* fixed bug in which overallocated memory might have appended junk to   sequences.  This wasn't actually observed, but the change was made for caution.
* fixed bug in which overallocated memory might have appended junk to
  sequences.  This wasn't actually observed, but the change was made for caution.

unison/unison,unison/unison,unison/unison,unison/unison,unison/unison,unison/unison,unison/unison,unison/unison