(eq name 'changed)))))
(defun custom-available-themes ()
- "Return a list of available Custom themes (symbols)."
+ "Return a list of Custom themes available for loading.
+Search the directories specified by `custom-theme-load-path' for
+files named FOO-theme.el, and return a list of FOO symbols.
+
+The returned symbols may not correspond to themes that have been
+loaded, and no effort is made to check that the files contain
+valid Custom themes. For a list of loaded themes, check the
+variable `custom-known-themes'."
(let (sym themes)
(dolist (dir (custom-theme--load-path))
(when (file-directory-p dir)