I usually do 'nonstandard' tags in start_html by prepending a - to their names, à la:

print $query->start_html(-title=>"Hi there",
                         -bgcolor=>'#ffffff');
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Yeah, title is standard but I do that for uniformity and to avoid getting odd results when a tag I think is a standard one isn't.

HTH.

perl -e 'print "How sweet does a rose smell? "; chomp ($n = <STDIN>); 
+$rose = "smells sweet to degree $n"; *other_name = *rose; print "$oth
+er_name\n"'
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