tooltip-gud-toggle-dereference
tooltip-gud-toggle-dereference is an alias for `gud-tooltip-dereference' in `gud.el
'.
(tooltip-gud-toggle-dereference &optional ARG)
This function is obsolete since 22.1;
use `gud-tooltip-dereference' instead.
Toggle whether tooltips should show `* expr' or `expr'.
With arg, dereference expr if ARG is positive, otherwise do not dereference.