15.19.1  DATA 

DELETE [ALL]
     [SETS=[FROM] n1 [TO] [n2]]
     [SELECT="name"]
     [POINTS=[FROM] n1 [TO] [n2]]
     [LIMITED [VLOG[=ON|OFF]] [[FROM]|TO [[X=]nx,[[Y=]ny[,[Z=]nz]]]
          [RECURSOR] [CURSOR] ]
     [CONFIRM[=ON|OFF]] [LOG[=ON|OFF]]

Deletes  the  specified  data points.  If all the points in a data set are
deleted, the entire set is deleted.  If an entire data set is deleted, all 
the  following  sets are renumbered.  You must specify either ALL, POINTS,
SETS or LIMITS.  POINTS or SETS may be combined with LIMITS to select only
certain  points  within a range.  For mesh data LIMITED and POINTS are not
legal options.