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<!--
Copyright 2008 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
GNU Radio Companion is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
-->
<!--
flow_graph.dtd
Josh Blum
The document type definition for flow graph xml files.
-->
<!ELEMENT flow_graph (timestamp?, block*, connection*)> <!-- optional timestamp -->
<!ELEMENT timestamp (#PCDATA)>
<!-- Block -->
<!ELEMENT block (key, param*)>
<!ELEMENT param (key, value)>
<!ELEMENT key (#PCDATA)>
<!ELEMENT value (#PCDATA)>
<!-- Connection -->
<!ELEMENT connection (source_block_id, sink_block_id, source_key, sink_key)>
<!ELEMENT source_block_id (#PCDATA)>
<!ELEMENT sink_block_id (#PCDATA)>
<!ELEMENT source_key (#PCDATA)>
<!ELEMENT sink_key (#PCDATA)>
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