-- card: 25731 from stack: in.01
-- bmap block id: 0
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-- background id: 3166
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-- part contents for background part 1
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 * function to fill a subset so that the entire database is in the
 *  valid region:
 *
 *  ("FILLSUBSET", subsetHandle)
 *  --  returns quietly with nothing if it successfully sets all bits
 *      in the subset flag array to one; beeps and gives an error msg
 *      if failure...
 *
 * function to produce the index window display and associated info
 *
 *  ("INDEX", wordNum, indexLines, maxIndexSampleCount, indexCountWidth,
 *    indexKeyWidth, keyFileRefNum, ptrFileRefNum, subsetHandle)
 *  --  returns with indexLines of index window display, followed by
 *      indexLines of instanceNums.  The index lines are:
 *      indexCountWidth columns of occurrence count info (right-justified),
 *      a blank column, and indexKeyWidth columns of keyWord (in all
 *      caps, left-justified).  Demand that indexCountWidth be at least
 *      5, to allow for subindex count display, and that indexKeyWidth
 *      be in the range 1 through KEY_LENGTH = 28 ...
 *