diff --git a/schema/xml/metaschema-markup-line.xsd b/schema/xml/metaschema-markup-line.xsd
index 7d8d48bd2..c430944f9 100644
--- a/schema/xml/metaschema-markup-line.xsd
+++ b/schema/xml/metaschema-markup-line.xsd
@@ -3,9 +3,10 @@
   
   <xs:include schemaLocation="metaschema-prose-base.xsd"/>
 
+
   <xs:complexType name="MarkupLineDatatype" mixed="true">
-    <xs:choice minOccurs="0" maxOccurs="unbounded">
-      <xs:group ref="inlineMarkupGroup"/>
-    </xs:choice>
+    <xs:complexContent>
+      <xs:extension base="inlineMarkupType"/>
+    </xs:complexContent>
   </xs:complexType>
 </xs:schema>
diff --git a/schema/xml/metaschema-markup-multiline.xsd b/schema/xml/metaschema-markup-multiline.xsd
index 559a3915f..33d35f539 100644
--- a/schema/xml/metaschema-markup-multiline.xsd
+++ b/schema/xml/metaschema-markup-multiline.xsd
@@ -11,13 +11,13 @@
 
   <xs:group name="blockElementGroup">
     <xs:choice>
-      <xs:element name="h1"    type="inlineType"/>
-      <xs:element name="h2"    type="inlineType"/>
-      <xs:element name="h3"    type="inlineType"/>
-      <xs:element name="h4"    type="inlineType"/>
-      <xs:element name="h5"    type="inlineType"/>
-      <xs:element name="h6"    type="inlineType"/>
-      <xs:element name="p"     type="inlineType"/>
+      <xs:element name="h1"    type="inlineMarkupType"/>
+      <xs:element name="h2"    type="inlineMarkupType"/>
+      <xs:element name="h3"    type="inlineMarkupType"/>
+      <xs:element name="h4"    type="inlineMarkupType"/>
+      <xs:element name="h5"    type="inlineMarkupType"/>
+      <xs:element name="h6"    type="inlineMarkupType"/>
+      <xs:element name="p"     type="inlineMarkupType"/>
       <xs:element name="ul"    type="listType"/>
       <xs:element name="ol"    type="listType"/>
       <xs:element name="pre"   type="preformattedType"/>
@@ -35,18 +35,11 @@
     td th: phrase inline markup, a, insert, img (phrase+img)
   -->
 
-
-  <xs:complexType name="inlineType" mixed="true">
-    <xs:choice minOccurs="0" maxOccurs="unbounded">
-      <xs:group ref="inlineMarkupGroup"/>
-    </xs:choice>
-  </xs:complexType>
-
   <xs:complexType name="preformattedType" mixed="true">
     <xs:complexContent>
-      <xs:extension base="inlineType">
+      <xs:extension base="inlineMarkupType">
         <xs:annotation>
-          <xs:documentation>The content model is the same as inlineType, but line endings need
+          <xs:documentation>The content model is the same as inlineMarkupType, but line endings need
             to be preserved, since this is preformatted.</xs:documentation>
         </xs:annotation>
       </xs:extension>
@@ -85,7 +78,7 @@
   <xs:complexType name="tableCellType" mixed="true">
     <xs:complexContent>
       <!-- TODO: consider adding a choice between the inline or paragraphs. We need to figure out what is supported in Markdown. -->
-      <xs:extension base="inlineType">
+      <xs:extension base="inlineMarkupType">
         <!-- TODO: need to add support for alignment. usnistgov/metaschema#70 -->
         <xs:attribute name="align" type="alignType" default="left"/>
       </xs:extension>
diff --git a/schema/xml/metaschema-prose-base.xsd b/schema/xml/metaschema-prose-base.xsd
index 320daac4b..2c24ceb31 100644
--- a/schema/xml/metaschema-prose-base.xsd
+++ b/schema/xml/metaschema-prose-base.xsd
@@ -1,36 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
-
+  <xs:complexType name="inlineMarkupType" mixed="true">
+    <xs:choice minOccurs="0" maxOccurs="unbounded">
+      <xs:group ref="inlineMarkupGroup"/>
+    </xs:choice>
+  </xs:complexType>
+  
   <xs:group name="inlineMarkupGroup">
     <xs:choice>
       <xs:element name="a" type="anchorType"/>
       <xs:element name="insert" type="insertType"/>
       <xs:group ref="phraseMarkupGroup"/>
-      <xs:group ref="imageMarkupGroup"/>
-    </xs:choice>
-  </xs:group>
-  <xs:group name="imageMarkupGroup">
-    <xs:choice>
-      <xs:element name="img" type="imageType"/>
     </xs:choice>
   </xs:group>
   <xs:group name="phraseMarkupGroup">
     <xs:choice>
-      <xs:element name="code" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="em" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="i" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="b" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="strong" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="sub" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="sup" type="inlineMarkupType" minOccurs="1"/>
-      <xs:element name="q" type="inlineMarkupType" minOccurs="1"/>
+      <xs:element name="code" type="inlineMarkupType"/>
+      <xs:element name="em" type="inlineMarkupType"/>
+      <xs:element name="i" type="inlineMarkupType"/>
+      <xs:element name="b" type="inlineMarkupType"/>
+      <xs:element name="strong" type="inlineMarkupType"/>
+      <xs:element name="sub" type="inlineMarkupType"/>
+      <xs:element name="sup" type="inlineMarkupType"/>
+      <xs:element name="q" type="inlineMarkupType"/>
+      <xs:element name="img" type="imageType"/>
     </xs:choice>
   </xs:group>
-  <xs:complexType name="inlineMarkupType" mixed="true">
-    <xs:choice minOccurs="0" maxOccurs="unbounded">
-      <xs:group ref="inlineMarkupGroup"/>
-    </xs:choice>
-  </xs:complexType>
   <xs:complexType name="imageType">
     <xs:attribute name="alt" type="xs:string"/>
     <xs:attribute name="src" use="required" type="xs:anyURI"/>
@@ -39,7 +34,6 @@
   <xs:complexType name="anchorType" mixed="true">
     <xs:choice minOccurs="0" maxOccurs="unbounded">
       <xs:group ref="phraseMarkupGroup"/>
-      <xs:group ref="imageMarkupGroup"/>
     </xs:choice>
     <xs:attribute name="href" type="xs:anyURI"/>
   </xs:complexType>
diff --git a/schema/xml/metaschema.xsd b/schema/xml/metaschema.xsd
index d92fe3de0..1b2e1df88 100644
--- a/schema/xml/metaschema.xsd
+++ b/schema/xml/metaschema.xsd
@@ -47,18 +47,7 @@
         <xs:element name="json-base-uri" type="JsonBaseUriType"/>
         <xs:element name="remarks" type="RemarksType" minOccurs="0"/>
 
-        <xs:element name="import" minOccurs="0" maxOccurs="unbounded">
-          <xs:annotation>
-            <xs:documentation>To import a set of Metaschema definitions from an out-of-line resource, supporting reuse of common information structures.</xs:documentation>
-          </xs:annotation>
-          <xs:complexType>
-            <xs:attribute name="href" type="URIReferenceDatatype" use="required">
-              <xs:annotation>
-                <xs:documentation>A relative or absolute URI for retrieving an out-of-line Metaschema definition.</xs:documentation>
-              </xs:annotation>
-            </xs:attribute>
-          </xs:complexType>
-        </xs:element>
+        <xs:element name="import" type="MetaschemaImportType" minOccurs="0" maxOccurs="unbounded"/>
 
         <xs:choice minOccurs="0" maxOccurs="unbounded">
           <xs:element name="define-assembly" type="GlobalAssemblyDefinitionType"/>
@@ -96,7 +85,7 @@
     </xs:annotation>
     <xs:complexType>
       <xs:sequence>
-        <xs:element name="name" type="MarkupLineDatatype">
+        <xs:element name="name" type="StringDatatype">
           <xs:annotation>
             <xs:documentation>The name of this constraint set.</xs:documentation>
           </xs:annotation>
@@ -161,10 +150,25 @@
     </xs:complexType>
   </xs:element>
 
+  <xs:complexType name="MetaschemaImportType">
+    <xs:annotation>
+      <xs:documentation>Imports a set of Metaschema definitions from an out-of-line resource, supporting reuse of common information structures.</xs:documentation>
+    </xs:annotation>
+    <xs:attribute name="href" type="URIReferenceDatatype" use="required">
+      <xs:annotation>
+        <xs:documentation>A relative or absolute URI for retrieving an out-of-line Metaschema definition.</xs:documentation>
+      </xs:annotation>
+    </xs:attribute>
+  </xs:complexType>
+  
   <xs:group name="DefinitionMetadataGroup">
     <xs:sequence>
       <xs:element name="formal-name" type="FormalNameType" minOccurs="0"/>
-      <xs:element name="description" type="DescriptionType" minOccurs="0"/>
+      <xs:element name="description" type="MarkupLineDatatype" minOccurs="0">
+        <xs:annotation>
+          <xs:documentation>A short description of the data construct that provides basic documentation of the construct's purpose.</xs:documentation>
+        </xs:annotation>
+      </xs:element>
       <xs:element name="prop" type="PropertyType" minOccurs="0" maxOccurs="unbounded"/>
       <!--
         When using:
@@ -187,7 +191,7 @@
         <prop name="identifier-scope" value="cross-instance"/>
 
         Must be one of:
-        <prop name="identifier-persistence" value="per-instance"/>
+        <prop name="identifier-persistence" value="per-subject"/>
         <prop name="identifier-persistence" value="change-on-write"/>
      -->
     </xs:sequence>
@@ -407,18 +411,6 @@
     <xs:restriction base="URIDatatype"/>
   </xs:simpleType>
  
-  <xs:complexType name="DescriptionType">
-    <xs:annotation>
-      <xs:documentation>A short description of the data construct, to be inserted into
-        documentation. Unlike 'formal-name' this should not simply repeat what is readily
-        discernible from a tag (element name or JSON label), but say a little more about
-        it.</xs:documentation>
-    </xs:annotation>
-    <xs:complexContent>
-      <xs:extension base="MarkupLineDatatype"/>
-    </xs:complexContent>
-  </xs:complexType>
-
   <xs:complexType name="RemarksType">
     <xs:annotation>
       <xs:documentation>Any explanatory or helpful information to be provided in the
@@ -1049,7 +1041,12 @@
 
   <xs:complexType name="ExampleType">
     <xs:sequence>
-      <xs:element name="description" type="DescriptionType" minOccurs="0"/>
+      <xs:element name="description" type="MarkupLineDatatype" minOccurs="0">
+        <xs:annotation>
+          <xs:documentation>A short description of the example that provides basic documentation about the example's purpose.</xs:documentation>
+        </xs:annotation>
+        
+      </xs:element>
       <xs:element name="remarks" type="RemarksType" minOccurs="0"/>
       <xs:choice minOccurs="0" maxOccurs="unbounded">
         <xs:any namespace="##other" processContents="lax"/>