Hi,
I've tried this only in the messages yet - so I don't know if it is in "normal" posts too.
In a message text with activated smiley rendering there was written this text:
"Da ich some-irrelevant-text-here".
I got this:
";Da ..."
The "&" and "quot" were written as text, the "& # 59 ; & # 68 ;" was a smiley - the gray one which is shown in the next post. The "a" was the char from "Da".
I guess, this is a bug.
Here the smiley render is active, so you will see the smiley described above:
;D
and the text:
"Da ich ..."