This file is indexed.

/usr/share/xscreensaver/config/rd-bomb.xml is in xscreensaver-data-extra 5.36-1ubuntu1.

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="rd-bomb" _label="RDbomb">

  <command arg="-root"/>

  <video href="https://www.youtube.com/watch?v=xiooDyrZSsY"/>

  <hgroup>
   <vgroup>
    <number id="delay" type="slider" arg="-delay %"
            _label="Frame rate" _low-label="Slow" _high-label="Fast"
            low="0" high="250000" default="30000"
            convert="invert"/>

    <number id="speed" type="slider" arg="-speed %"
             _label="Wander speed" _low-label="Slow" _high-label="Fast"
             low="0.0" high="10.0" default="0.0"/>

    <number id="size" type="slider" arg="-size %"
             _label="Fill screen" _low-label="1%" _high-label="100%"
             low="0.01" high="1.0" default="1.0"/>
   </vgroup>
   <vgroup>
    <number id="epoch" type="slider" arg="-epoch %"
             _label="Epoch" _low-label="Small" _high-label="Large"
             low="1000" high="300000" default="40000"/>

    <number id="ncolors" type="slider" arg="-ncolors %"
              _label="Number of colors" _low-label="Two" _high-label="Many"
              low="1" high="255" default="255"/>

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

    <xscreensaver-updater />

   </vgroup>
  </hgroup>

  <hgroup>
   <vgroup>
    <number id="width" type="spinbutton" arg="-width %"
            _label="X tile size" low="0" high="500" default="0"/>
    <number id="pixheight" type="spinbutton" arg="-height %"
            _label="Y tile size" low="0" high="500" default="0"/>
   </vgroup>
   <vgroup>
    <number id="reaction" type="spinbutton" arg="-reaction %"
            _label="Reaction" low="-1" high="2" default="-1"/>
    <number id="diffusion" type="spinbutton" arg="-diffusion %"
            _label="Diffusion" low="-1" high="2" default="-1"/>

    <!-- #### default is wrong -->
    <number id="radius" type="spinbutton" arg="-radius %"
           _label="Seed radius" low="-1" high="60" default="-1"/>

   </vgroup>

  </hgroup>

  <_description>
Reaction-diffusion: draws a grid of growing square-like shapes that,
once they overtake each other, react in unpredictable ways.

Written by Scott Draves; 1997.
  </_description>
</screensaver>