I protected a page in etwiki as an administrator (semi-protection). Protection duration was unlimited.
Despite this the page was edited by anonymous user (IP).
You can see the edits here: https://et.wikipedia.org/w/index.php?title=Elektrooniline_h%C3%A4%C3%A4letamine_Eestis&type=revision&diff=4875571&oldid=4874780
Can someone please look into it? This shouldn't be possible.