This is the revision history for // in <freenode.net:##NULL>

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14473 // is defined-or operators: http://perldoc.perl.org/perl5100delta.html#Defined-or-operator simcop2387 <*:##NULL>
10434 // is defined-or operators: http://perldoc.perl.org/perl5100delta.html#Defined-or-operator ( http://bit.ly/1jujsRp ) rindolf <*:##NULL>
10433 // is defined-or operators: http://perldoc.perl.org/perl5100delta.html#Defined-or-operator rindolf <*:##NULL>
4673 // is defined-or operators: http://xrl.us/5kd5 perlbot <*:##NULL>