Function: custom-check-theme
custom-check-theme is a byte-compiled function defined in
custom.el.gz.
Signature
(custom-check-theme THEME)
Documentation
Check whether THEME is valid, and signal an error if it is not.
Source Code
;; Defined in /usr/src/emacs/lisp/custom.el.gz
(defsubst custom-check-theme (theme)
"Check whether THEME is valid, and signal an error if it is not."
(unless (custom-theme-p theme)
(error "Unknown theme `%s'" theme)))