'help-function 'describe-character-set
'help-echo (purecopy "mouse-2, RET: describe this character set"))
-;; make some more ideosyncratic button types
+;; Make some more idiosyncratic button types.
(define-button-type 'help-symbol
:supertype 'help-xref
'help-function 'customize-create-theme
'help-echo (purecopy "mouse-2, RET: edit this theme file"))
\f
+;;;###autoload
(define-derived-mode help-mode special-mode "Help"
"Major mode for viewing help text and navigating references in it.
Entry to this mode runs the normal hook `help-mode-hook'.