From 1e6fd76ace04b25b7792263de6cf1cc18f34b0cf Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.ccom>
Date: Tue, 31 Jan 2023 16:07:10 +1100
Subject: [PATCH] special case work around for old THO problem

---
 .../src/main/java/org/hl7/fhir/dstu3/model/Identifier.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/org.hl7.fhir.dstu3/src/main/java/org/hl7/fhir/dstu3/model/Identifier.java b/org.hl7.fhir.dstu3/src/main/java/org/hl7/fhir/dstu3/model/Identifier.java
index e3c112d13..95cbf20ca 100644
--- a/org.hl7.fhir.dstu3/src/main/java/org/hl7/fhir/dstu3/model/Identifier.java
+++ b/org.hl7.fhir.dstu3/src/main/java/org/hl7/fhir/dstu3/model/Identifier.java
@@ -129,7 +129,7 @@ public class Identifier extends Type implements ICompositeType {
   public static class IdentifierUseEnumFactory implements EnumFactory<IdentifierUse> {
     public IdentifierUse fromCode(String codeString) throws IllegalArgumentException {
       if (codeString == null || "".equals(codeString))
-            if (codeString == null || "".equals(codeString))
+            if (codeString == null || "".equals(codeString) || "?".equals(codeString))
                 return null;
         if ("usual".equals(codeString))
           return IdentifierUse.USUAL;