%
% is there a filespec
%
._MepSpec any?
{
%
% back-up the task tree
%
 Free.Changed?
 {
  "Fush" *persists
 } if
%
% save task tree as current mep for this
%
"Psv " log()
%
% mark tree as unchanged and save current contents
%
 Free.Unchanged
%
% stack: pep-spec
%
 Free.Save pop
%
% indicate the tree activity has ended
%
 empty .!active
} if