The pipeline
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" name="pipeline" version="3.0">
<p:output port="result"/>
<p:wrap xmlns:test="http://www.example.com/test" match="text()" group-adjacent="." wrapper="test:wrapper">
<p:with-input>
<doc>
<!-- foo -->
text
<!-- foo -->
text
<!-- foo -->
text2
<!-- foo -->
text
<!-- foo -->
text
<!-- foo -->
</doc>
</p:with-input>
</p:wrap>
</p:declare-step>
Schematron validation
<s:schema xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<s:ns prefix="test" uri="http://www.example.com/test"/>
<s:pattern>
<s:rule context="/">
<s:assert test="doc">Root element is not 'doc'.</s:assert>
<s:assert test="count(doc/test:wrapper)=5">Element 'doc' does not have five children 'test:wrapper'.</s:assert>
<s:assert test="count(doc/comment())=4">Element 'doc' does not have four child comments.</s:assert>
<s:assert test="doc/child::node()[1]/local-name()='wrapper'">First child node of 'doc' is not 'test:wrapper'.</s:assert>
<s:assert test="count(doc/test:wrapper[1]/child::node())=1">First child test:wrapper does not have one child node.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[1]/text())=''">First test:wrapper does not have a all whitespace text node as child.</s:assert>
<s:assert test="doc/child::node()[2] instance of comment()">Second child node of 'doc' is not a comment.</s:assert>
<s:assert test="doc/child::node()[3]/local-name()='wrapper'">Third child node of 'doc' is not 'test:wrapper'.</s:assert>
<s:assert test="count(doc/test:wrapper[2]/child::node())=3">Element 'test:wrapper'[2] does not have three child nodes.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[2]/child::node()[1])='text'">Element 'test:wrapper'[2]'s first child (normalized) is not 'text'.</s:assert>
<s:assert test="doc/test:wrapper[2]/child::node()[2] instance of comment()">Element 'test:wrapper'[2]'s second child is not a comment.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[2]/child::node()[3])='text'">Element 'test:wrapper'[2]'s third child (normalized) is not 'text'.</s:assert>
<s:assert test="doc/child::node()[4] instance of comment()">Fourth child node of 'doc' is not a comment.</s:assert>
<s:assert test="doc/child::node()[5]/local-name()='wrapper'">Fifth child node of 'doc' is not 'test:wrapper'.</s:assert>
<s:assert test="count(doc/test:wrapper[3]/child::node())=1">Element 'test:wrapper[3]' does not have exactly one child.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[3]/text())='text2'">Element 'test:wrapper[3]' does not have a text child (normalized) with 'text2' </s:assert>
<s:assert test="doc/child::node()[6] instance of comment()">Sixth child node of 'doc' is not a comment.</s:assert>
<s:assert test="doc/child::node()[7]/local-name()='wrapper'">Seventh child node of 'doc' is not 'test:wrapper'.</s:assert>
<s:assert test="count(doc/test:wrapper[4]/child::node())=3">Element 'test:wrapper'[4] does not have three child nodes.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[4]/child::node()[1])='text'">Element 'test:wrapper'[4]'s first child (normalized) is not 'text'.</s:assert>
<s:assert test="doc/test:wrapper[4]/child::node()[2] instance of comment()">Element 'test:wrapper'[4]'s second child is not a comment.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[4]/child::node()[3])='text'">Element 'test:wrapper'[4]'s third child (normalized) is not 'text'.</s:assert>
<s:assert test="doc/child::node()[8] instance of comment()">Eight child node of 'doc' is not a comment.</s:assert>
<s:assert test="doc/child::node()[9]/local-name()='wrapper'">Ninth child node of 'doc' is not 'test:wrapper'.</s:assert>
<s:assert test="count(doc/test:wrapper[5]/child::node())=1">Fifth child test:wrapper does not have one child node.</s:assert>
<s:assert test="normalize-space(doc/test:wrapper[5]/text())=''">Fifth test:wrapper does not have a all whitespace text node as child.</s:assert>
</s:rule>
</s:pattern>
</s:schema>
