Details
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Change Request
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Resolution: Persuasive
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Very High
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FHIR Core (FHIR)
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R4
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FHIR Infrastructure
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ElementDefinition
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Grahame Grieve / Gino Canessa: 11-0-0
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Clarification
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Compatible, substantive
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R5
Description
At present the specification isn't explicit what it means that if min = 0 and a fixed or pattern value is provided. We should clarify that if min = 0, the fixed or pattern value only applies if the element is present.
SeeĀ https://chat.fhir.org/#narrow/stream/179177-conformance/topic/fixed.2Fpattern.20on.20min.20.3D.200