--remove-invisible-elements no removes visible element with <clipPath containing <use refering to a <g roup containing two <path

[JoKalliauer]

I am processing https://commons.wikimedia.org/wiki/File:Flag-map_of_the_world.svg

svgcleaner

removes objects

maybe related to #201

Input

  <clipPath id="db">
   <use id="use665" height="1" width="1" xlink:href="#m2"/>
  </clipPath>
...
 <g id="m2" fill="none" stroke="#000" stroke-miterlimit="3.983" stroke-width=".578">
  <path id="path14208" d="m796.6227 1097.4985c.2848 ..." transform="matrix(.87125 0 0 .85965 -3.35 7.69)"/>
  <path id="path14210" d="m735.3095 1012.7485c.2906 ..."/>
 </g>

rsvg	Inkscape

Output

rsvg	Inkscape

Copyright

source: https://commons.wikimedia.org/wiki/File:Flag-map_of_the_world.svg

Author: https://en.wikipedia.org/wiki/User:Transparent_6lue

License: Public Domain

[JoKalliauer]

Correct behaviour, see https://en.wikipedia.org/wiki/User_talk:Transparent_6lue#File:Flag-map_of_the_world.svg_4