Tests adding an attribute with QName AVT to doc.
Test ab-add-attribute-004.xml is expected to pass.
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" version="3.0">
<p:output port="result"/>
<p:add-attribute match="/doc" attribute-value="5">
<p:with-input>
<doc/>
</p:with-input>
<p:with-option name="attribute-name" select="QName('http://attribute-namespace','att')"/>
</p:add-attribute>
</p:declare-step>
<s:schema xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<s:ns prefix="att-ns" uri="http://attribute-namespace"/>
<s:pattern>
<s:rule context="/">
<s:assert test="doc">The document root is not doc.</s:assert>
<s:assert test="doc/@att-ns:att">There is not attribute "Q{http://attribute-namespace}att" at doc.</s:assert>
<s:assert test="doc/@att-ns:att=5">Value of attribute "Q{http://attribute-namespace}att" is not 5.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
Added attribute 'queryBinding' to schematron's schema.
Fix tests by removing AVT
Added new tests for p:add-attribute.