testcover-potentially-1value-functions

testcover-potentially-1value-functions is a variable defined in `testcover.el'.
Its value is

(add-hook and beep or remove-hook unless when)

• This variable may be risky if used as a file-local variable.

Documentation:
Functions that are potentially 1-valued. No brown splotch if actually
1-valued, no error if actually multi-valued.

You can customize this variable.