This file is indexed.

/usr/share/xscreensaver/config/kaleidescope.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="kaleidescope" _label="Kaleidescope">

  <command arg="-root"/>

  <video href="https://www.youtube.com/watch?v=mGplFlx1y3M"/>

  <number id="delay" type="slider" arg="-delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="100000" default="20000"
          convert="invert"/>

  <number id="nsegments" type="slider" arg="-nsegments %"
          _label="Segments" _low-label="Few" _high-label="Many"
          low="1" high="100" default="7"/>

  <number id="symmetry" type="slider" arg="-symmetry %"
          _label="Symmetry" _low-label="3" _high-label="32"
          low="3" high="32" default="11"/>

  <number id="ntrails" type="slider" arg="-ntrails %"
          _label="Trails" _low-label="Few" _high-label="Many"
          low="1" high="1000" default="100"/>

  <!-- #### -local_rotation [-59] -->
  <!-- #### -global_rotation [1] -->
  <!-- #### -spring_constant [5] -->

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

  <xscreensaver-updater />

  <_description>
A simple kaleidoscope made of line segments.  See "GLeidescope"
for a more sophisticated take.

https://en.wikipedia.org/wiki/Kaleidoscope

Written by Ron Tapia; 1997.
  </_description>
</screensaver>