escriptor is invalid, the effect of this 
      routine is undefined. The error *may* be diagnosed by routines 
      in the call tree of this routine, but there are no guarantees. 
 
   4) If `room' is non-positive, the error SPICE(VALUEOUTOFRANGE) 
      is signaled. 
 
   5) If `start' is less than 1 or greater than the number of plates 
      in the segment, the error SPICE(INDEXOUTOFRANGE) is signaled. 
 </PRE>
<h4><a name="Files">Files</a></h4>
<PRE>
 
   See input argument `handle'. 
 </PRE>
<h4><a n