From 399e86300d667b280a2708009a9036887e59a246 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.com>
Date: Fri, 1 Nov 2019 21:18:44 +1100
Subject: [PATCH] more version support

---
 .../main/java/org/hl7/fhir/utilities/VersionUtilities.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
index 926572232..0eb777fb8 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/VersionUtilities.java
@@ -91,4 +91,8 @@ public class VersionUtilities {
     return ver != null && ver.startsWith("1.0");
   }
 
+  public static boolean versionsCompatible(String v1, String v2) {
+    return v1.substring(0, 3).equals(v2.substring(0, 3));
+  }
+
 }