Test p:if where @when evaluates to false() and no drp.
Test ab-if-009.xml is expected to pass.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
<p:output port="result"/>
<p:if test="false()">
<p:add-attribute match="/doc" attribute-name="a" attribute-value="2">
<p:with-input>
<doc/>
</p:with-input>
</p:add-attribute>
</p:if>
<p:wrap-sequence wrapper="result"/>
</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="/result">Root element is not 'result'.</s:assert>
<s:assert test="count(/result/*)=0">Result should not have any children.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
Added attribute 'queryBinding' to schematron's schema.
New tests