<!--
	Opensrs Protocol Suite (OPS) v 0.1
	(C) Copyright 2000, Tuwcows Inc.
	All Rights Reserved
	
	OPS Message Definition
	
-->

<!-- Envelope -->
<!ELEMENT OPS_envelope (header,body)>

<!-- header part -->
<!ELEMENT header (version, msg_id, msg_type)>

<!-- body part -->
<!ELEMENT body (data_block)>

<!-- data block -->
<!ELEMENT data_block (dt_assoc | dt_array | 
                      dt_scalar| dt_scalarref)>

<!-- data types -->
<!ELEMENT dt_assoc (dt_assoc | dt_array|
                    dt_scalar | dt_scalarref|
                    (item)*)>

<!ELEMENT dt_array (dt_assoc | dt_array |
                    dt_scalar | dt_scalarref |
                    (item)*)>

<!ELEMENT dt_scalar (#PCDATA | dt_assoc | dt_array |
                     dt_scalar | dt_scalarref)*>

<!ELEMENT dt_scalarref (#PCDATA | dt_assoc | dt_array |
                        dt_scalar | dt_scalarref)*>

<!ELEMENT item 	(#PCDATA |
                   dt_assoc | dt_array | 
                   dt_scalar | dt_scalarref)*>
                   
<!ATTLIST item 
       key   CDATA #REQUIRED 
       class CDATA #IMPLIED   >

			
<!ELEMENT msg_id   (#PCDATA)>
<!ELEMENT msg_type (#PCDATA)>
<!ELEMENT version (#PCDATA)>

<!-- document information entities -->
<!ENTITY author "Victor Magdic">
<!ENTITY company "Tucows">
<!ENTITY copyright "2000, Tucows">