Amendment number: definition says numerals, an example uses a letter

https://kerfors.github.io/usdm-overlay/id/finding/study-amendment-number-not-numerals

StudyAmendment.number is defined as "A string of numerals that uniquely identifies a protocol amendment." A published example uses a letter.

standing
For discussion: Rests on the published example files, which are not mature study definitions.
evidence
Example-observed
holds
true
observation
11 StudyAmendment.number values; not all digits: EliLilly_NCT03421379_Diabetes.json 'A'.
about
StudyAmendment
sources
https://github.com/cdisc-org/DDF-RA/blob/v4.0.0/Deliverables/CT/USDM_CT.xlsx
https://github.com/cdisc-org/DDF-RA/tree/v4.0.0/Documents/Examples

Test

Check function study_amendment_number_not_numerals in scripts/check_findings.py.