Checks not required option with default value uses function conversion rules.
Test ab-option-020.xml is expected to pass.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" xmlns:xs="http://www.w3.org/2001/XMLSchema" version="3.0">
<p:output port="result"/>
<p:option name="option" required="false" select="xs:integer(3)" as="xs:double"/>
<p:identity>
<p:with-input>
<doc>{$option instance of xs:double}</doc>
</p:with-input>
</p:identity>
</p:declare-step>
<s:schema xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<s:pattern>
<s:rule context="/">
<s:assert test="doc">The pipeline root is not doc.</s:assert>
<s:assert test="count(doc/node())=1">The root element does not have exactly one child.</s:assert>
<s:assert test="count(doc/text())=1">The root element does not have exactly one text child.</s:assert>
<s:assert test="doc/text()='true'">The root element does not have a text child 'true'.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
Added attribute 'queryBinding' to schematron's schema.
Fixed test: No casting but function conversion rules.
Fixed test by declaring xs-namespace.
added new tests