This file is indexed.

/usr/share/xscreensaver/config/xanalogtv.xml is in xscreensaver-data-extra 5.15-2ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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<?xml version="1.0" encoding="ISO-8859-1"?>

<screensaver name="xanalogtv" _label="XAnalogTV">

  <command arg="-root"/>

  <xscreensaver-image />

  <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>

  <_description>

XAnalogTV shows a detailed simulation of an old TV set showing various
test patterns, with various picture artifacts like snow, bloom,
distortion, ghosting, and hash noise. It also simulates the TV warming
up. It will cycle through 12 channels, some with images you give it,
and some with color bars or nothing but static.

Written by Trevor Blackwell; 2003.
  </_description>
</screensaver>