:type 'string
:group 'jka-compr)
-(defcustom jka-compr-verbose t
- "If non-nil, output messages whenever compressing or uncompressing files."
- :type 'boolean
- :group 'jka-compr)
-
(defvar jka-compr-use-shell
(not (memq system-type '(ms-dos windows-nt))))