<!-- edited with XML Spy v4.4 U (http://www.xmlspy.com) by Meg Bear (R&D) -->
<!-- SyncML Representation Version 1.0.1   2001-06-15   -->
<!--Copyright Notice
Copyright Notice
Copyright (c) 2000-2001 Ericsson, IBM, Lotus, Matsushita Communications Industrial Co., Motorola, Nokia, Palm, Inc., Psion, Starfish Software. All Rights Reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 
3. The end-user documentation included with the redistribution, if any, must include the following acknowledgement: This product includes software developed by The SyncML Initiative.
Alternatively, this acknowledgment may appear in the software itself, if and wherever such third-party acknowledgment normally appears. 
4. The name of the authors, jointly or severally, must not be used to endorse or promote products derived from this software without specific prior written permission. 
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -->
<!-- This DTD defines the SyncML DTD. The document type defines a common format for representing data sychronization protocol data units.
This DTD is to be identified by the URI string "syncml:syncml".
Single element types from this name space can be referenced as follows:
    <element xmlns='syncml:syncml'>blah, blah</element>
-->
<!-- Root or Document Element and -->
<!ELEMENT SyncML (SyncHdr, SyncBody)>
<!ELEMENT SyncHdr (VerDTD, VerProto, SessionID, MsgID, Target, Source, RespURI?, NoResp?, Cred?, Meta?)>
<!ELEMENT SyncBody ((Alert | Atomic | Copy | Exec | Get | Map | Put | Results | Search | Sequence | Status | Sync)+, Final?)>
<!-- Commonly Used Elements -->
<!-- Archive indicator for Delete -->
<!ELEMENT Archive EMPTY>
<!-- Value must be one of "Add" | "Alert" | "Atomic" | "Copy" | "Delete" | "Exec" | "Get" | "Map" | "Put" | "Replace" | "Results" | "Search" | "Sequence" | "Status" | "Sync". -->
<!ELEMENT Cmd (#PCDATA)>
<!-- Authentication Challenge -->
<!ELEMENT Chal (Meta)>
<!-- Sync message unique identifier for command -->
<!ELEMENT CmdID (#PCDATA)>
<!-- Reference to command identifier -->
<!ELEMENT CmdRef (#PCDATA)>
<!-- Credentials -->
<!ELEMENT Cred (Meta?, Data)>
<!-- Final message flag -->
<!ELEMENT Final EMPTY>
<!-- Desired language for results -->
<!ELEMENT Lang (#PCDATA)>
<!-- Location displayable name -->
<!ELEMENT LocName (#PCDATA)>
<!-- Location URI -->
<!ELEMENT LocURI (#PCDATA)>
<!-- SyncML Message ID -->
<!ELEMENT MsgID (#PCDATA)>
<!-- Reference to a SyncML Message ID -->
<!ELEMENT MsgRef (#PCDATA)>
<!-- No Response Status Requested Indicator -->
<!ELEMENT NoResp EMPTY>
<!-- No Results Requested Indicator -->
<!ELEMENT NoResults EMPTY>
<!-- URI recipient uses for response -->
<!ELEMENT RespURI (#PCDATA)>
<!-- SyncML session identifier -->
<!ELEMENT SessionID (#PCDATA)>
<!-- Soft delete indicator for Delete -->
<!ELEMENT SftDel EMPTY>
<!-- Source location -->
<!ELEMENT Source (LocURI, LocName?)>
<!ELEMENT SourceRef (#PCDATA)>
<!-- Target location information -->
<!ELEMENT Target (LocURI, LocName?)>
<!ELEMENT TargetRef (#PCDATA)>
<!-- SyncML specificaiton major/minor version info. -->
<!-- For this version of the DTD, the value is "1.0" -->
<!ELEMENT VerDTD (#PCDATA)>
<!-- Data sync protocol major/minor version -->
<!-- For example, "xyz/1.0" -->
<!ELEMENT VerProto (#PCDATA)>
<!-- Synchronization data elements -->
<!-- Item element type -->
<!ELEMENT Item (Target?, Source?, Meta?, Data?)>
<!-- Meta element type -->
<!-- Element types in the content MUST have name space declared. -->
<!--The Meta content would be something such as: <Meta> <Type xmlns='syncml:metinf'>text/calendar</Type> <Format xmlns='syncml:metinf'>xml</Format> </Meta>-->
<!ELEMENT Meta (#PCDATA)>
<!-- Actual data content -->
<!ELEMENT Data (#PCDATA)>
<!-- SyncML Commands -->
<!-- Add operation. -->
<!ELEMENT Add (CmdID, NoResp?, Cred?, Meta?, Item+)>
<!-- Alert operation. -->
<!-- Alert types are either "User Agent" or "Application" oriented -->
<!ELEMENT Alert (CmdID, NoResp?, Cred?, Data?, Item+)>
<!-- Atomic operation. All or nothing semantics. -->
<!ELEMENT Atomic (CmdID, NoResp?, Meta?, (Add | Replace | Delete | Copy | Atomic | Map | Sequence | Sync)+)>
<!-- Copy operation. -->
<!ELEMENT Copy (CmdID, NoResp?, Cred?, Meta?, Item+)>
<!-- Delete operation. -->
<!ELEMENT Delete (CmdID, NoResp?, Archive?, SftDel?, Cred?, Meta?, Item+)>
<!-- Exec operation -->
<!-- Executable can either be referenced with Target element type -->
<!-- or can be specified in the Data element type. -->
<!ELEMENT Exec (CmdID, NoResp?, Cred?, Item)>
<!-- Get operation. -->
<!ELEMENT Get (CmdID, NoResp?, Lang?, Cred?, Meta?, Item+)>
<!-- MAP operation. Create/Delete an item id map kept at the server. -->
<!ELEMENT Map (CmdID, Target, Source, Cred?, Meta?, MapItem+)>
<!ELEMENT MapItem (Target, Source)>
<!-- Put operation. -->
<!ELEMENT Put (CmdID, NoResp?, Lang?, Cred?, Meta?, Item+)>
<!-- Replace operation. -->
<!ELEMENT Replace (CmdID, NoResp?, Cred?, Meta?, Item+)>
<!-- Results operation. -->
<!ELEMENT Results (CmdID, MsgRef?, CmdRef, Meta?, TargetRef?, SourceRef?, Item+)>
<!-- Search operation. -->
<!ELEMENT Search (CmdID, NoResp?, NoResults?, Cred?, Target?, Source+, Lang?, Meta, Data)>
<!-- Sequence operation. -->
<!ELEMENT Sequence (CmdID, NoResp?, Meta?, (Add | Replace | Delete | Copy | Atomic | Map | Sync)+)>
<!-- Status operation. -->
<!ELEMENT Status (CmdID, MsgRef, CmdRef, Cmd, TargetRef*, SourceRef*, Cred?, Chal?, Data, Item*)>
<!-- Synchronize Operation. -->
<!ELEMENT Sync (CmdID, NoResp?, Cred?, Target?, Source?, Meta?, (Add | Atomic | Copy | Delete | Replace | Sequence)*)>
<!-- End of DTD Definition -->