SMF: Linking to to topics from other sites, comma problem

I thought this might help other people with linking to forum topics in other places.

sites or chat programs might neglect to accept commas as part of a link. to get around this problem, change , to =

http://forum.metroid2002.com/index.php/topic,4297.0.html
http://forum.metroid2002.com/index.php?topic=4297.0
optional: change / to ?
optional: remove .html

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