/usr/share/doc/xmlstarlet/examples/schema1 is in xmlstarlet 1.5.0-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/sh
# Validate against XSD schema
./xmlstarlet val -b -s xsd/table.xsd xml/table.xml xml/tab-obj.xml 2>/dev/null; echo $?
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