Transliteration fun

[-JKP-]

...

The point is that it is very clear and deliberate and it occurs exactly once among approx. 160,000 symbols.
There are similar cases, e.g. the first character in You are not allowed to view links. Register or Login to view. line 2:



or the first in You are not allowed to view links. Register or Login to view. line 15:



What is the mechanism whereby such individual characters appear?

René, my best guess for the two characters that look vaguely like reverse-EVA-s is that they resemble Hebrew lamed.