This file is indexed.

/usr/share/xscreensaver/config/ripples.xml is in xscreensaver-data-extra 5.15-3ubuntu1.

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="ripples" _label="Ripples">

  <command arg="-root"/>

  <hgroup>
   <vgroup>
    <number id="delay" type="slider" arg="-delay %"
            _label="Frame rate" _low-label="Low" _high-label="High"
            low="0" high="100000" default="50000"
            convert="invert"/>

    <number id="duration" type="slider" arg="-duration %"
            _label="Duration" _low-label="10 seconds" _high-label="10 minutes"
            low="10" high="600" default="120"/>

    <number id="rate" type="slider" arg="-rate %"
            _label="Drippiness" _low-label="Drizzle" _high-label="Storm"
            low="1" high="100" default="5"
            convert="invert"/>

    <number id="fluidity" type="slider" arg="-fluidity %"
            _label="Fluidity" _low-label="Small drops" _high-label="Big drops"
            low="0" high="16" default="6"
            convert="invert"/>
   </vgroup>
   <vgroup>

    <hgroup>
     <boolean id="stir" _label="Moving splashes" arg-set="-stir"/>
     <boolean id="oily" _label="Psychedelic colors" arg-set="-oily"/>
     <boolean id="gray" _label="Grayscale" arg-set="-grayscale"/>
    </hgroup>

    <xscreensaver-image />

    <number id="light" type="spinbutton" arg="-light %"
            _label="Magic lighting effect" low="0" high="8" default="4"/>
    <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>

   </vgroup>
  </hgroup>

  <_description>
This draws rippling interference patterns like splashing water,
overlayed on the desktop or an image.

Written by Tom Hammersley; 1999.
  </_description>
</screensaver>