Refactored header files.

Support for DTD serialization.
Text-like nodes get an XML property, besides the basic text value.

xml-serializer.h

@@ -5,3 +5,30 @@
 #DEFINE	XMLSERIAL_WHITESPACE						"WhiteSpace"
 #DEFINE	XMLSERIAL_PROCESSINGINSTRUCTIONS		"ProcessingInstructions"
 #DEFINE	XMLSERIAL_COMMENTS						"Comments"
+#DEFINE	XMLSERIAL_DTD								"DTD"
+
+*!* VFP node names, or part names, for encoding or exporting
+
+#DEFINE XML_SIMPLEATTR	UPPER(XML_ATTRIBUTE)
+#DEFINE XML_SIMPLETEXT	"_value_"
+#DEFINE XML_NFATTR		"_attr_"
+#DEFINE XML_NFTEXT		"_nodetext_"
+
+*!* processed XML nodes as VFP nodes, other than elements (always arrayed)
+
+#DEFINE XML_PI				"xmlprocessinginstruction"
+#DEFINE XML_COMMENT		"xmlcomment"
+#DEFINE XML_DTD			"xmldtd"
+#DEFINE XML_ORPHANTEXT	"xmlorphantext"
+
+*!* name of serialized VFP properties
+
+#DEFINE XMLP_NAME			"xmlname"
+#DEFINE XMLP_TEXT			"xmltext"
+#DEFINE XMLP_NS			"xmlns"
+#DEFINE XMLP_PREFIXES	"xmlprefixes"
+#DEFINE XMLP_POSITION	"xmlposition"
+#DEFINE XMLP_COUNT		"xmlcount"
+#DEFINE XMLP_ATTRIBUTES	"xmlattributes"
+#DEFINE XMLP_QNAME		"xmlqname"
+#DEFINE XMLP_SOURCE		"xmlsource"