EDTF Date doesn't accept L0 date range "1964/2008"

[kayakr]

According to https://www.loc.gov/standards/datetime/edtf.html L1 includes L0, and L0 Time Interval can be of format "1964/2008" but if I enter that value I get an error "Could not parse the date '1964/2008' Years must be at least 4 characters long."

[dannylamb]

@kayakr Thx so much for using the software and reporting issues. I owe you 🍻 if we ever meet IRL.

[seth-shaw-unlv]

@kayakr Can you check the field widget settings and confirm "Permit date intervals" is selected?
. This may be a case where we need to change the default settings to avoid confusion.

[kayakr]

@seth-shaw-unlv Ah, that widget setting wasn't enabled, thanks. I did check the Readme before posting (https://github.com/Islandora-CLAW/controlled_access_terms). I wonder if the readme could be updated: (a) rephrase or remove "EDTF was incorporated in ISO 8601-2019 with some modifications which will be supported in a future update." now that #995 has landed, and (b) mention the EDTF widget settings.

[seth-shaw-unlv]

Resolved via Islandora/controlled_access_terms/pull/25