[HAPI-devel] Peculiar parse of a valid HL7 message in TestPanel

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When using the HL7 message below, the TestPanel parses the message with 2
DG1 segments, the first being an empty node and the second containing the
actual data.  This is curious because a call to terser.get("/DG1-2") and
terser.get("/DG1-4") return nothing with this particular message.  I have
noticed that is doesn't just happen with the DG1 segments either.  I've seen
happen with the PV1 segments as well.

Any ideas/leads from an experienced hand?

Thanks,
Court

MSH|^~\&|ADM|SHM|ALL|ALL|200410271610||ADT^A05|ADM-HUB.1.48134|D|2.1

EVN|A05||||TWB

PID|1|Z4935|Z000004983||TESTSHM^TWB^^^^|NINETYNINE,AGENT|19621212|M|DANGER^N
ICK^^^^|1|7856 W EAST^^SPOKANE^WA^99208|SPO-WA|509 789-0978|509
474-3131||D|AG|Z00006154|890-23-4568

NK1|1|NOK MOM    |MO|4523 N SOUTH^^SPOKANE^WA^99205|890 123-4568

PV1|1|P|Z.7S^^|EL|||MABRO^Mabunga^Rogelio^^^^|NADDA^Nadig^Daniel^^^^||MEDN||
||A|||LABSY^Labes^Sylvia^^^^|IN||MSCV|||||||||||||||||||SHM||PRE|||200410281
610

IN1|1|MSC||MSC PREMERA|PO BOX 3048^^SPOKANE^WA^99220-3048||509
536-4500|||||20041201|20091203|||TESTSHM^TWB^^^^|SP||||||||||||||||||3216549
87|123456789

GT1|1||TESTSHM^TWB^^^^||7856 W EAST^^SPOKANE^WA^99208|509
789-0978|||||SP|890-23-4568||||SHMC|W 101 8TH, BOX TAC
F-9^^SPOKANE^WA^99220|509 474-3131||FT

DG1|1|TX||test a23

ZV1|^^^^|AALSUE^Aalgard^Sue^^^^|DABRA^Dabalos^Rodolfo^A^^^|||||PTN^DAD^^^^|F
A|7531 N SOUTH^^SPOKANE^WA^99203|758 632-4512|TESTER|TESTER|SACRED HEART
MEDICAL CENTER|W 101 8TH, BOX TAC F-9^^SPOKANE^WA^99220