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clarify meaning of AssertItems and QueryItems in BiMetaTrans source-level documentation

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Mark Thom
2020-06-18 23:47:54 -06:00
parent bc81ff28d8
commit 1f9ff2dd88
1 changed files with 7 additions and 1 deletions
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8
src/examples/bimetatrans/bimetatrans.pl
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@@ -35,12 +35,18 @@
* inputs are expected to be ground, meaning they should not contain * inputs are expected to be ground, meaning they should not contain
* free variables. * free variables.
* *
* A RuleML/XML document is assumed to contain an optional Assert
* element (with zero or more children) and zero or more Query
* elements. The children of the Assert element are the Items of
* AssertItems, while the Items of QueryItems each correspond to a
* single Query element.
*
* parse_ruleml/3 is meant to subsume an invertible function in the * parse_ruleml/3 is meant to subsume an invertible function in the
* sense that the top-level query * sense that the top-level query
* *
* ?- parse_ruleml(AssertItems, QueryItems, XML0), % Prolog->RuleML * ?- parse_ruleml(AssertItems, QueryItems, XML0), % Prolog->RuleML
* parse_ruleml(AssertItems0, QueryItems0, XML), % RuleML->Prolog * parse_ruleml(AssertItems0, QueryItems0, XML), % RuleML->Prolog
* AssertItems0 == AssertItems, % Test for expected round-trip results. * AssertItems0 == AssertItems, % Test for expected round-trip results.
* QueryItems0 == QueryItems, * QueryItems0 == QueryItems,
* XML0 == XML. * XML0 == XML.
* *