 global and chunk
handles (instead of with an optr).</P>

<P>You can get into trouble if more than one thread of execution 
is accessing a single ChunkArray and one or both of these threads 
is using one of the ChunkArrayEnum...() routines.  The error-checking 
version of the kernel detects this situation and generates a 
CHUNK_ARRAY_ENUM_INSERT_OR_DELETE_RUN_BY_MULTIPLE_THREADS warning 
if it detects such.  If your code is getting this warning, you should 
add some synchronization between threads.  While o