Wikimedia Bugzilla is closed!

HTML embed text creates invalid mixup of GFDL and CC license:


... <a title="GNU Free Documentation License" href="http://www.gnu.org/copyleft/fdl.html">CC BY-SA 3.0</a> ...

is - obviously - invalid. 

Suggestion: Use highest CC license only. For this image it is CC4 (separate bug)

Full HTML for above example:

<p><a href="https://commons.wikimedia.org/wiki/File:H%C3%B6henrettungs%C3%BCbung_der_Feuerwehr_K%C3%B6ln_an_der_Seilbahn-6071.jpg#mediaviewer/File:H%C3%B6henrettungs%C3%BCbung_der_Feuerwehr_K%C3%B6ln_an_der_Seilbahn-6071.jpg">
<img alt="Höhenrettungsübung der Feuerwehr Köln an der Seilbahn-6071.jpg" src="https://upload.wikimedia.org/wikipedia/commons/f/f2/H%C3%B6henrettungs%C3%BCbung_der_Feuerwehr_K%C3%B6ln_an_der_Seilbahn-6071.jpg" height="2268" width="2268"></a>
<br>
„<a href="https://commons.wikimedia.org/wiki/File:H%C3%B6henrettungs%C3%BCbung_der_Feuerwehr_K%C3%B6ln_an_der_Seilbahn-6071.jpg#mediaviewer/File:H%C3%B6henrettungs%C3%BCbung_der_Feuerwehr_K%C3%B6ln_an_der_Seilbahn-6071.jpg">Höhenrettungsübung der Feuerwehr Köln an der Seilbahn-6071</a>“ 
von <a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a> - 
<span class="int-own-work">Eigenes Werk</span>. 
Lizenziert unter <a title="GNU Free Documentation License" href="http://www.gnu.org/copyleft/fdl.html">CC BY-SA 3.0</a> über <a href="//commons.wikimedia.org/wiki/">null</a>.</p>