Why does the template take 2 arguments?

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One thing struck me when I took a look at the source of this template: It supports two arguments, which are simply pasted one after the other (or maybe it's vice versa (: ). What is the purpose of supporting two arguments; why not put everything in the first argument when you are using the template? Unless there is a real reason for this, I suggest that the second argument is removed. --Kri (talk) 00:17, 5 April 2011 (UTC)Reply

Oops, posted on the wrong talk page. See the template talk page instead. --Kri (talk) 21:40, 5 April 2011 (UTC)Reply