--- nsdl/prototypes/metadata_convert.pl	2002/05/11 21:04:27	1.3
+++ nsdl/prototypes/metadata_convert.pl	2002/05/12 16:48:18	1.5
@@ -35,15 +35,35 @@ END
 # Subject & Keywords
 # Language
 # Title
+
+
 # --------------- also need educational recommended fields
+# http://dublincore.org/documents/2000/10/05/education-namespace/
+# dc-ed:audience
+# dc-ed:standard Element 
+# dc-ed:conformsTo (Qualifier to the dc:relation)
+# endorsement of the use of the InteractivityType,
+# InteractivityLevel, and TypicalLearningTime data elements (Education Category: 5.1, 5.3, and 5.9 respectively) from the IEEE Learning
+# Object Metadata (LOM) standard for P1484.12.
+
 
 # (there are also other identified cross-walk strategies for 8 other metadata
 #  standards)
+# crosswalks - http://128.253.121.110/NSDLmetaWG/IntroPage.html
+
 
 #http://metamanagement.comm.nsdlib.org/overview.html#NSDL
 #http://www.dlib.vt.edu/projects/OAi/marcxml/marcxml.html
 #http://www.openarchives.org/OAI/openarchivesprotocol.html
 # ">
+my $namespace='http://ExternalFunction/';
+my $func = sub {
+    my $text = shift;
+    return uc($text);
+};
+
+$tr->install_function($namespace, 'plain-text', $func);
+
 
 my $NSDL_metadata1=(<<END);
 <?xml version="1.0"?>
@@ -194,7 +214,10 @@ close(OUT);
 open(OUT,'>tmpn2l.xsl');
 print(OUT <<END);
 <?xml version="1.0"?> 
-<xsl:stylesheet xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+<xsl:stylesheet
+  xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+  xmlns:external="$namespace"
+>
 <xsl:template match="/">
 <loncapa>
 <xsl:text>
@@ -205,7 +228,16 @@ print(OUT <<END);
 </xsl:text>
 </xsl:template>
 <xsl:template match="dc:title">
-<title><xsl:value-of select="."/></title>
+<title>
+         <xsl:choose>
+           <xsl:when test="function-available('external:plain-text')">
+             <xsl:value-of select="external:plain-text(.)"/>
+           </xsl:when>
+           <xsl:otherwise>
+             Function external:plain-text() is not available!
+           </xsl:otherwise>
+         </xsl:choose>
+</title>
 <xsl:text>
 </xsl:text>
 </xsl:template>