Since GEDCOM v7.0 the datatype DateValue is supposed to have an optional subtag PHRASE.
Examples:
1 BIRT
2 DATE 11 MAR 1925
3 PHRASE 民國14年(歲次乙丑)2月17日
1 DEAT
2 DATE 29 MAR 1964
3 PHRASE Easter Sunday of 1964
1 EVEN
2 TYPE custom
2 DATE
3 PHRASE 5 January (year unknown)
This subtag is not yet supported by webtrees. I'm working on the required code changes.
Since GEDCOM v7.0 the datatype DateValue is supposed to have an optional subtag
PHRASE.Examples:
This subtag is not yet supported by webtrees. I'm working on the required code changes.