-(defvar mime-setup-use-sc nil)
-(defvar mime-setup-use-signature t)
-(defvar mime-setup-default-signature-key "\C-c\C-s")
-(defvar mime-setup-signature-key-alist '((mail-mode . "\C-c\C-w")))
+(defvar mime-setup-use-sc nil
+ "If it is not nil, mime-setup requires sc-setup. [mime-setup.el]")
+
+(defvar mime-setup-use-signature t
+ "If it is not nil, mime-setup sets up to use signature.el.
+\[mime-setup.el]")
+
+(defvar mime-setup-default-signature-key "\C-c\C-s"
+ "*Key to insert signature. [mime-setup.el]")
+
+(defvar mime-setup-signature-key-alist '((mail-mode . "\C-c\C-w"))
+ "Alist of major-mode vs. key to insert signature. [mime-setup.el]")