Hi all,
maybe this is a silly question, but I didn't find a point in the specs
where this is clearly explained:
The following notation on ADL:

ELEMENT[at0009] occurrences matches {0..1} matches { -- Pattern
 value matches {
DV_DURATION matches {
value matches {PYM}
 }
}
}

constraints the data to have a DV_DURATION element with both year and month
specified (both part are mandatory) or with year and/or month specified
(both part are optional)!?

Thanks
leo
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