% TRIAL_CLOSE  Destroy the trial list returned by TRIAL_OPEN.
%   TRIAL_CLOSE(TRIAL_HANDLE)
%
%   TRIAL_HANDLE   -  the thing you got from TRIAL_OPEN
%
%   This call is REQUIRED after the last TRIAL_LOAD call.
%   The memory associated with TRIAL_HANDLE is freed and
%   TRIAL_HANDLE is marked as invalid in the callers workspace.
%
%   See also TRIAL_OPEN, TRIAL_LOAD, CNT_OPEN, CNT_LOAD, CNT_CLOSE.
%
% MPI of Cognitive Neuroscience Leipzig
% MPI/ANT(eeprobe@ant-software.nl) 1998
