Variable: double-prefix-only
double-prefix-only is a customizable variable defined in double.el.gz.
Value
t
Documentation
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
but not C-u X or ESC X since the X is not the prefix key.
Source Code
;; Defined in /usr/src/emacs/lisp/double.el.gz
(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
but not `C-u X' or `ESC X' since the X is not the prefix key."
:type 'boolean)