Why are HTTP headers overwritten in Perl?

Question

Perl

print "Expires: Thu, 08 May 2003 08:37:25 GMT\n\n";
print "Content-Type: text/html; charset=windows-1251\n\n";

Only the first header is set, instead of the second it gives Content-Type: text/perl-x, plus Vary is overwritten.
Actually the purpose of all this is to install Expires. Can anyone help?

Answer 1

An empty string is the end of the headers and the beginning of the request body. Headers are separated by "\r\n", not "\n\n"