- <p><img class="left" src="../shared_images/sort_selected.svg"> is derived from <code>sort</code>, which is part of the <a href="https://material.io/icons/">Android Material icon set</a>
- and is released under the <a href ="https://www.apache.org/licenses/LICENSE-2.0">Apache License 2.0</a>. Modifications copyright © 2019 <a href="mailto:soren@stoutner.com">Soren Stoutner</a>.
+ <p><img class="left" src="../shared_images/sort_selected.svg"> is derived from <code>sort</code>, which is part of the <a href="https://fonts.google.com/icons">Android Material icon set</a>
+ and is released under the <a href ="https://www.apache.org/licenses/LICENSE-2.0">Apache License 2.0</a>. Modifications copyright 2019, 2022 <a href="mailto:soren@stoutner.com">Soren Stoutner</a>.
+ The resulting image is released under the <a href="https://www.gnu.org/licenses/gpl-3.0.html">GPLv3+ license</a>.</p>
+ <p><img class="left" src="../shared_images/push_pin_filled_selected.svg"> is derived from <code>push_pin_selected</code>,
+ which is part of the <a href="https://fonts.google.com/icons">Android Material icon set</a> and is released under the <a href ="https://www.apache.org/licenses/LICENSE-2.0">Apache License 2.0</a>.
+ Modifications copyright 2019-2020, 2022 <a href="mailto:soren@stoutner.com">Soren Stoutner</a>.