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Works: Validation and format for 046 #1549
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ISO 8601 / EDTF should be the only acceptable form of dates, IMO. |
Weirdly enough, the MARC documentation reads
But without |
Linking to EDTF here for future reference: https://www.loc.gov/standards/datetime/ |
What should we do here? |
I would suggest to start validating (I prefer it with hyphens, I think it makes it more readable and for that reason less error prone) |
Maybe both $k and $l ? |
We have 046 in Works.
Works has: $k, $l, $z
We have proposed the same field for Sources: #1151
https://www.loc.gov/marc/authority/ad046.html
Since Works is of a smaller scale, we could start thinking about format and validation.
Here are some of the kinds of dates from MWV:
Single year: 1842
Questionable year(s): 1838? | 1830er Jahre?
Approximate dates: um 1825 oder später | um den 12. Mai 1820 | 1821, wohl August/September
Inexact dates: Herbst 1820 | Anfang Juli 1820
Single date with year, month, day: 21. September 1832
Single date with year, month: Juni 1836
Terminus ante quem: bis 1827 | vor 1821 | bis ca. Mitte Mai 1845 | 10. September 1824 oder früher | zum 14. Juli 1833
Terminus post quem: nach 9. Juni 1836 | nach 1830 | nach Januar 1826 | Oktober 1830 oder später
Date range: 1830-1844 | September 1835 bis 29. Oktober 1830 | zwischen 9. und 11. Mai 1820 | 16. Juni 1821 bis 18. August 1821 | 13./14. Juni 1830
Approximate date range: Ende Mai 1820/Anfang Juli 1820 | November/Dezember 1820 | Ende 1836 / 28. Februar 1837 | zweite Jahreshälfte 1819 bis spätestens Anfang 1820 | 1840er Jahre
How should we capture these? Generally I've been using $k and $l for year(s) and then the full date statement as in MWV in $z.
https://muscat.rism.info/admin/works/32476
=046 ##$k1827$z1. November 1827
https://muscat.rism.info/admin/works/42453
=046 ##$k1819$l1820$zZweite Jahreshälfte 1819 bis spätestens Anfang 1820
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