Baeh,

http://perldoc.com/perl5.6/pod/perlfaq1.html#What's the difference between "perl" and "Perl"%3F

http://perldoc.com/perl5.6/pod/perlfaq1.html#What's the difference between "perl" and "Perl"%3F ist zwar RFC-genormt, das moegen aber die Browser nicht ;(

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n.d.p.