select-safe-coding-system-accept-default-p

select-safe-coding-system-accept-default-p is a variable defined in `mule-cmds.el'.
Its value is

nil

Documentation:
If non-nil, a function to control the behavior of coding system selection.
The meaning is the same as the argument ACCEPT-DEFAULT-P of the
function `select-safe-coding-system' (which see). This variable
overrides that argument.