Just for kicks, here's another Logo implementation, this one written in C: Berkeley Logo.
in reply to Re: Favorite programming language, other than Perl:
in thread Favorite programming language, other than Perl:
And, just for a few more kicks and to show that Logo isn't just for graphics, here is Brian Harvey's sample program from the linked page (it generates combinations from a list of lists):
to choices :menu [:sofar ]
if emptyp :menu [print :sofar stop]
foreach first :menu [(choices butfirst :menu sentence :sofar ?)]