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# $FreeBSD: releng/12.0/bin/sh/tests/expansion/plus-minus8.0 219623 2011-03-13 20:02:39Z jilles $
set -- 1 2 3 4 5 6 7 8 9 10 11 12 13
[ "${#+hi}" = hi ] || echo '${#+hi} wrong'
[ "${#-hi}" = 13 ] || echo '${#-hi} wrong'
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