The short: you're having a problem with your quotes.

print "<font face=\"courier\">xyzzy</font>";
[download]

The other short: There are better ways to print HTML. CGI.pm comes in handy, or maybe even HTML::Template. Check 'em out.

HTH

Update: Oh, and incase you haven't seen it. use CGI or die;.

--
Rock is dead. Long live paper and scissors!