(defcustom double-prefix-only t
"*Non-nil means that Double mode mapping only works for prefix keys.
-That is, for any key `X' in `double-map', `X' alone will be mapped
+That is, for any key `X' in `double-map', `X' alone will be mapped
but not `C-u X' or `ESC X' since the X is not the prefix key."
:group 'double
:type 'boolean)