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 3864901c3..9b32e57e4 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
@@ -3906,5 +3906,13 @@ public class ProfileUtilities extends TranslatingUtilities {
     this.allowUnknownProfile = allowUnknownProfile;
   }
 
+  public static boolean isSimpleExtension(StructureDefinition sd) {
+    if (!isExtensionDefinition(sd)) {
+      return false;
+    }
+    ElementDefinition value = sd.getSnapshot().getElementByPath("Extension.value");
+    return value != null && !value.isProhibited();
+  }
+
   
 }
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/FmlParser.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/FmlParser.java
index a36c7a3c9..463264666 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/FmlParser.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/elementmodel/FmlParser.java
@@ -83,8 +83,14 @@ public class FmlParser extends ParserBase {
       if (!result.hasChild("status")) {
         result.makeElement("status").setValue("draft");
       }
+      if (!result.hasChild("id") && result.hasChild("name")) {
+        String id = Utilities.makeId(result.getChildValue("name"));
+        if (!Utilities.noString(id)) {
+          result.makeElement("id").setValue(id);
+        }
+      }
       if (!result.hasChild("description") && result.hasChild("title")) {
-        result.makeElement("description").setValue(result.getChildValue("title"));
+        result.makeElement("description").setValue(Utilities.makeId(result.getChildValue("title")));
       }
       
       while (lexer.hasToken("conceptmap"))
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/StructureDefinition.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/StructureDefinition.java
index 912ae8444..0861ad248 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/StructureDefinition.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/model/StructureDefinition.java
@@ -1234,8 +1234,11 @@ public class StructureDefinition extends CanonicalResource {
 // added from java-adornments.txt:
 
   public ElementDefinition getElementByPath(String path) {
+    if (path == null) {
+      return null;
+    }
     for (ElementDefinition ed : getElement()) {
-      if (path.equals(ed.getPath())) {
+      if (path.equals(ed.getPath()) || (path+"[x]").equals(ed.getPath())) {
         return ed;
       }
     }
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/StructureMapRenderer.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/StructureMapRenderer.java
index 76c0445ed..4c1dfd2de 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/StructureMapRenderer.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/StructureMapRenderer.java
@@ -10,6 +10,7 @@ import java.util.Map;
 import java.util.Set;
 
 import org.hl7.fhir.exceptions.FHIRException;
+import org.hl7.fhir.r5.model.CodeSystem;
 import org.hl7.fhir.r5.model.CodeType;
 import org.hl7.fhir.r5.model.ConceptMap;
 import org.hl7.fhir.r5.model.Enumeration;
@@ -155,7 +156,12 @@ public class StructureMapRenderer extends TerminologyRenderer {
         x.b().tx("  prefix ");
         x.tx(""+prefix);
         x.color(COLOR_SYNTAX).tx(" = \"");
-        x.tx(cg.getSource());
+        CodeSystem cs = context.getContext().fetchResource(CodeSystem.class, cg.getSource());
+        if (cs != null && cs.hasUserData("path")) {
+          x.ah(cs.getUserString("path"), cs.present()).tx(cg.getSource());
+        } else {
+          x.tx(cg.getSource());
+        }
         x.color(COLOR_SYNTAX).tx("\"\r\n");
         prefix++;
       }
@@ -164,7 +170,12 @@ public class StructureMapRenderer extends TerminologyRenderer {
         x.b().tx("  prefix ");
         x.tx(""+prefix);
         x.color(COLOR_SYNTAX).tx(" = \"");
-        x.tx(""+cg.getTarget());
+        CodeSystem cs = context.getContext().fetchResource(CodeSystem.class, cg.getTarget());
+        if (cs != null && cs.hasUserData("path")) {
+          x.ah(cs.getUserString("path"), cs.present()).tx(cg.getTarget());
+        } else {
+          x.tx(""+cg.getTarget());
+        }
         x.color(COLOR_SYNTAX).tx("\"\r\n");
         prefix++;
       }
@@ -247,7 +258,12 @@ public class StructureMapRenderer extends TerminologyRenderer {
     for (StructureMapStructureComponent s : map.getStructure()) {
       x.b().tx("uses");
       x.color(COLOR_SYNTAX).tx(" \"");
-      x.tx(s.getUrl());
+      StructureDefinition sd = context.getContext().fetchResource(StructureDefinition.class, s.getUrl());
+      if (sd != null && sd.hasUserData("path")) {
+        x.ah(sd.getUserString("path"), sd.present()).tx(s.getUrl());
+      } else {
+        x.tx(s.getUrl());
+      }
       x.color(COLOR_SYNTAX).tx("\" ");
       if (s.hasAlias()) {
         x.b().tx("alias ");
@@ -267,7 +283,12 @@ public class StructureMapRenderer extends TerminologyRenderer {
     for (UriType s : map.getImport()) {
       x.b().tx("imports");
       x.color(COLOR_SYNTAX).tx(" \"");
-      x.tx(s.getValue());
+      StructureMap m = context.getContext().fetchResource(StructureMap.class, s.getValue());
+      if (m != null) {
+        x.ah(m.getUserString("path"), m.present()).tx(s.getValue());
+      } else {
+        x.tx(s.getValue());
+      }
       x.color(COLOR_SYNTAX).tx("\"\r\n");
     }
     if (map.hasImport())
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
index 3ef9b1634..97d851c94 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/FHIRPathEngine.java
@@ -5027,10 +5027,11 @@ public class FHIRPathEngine {
       if (s != null) {
         Base res = null;
         if (s.startsWith("#")) {
+          String t = s.substring(1);
           Property p = context.rootResource.getChildByName("contained");
           if (p != null) {
             for (Base c : p.getValues()) {
-              if (chompHash(s).equals(chompHash(c.getIdBase()))) {
+              if (t.equals(c.getIdBase())) {
                 res = c;
                 break;
               }
@@ -5052,17 +5053,6 @@ public class FHIRPathEngine {
     return result;
   }
 
-  /**
-   * Strips a leading hashmark (#) if present at the start of a string
-   */
-  private String chompHash(String theId) {
-    String retVal = theId;
-    while (retVal.startsWith("#")) {
-      retVal = retVal.substring(1);
-    }
-    return retVal;
-  }
-
   private List<Base> funcExtension(ExecutionContext context, List<Base> focus, ExpressionNode exp) throws FHIRException {
     List<Base> result = new ArrayList<Base>();
     List<Base> nl = execute(context, focus, exp.getParameters().get(0), true);
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/structuremap/StructureMapUtilities.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/structuremap/StructureMapUtilities.java
index 7ad8632e1..fcf608def 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/structuremap/StructureMapUtilities.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/structuremap/StructureMapUtilities.java
@@ -664,6 +664,19 @@ public class StructureMapUtilities {
         }
       }
     }
+    if (!result.hasId() && result.hasName()) {
+      String id = Utilities.makeId(result.getName());
+      if (Utilities.noString(id)) {
+        result.setId(id);
+      }
+    }
+    if (!result.hasStatus()) {
+      result.setStatus(PublicationStatus.DRAFT);
+    }
+    if (!result.hasDescription() && result.hasTitle()) {
+      result.setDescription(result.getTitle());
+    }
+
     while (lexer.hasToken("conceptmap"))
       parseConceptMap(result, lexer);
 
diff --git a/org.hl7.fhir.utilities/src/main/resources/Messages.properties b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
index 4e18e76f7..8604cd89c 100644
--- a/org.hl7.fhir.utilities/src/main/resources/Messages.properties
+++ b/org.hl7.fhir.utilities/src/main/resources/Messages.properties
@@ -130,8 +130,8 @@ Reference_REF_NotFound_Bundle = Bundled or contained reference not found within
 Reference_REF_ResourceType = Matching reference for reference {0} has resourceType {1}
 Reference_REF_WrongTarget = The type ''{0}'' is not a valid Target for this element (must be one of {1})
 REFERENCE_REF_WRONGTARGET_LOAD = The type ''{2}'' is not a valid Target for the element {0} (must be {1})
-Resource_RES_ID_Malformed_Length = Invalid Resource id: Too long
-Resource_RES_ID_Malformed_Chars = Invalid Resource id: Invalid Characters
+Resource_RES_ID_Malformed_Length = Invalid Resource id: Too long ({0} chars)
+Resource_RES_ID_Malformed_Chars = Invalid Resource id: Invalid Characters (''{0}'')
 Resource_RES_ID_Missing = Resource requires an id, but none is present
 Resource_RES_ID_Prohibited = Resource has an id, but none is allowed
 Terminology_PassThrough_TX_Message = {0} for ''{1}#{2}''
diff --git a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
index 15f06b042..211e759c9 100644
--- a/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
+++ b/org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/instance/InstanceValidator.java
@@ -6222,9 +6222,9 @@ public class InstanceValidator extends BaseValidator implements IResourceValidat
         if (eid.getProperty() != null && eid.getProperty().getDefinition() != null && eid.getProperty().getDefinition().getBase().getPath().equals("Resource.id")) {
           NodeStack ns = stack.push(eid, -1, eid.getProperty().getDefinition(), null);
           if (eid.primitiveValue() != null && eid.primitiveValue().length() > 64) {
-            ok = rule(errors, NO_RULE_DATE, IssueType.INVALID, eid.line(), eid.col(), ns.getLiteralPath(), false, I18nConstants.RESOURCE_RES_ID_MALFORMED_LENGTH) && ok;
+            ok = rule(errors, NO_RULE_DATE, IssueType.INVALID, eid.line(), eid.col(), ns.getLiteralPath(), false, I18nConstants.RESOURCE_RES_ID_MALFORMED_LENGTH, eid.primitiveValue().length()) && ok;
           } else {
-            ok = rule(errors, NO_RULE_DATE, IssueType.INVALID, eid.line(), eid.col(), ns.getLiteralPath(), FormatUtilities.isValidId(eid.primitiveValue()), I18nConstants.RESOURCE_RES_ID_MALFORMED_CHARS) && ok;
+            ok = rule(errors, NO_RULE_DATE, IssueType.INVALID, eid.line(), eid.col(), ns.getLiteralPath(), FormatUtilities.isValidId(eid.primitiveValue()), I18nConstants.RESOURCE_RES_ID_MALFORMED_CHARS, eid.primitiveValue()) && ok;
           }
         }
       }
diff --git a/pom.xml b/pom.xml
index 6ac057aea..a1e98f012 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
     <properties>
         <hapi_fhir_version>6.2.1</hapi_fhir_version>
-        <validator_test_case_version>1.2.19</validator_test_case_version>
+        <validator_test_case_version>1.2.20-SNAPSHOT</validator_test_case_version>
         <junit_jupiter_version>5.7.1</junit_jupiter_version>
         <junit_platform_launcher_version>1.8.2</junit_platform_launcher_version>
         <maven_surefire_version>3.0.0-M5</maven_surefire_version>