in reply to EXPORT_TAGS does not export a defined tag

See also the note under What Not to Export:
There's one more item to add to this list. Do not export variable names. Just because Exporter lets you do that, it does not mean you should. 
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In Section Seekers of Perl Wisdom