Update/Migrate 'example.gramps' and XML schema files

data/grampsxml.rng

@@ -25,13 +25,13 @@
 -->
 
 <!--
-  This is the RELAX NG schema for the Gramps XML genealogy data format.
+  This is the RELAX NG schema for the GRAMPS XML genealogy data format.
 -->
 
 
 <grammar
   datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"  
-  ns="http://gramps-project.org/xml/1.6.0/"
+  ns="http://gramps-project.org/xml/1.7.0/"
   xmlns="http://relaxng.org/ns/structure/1.0">
 
   <start><element name="database">
@@ -479,11 +479,12 @@
 
   <define name="place-content">
     <ref name="primary-object"/>
-    <attribute name="name"><text/></attribute>
     <attribute name="type"><text/></attribute>
     <optional><element name="ptitle"><text/></element></optional>
+    <oneOrMore><element name="name">
+        <ref name="placename-content"/>
+    </element></oneOrMore>
     <optional><element name="code"><text/></element></optional>
-    <zeroOrMore><element name="alt_name"><text/></element></zeroOrMore>
     <optional><element name="coord">
         <attribute name="long"><text/></attribute>
         <attribute name="lat"><text/></attribute>
@@ -772,6 +773,12 @@
     <text/>
   </define>
 
+  <define name="placename-content">
+    <attribute name="value"><text/></attribute>
+    <optional><attribute name="lang"><text/></attribute></optional>
+    <optional><ref name="date-content"/></optional>
+  </define>
+
   <define name="placeref-content">
     <attribute name="hlink"><data type="IDREF"/></attribute>
     <optional><ref name="date-content"/></optional>