TPDB XML Format

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A proposal for an XML grammar for termination problems

Still needs to be formalised and completed.

<code>
<tp version="1.0">
	<meta>
		<author/>
		<date/>
		<originalcomment/>
	</meta>
	<termination>
		<theory><theorydecl>Multiple</theorydecl></theory>
		<strategy>
			<INNERMOST/> |
			<OUTERMOST/> | 
			<CONTEXTSENSITIVE>
				<contextsensitivestuff/>			
			</CONTEXTSENSITIVE>
			|<NONE/>
		</strategy>
		<conditional type="ltr|join"/>
		<type>TRS|SRS</type>
		<status>TERMINATES|DOESNTERMINATE|DUNNO</status>
	</termination>
	<rules>
		<rule nonstrict="true|false" top="yes|no|maybe"> <!-- can be repeated -->
			<lhs>
				<term>
					<function> <!-- nestable -->
						<variable name="a|..."/>
					</function>
				</term>
				<variable name="a|..."/>
			</lhs>
			<rhs>$term</rhs>
		</rule>
		<conditionalrule>
			<conditions>
				<rule/> <!-- multiple -->
			</conditions>
			<rule/>
		</conditionalrule>
	</rules>
	
	<signature>
		<!-- optional information which may or may not be required -->
		<!-- contextsensitive info may be added here -->
	</signature>
</tp>
</code>
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