Template:Xpdn

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 * Usage&#58;
 * The default separator is "⇒", use e.g.  for "=". The second parameter has to specified and can't be empty, compare . With optional substitution   the first parameter also can't be empty.
 * The default separator is "⇒", use e.g.  for "=". The second parameter has to specified and can't be empty, compare . With optional substitution   the first parameter also can't be empty.


 * Example&#58;
 * gives