[tdwg-tapir] Schema modification: r557 - trunk/protocol

[tdwg-tapir at lists.tdwg.org]

Author: renato
Date: 2006-09-25 19:44:58 +0200 (Mon, 25 Sep 2006)
New Revision: 557

Modified:
   trunk/protocol/tapir.xsd
Log:
Changed dct:bibliographicCitation, dc:rights and dc:subject to be optional elements.


Modified: trunk/protocol/tapir.xsd
===================================================================
--- trunk/protocol/tapir.xsd	2006-09-25 17:33:48 UTC (rev 556)
+++ trunk/protocol/tapir.xsd	2006-09-25 17:44:58 UTC (rev 557)
@@ -1522,7 +1522,7 @@
 					<xsd:documentation></xsd:documentation>
 				</xsd:annotation>
 			</xsd:element>			
-			<xsd:element ref="dc:subject">
+			<xsd:element ref="dc:subject" minOccurs="0">
 				<xsd:annotation>
 					<xsd:documentation>Subject and Keywords.Typically, a Subject will be expressed as keywords,
 						key phrases or classification codes that describe a topic
@@ -1531,7 +1531,7 @@
 						classification scheme</xsd:documentation>
 				</xsd:annotation>
 			</xsd:element>		
-			<xsd:element ref="dct:bibliographicCitation">
+			<xsd:element ref="dct:bibliographicCitation" minOccurs="0">
 				<xsd:annotation>
 					<xsd:documentation>Recommended practice is to include sufficient 
 						bibliographic detail to identify the resource as 
@@ -1539,7 +1539,7 @@
 						citation is in a standard form.</xsd:documentation>
 				</xsd:annotation>
 			</xsd:element>		
-			<xsd:element ref="dc:rights">
+			<xsd:element ref="dc:rights" minOccurs="0">
 				<xsd:annotation>
 					<xsd:documentation>Information about who can access the
 						resource or an indication of its security status.</xsd:documentation>