Lib/test/xmltestdata/c14n-20/inC14N1.xml

<?xml version="1.0"?>

<?xml-stylesheet   href="doc.xsl"
   type="text/xsl"   ?>

<!DOCTYPE doc SYSTEM "doc.dtd">

<doc>Hello, world!<!-- Comment 1 --></doc>

<?pi-without-data     ?>

<!-- Comment 2 -->

<!-- Comment 3 -->