Re^3: packing and unpacking

From perldoc -f pack:

Q   An unsigned quad value.
    (Quads are available only if your system supports 64-bit
    integer values _and_ if Perl has been compiled to support those.
    Causes a fatal error otherwise.)
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(($_="Mzz ojjdloobnf jt uvy5502383")=~y~b-zg2-5c96-81~a-z0-9~s)=~s~~~s; print

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Re^4: packing and unpacking by ungalnanban (Pilgrim) on Mar 12, 2010 at 10:24 UTC
I know that "perldoc -f pack" why it shows this error "Invalid type 'Q' "? --$ugum@r--	[reply]