Follow face alias before setting prop.
* custom.el (custom-fix-face-spec): New function; code moved from
custom-face-edit-fix-value.
(custom-push-theme): Use it when checking if a face has been
changed outside customize.
(custom-available-themes): New function.
(load-theme): Use it.
* image.el (image-checkbox-checked, image-checkbox-unchecked): New
variables, containing checkbox images.
* startup.el (fancy-startup-tail):
* wid-edit.el (checkbox): Use them.
(custom-initialize-delay): New function.
* startup.el (command-line): "Re"evaluate all vars in
custom-delayed-init-variables. Don't reevaluate abbrev-file-name
explicitly any more.
* abbrev.el (abbrev-file-name): Use custom-initialize-delay
to avoid creating a ~/.emacs.d at build-time (bug#4347).
docstring.
(customize-package-emacs-version): Use cdr instead of cadr now that
alists use dotted pairs.
* custom.el (defcustom): Fix docstring for :package-version.
(defface, defgroup): Replace definitions of a select few keywords with
a reference to the Common Keywords in defcustom.
(defcustom, defface, defgroup): Replace reference to Customization
chapter in manual with hyperlink.
keyword.
(custom-add-package-version): New function. Sets value of new property
'custom-package-version from :package-version keyword.
* cus-edit.el (customize-package-emacs-version-alist): New variable.
(customize-changed-options): Add check for custom-package-version.
(customize-package-emacs-version): New function to look up Emacs
version corresponding to the given package version.
face-spec set so that `changed' theme is correctly saved.
(custom-face-reset-standard): Reset to recalculated face rather
than defface spec.
* custom.el (custom-push-theme): Only save `changed' theme if the
current face does not match the defface specs.
(custom-variable-menu, custom-face-menu, custom-group-menu)
(custom-buffer-create-internal): Change "Reset" to "Show".
Reorder menu items.
(custom-link): New face for Info links.
(custom-buffer-create-internal, custom-manual): Use it.
* wid-edit.el (widget-default-mouse-face-get): New function.
(widget-specify-button): Handle mouse-face like button-face.
* custom.el (load-theme): Clear old theme settings if reloading.
