static void
DeclareElemNamespace ( const XMP_VarString & elemName,
					   XMP_VarString &		 usedNS,
					   XMP_VarString &		 outputStr,
					   XMP_StringPtr		 newline,
					   XMP_StringPtr		 indentStr,
					   XMP_Index			 indent )
{
	size_t colonPos = elemName.find ( ':' );

	if ( colonPos != XMP_VarString::npos ) {
		XMP_VarString nsPrefix ( elemName.substr ( 0, colonPos+1 ) );
		XMP_StringMapPos prefixPos = sNamespacePrefixToURIMap->find ( nsPrefix );
		XMP_Enforce ( prefixPos != sNamespacePrefixToURIMap->end() );
		DeclareOneNamespace ( nsPrefix, prefixPos->second, usedNS, outputStr, newline, indentStr, indent );
	}

}	// DeclareElemNamespace
static void
DeclareElemNamespace ( const XMP_VarString & elemName,
					   XMP_VarString &		 usedNS,
					   XMP_VarString &		 outputStr,
					   XMP_StringPtr		 newline,
					   XMP_StringPtr		 indentStr,
					   XMP_Index			 indent )
{
	size_t colonPos = elemName.find ( ':' );

	if ( colonPos != XMP_VarString::npos ) {
		XMP_VarString nsPrefix ( elemName.substr ( 0, colonPos+1 ) );
		XMP_StringPtr nsURI;
		bool nsFound = sRegisteredNamespaces->GetURI ( nsPrefix.c_str(), &nsURI, 0 );
		XMP_Enforce ( nsFound );
		DeclareOneNamespace ( nsPrefix.c_str(), nsURI, usedNS, outputStr, newline, indentStr, indent );
	}

}	// DeclareElemNamespace