From 813a8507305ddb9258fb15178dc457c2a3ea4ee0 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.ccom>
Date: Sun, 19 Mar 2023 08:52:37 +1100
Subject: [PATCH] adjust mappings handling code generating diffs

---
 .../org/hl7/fhir/r5/conformance/profile/ProfileUtilities.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/conformance/profile/ProfileUtilities.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/conformance/profile/ProfileUtilities.java
index 9b216e802..be4e6a328 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/conformance/profile/ProfileUtilities.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/conformance/profile/ProfileUtilities.java
@@ -2350,7 +2350,9 @@ public class ProfileUtilities extends TranslatingUtilities {
       if (d.getIdentity().equals(s.getIdentity())) {
         switch (mappingMergeMode) {
         case APPEND:
-          d.setMap(d.getMap()+";"+s.getMap());
+          if (!Utilities.splitStrings(d.getMap(), "\\,").contains(s.getMap())) {
+            d.setMap(d.getMap()+","+s.getMap());
+          }
           return true;
         case DUPLICATE:
           return false;