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                 UNIX COMMON VARIABLES (-mu option)
   
 DICE supports UNIX common variables.  Many UNIX programs declare
 non-extern'd variables in header files (e.g. int a; instead of extern
 int a;).  This causes a particular global variable to be declared
 multiple times resulting in 'duplicate declaration' errors when linked
 on an Amiga.  Through the -mu option DICE will allow such multiple
 declarations however I strongly advise that you NOT use the capability
 unless you are porting UNIX specific code.