That's the UTF-8 representation of 'RIGHT SINGLE QUOTATION MARK': https://www.fileformat.info/info/unicode/char/2019/index.htm

Where I come from its an apostrophe :P Still wonder how/why its able to escape
into the echo....


Spec


--- --- SuperBBS v1.17-3 (Eval)
* Origin: <Shoot'n the breeze on The Lower Planes> (21:3/105)