FHIR-53847: Use SHALL instead of MUST for conformance language#89
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Replace RFC2119 MUST/MUST NOT with the HL7-preferred SHALL/SHALL NOT throughout the specification, and drop MUST/MUST NOT from the Conformance Language keyword list. No semantic change.
brynrhodes
approved these changes
Jun 10, 2026
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Replace RFC2119 MUST/MUST NOT with the HL7-preferred SHALL/SHALL NOT throughout the specification, and drop MUST/MUST NOT from the Conformance Language keyword list. No semantic change.
Fixes: https://jira.hl7.org/browse/FHIR-53847