*********************
  loaddefs link  d_Qtest  'types nested/types nested- testOptrs.ndf'  
  +-----+
  Setup  (kind of like header info)
   ToDos  
  +-----+
  [typ, lay] tests for [nry, ndx, idx] :  
  +-----+
  nry compatibility with [ndx, itm, sub, slc] : 
  isLayNryNdx_testSimple  :=  -  
  isLayNrySub_testSimple  :=  - see if sub is in ary  (DON'T USE - use ndx1st)
  +-----+
  nry_[atm, itm, sub]_[,any]in : 
  nry_sub_in_testStd  :=  - returns list of Substr positions in Str, or an error  
  +-----+
  nry_[idx, itmShp, subShp, slc]_chkAppOp :