/usr/lib/python2.7/dist-packages/chameleon/tests/inputs/053.xml is in python-chameleon 2.6.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | <!DOCTYPE doc [
<!ENTITY e "<e/>">
<!ELEMENT doc (e)>
<!ELEMENT e EMPTY>
]>
<doc>&e;</doc>
|