<<
<< I'm using Netscape Communicator v4.5. (i'm at work) >>
OK. That explains the different sayings.
EDIT: Now I get it. about:mozilla in IE is a blue screen, while about:mozilla in Mozilla is a bizarre saying >>
It's been in Netscape since pre1.0 days. It used to change the little moving icon thingie in the top right from whatever was default to a dragon popping up and down. Dunno if it still does that or not, don't have NS or Mozilla installed, been awhile since I last checked.