This is the revision history for $a in <*:##NULL>

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15626 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see https://metacpan.org/pod/Perl::Critic::Policy::Community::DollarAB ; consider using $x, $y instead. | https://perldoc.perl.org/variables/$a ilmari
15449 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see https://metacpan.org/pod/Perl::Critic::Policy::Freenode::DollarAB ; consider using $x, $y instead. | https://perldoc.perl.org/variables/$a grinnz
13589 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see https://metacpan.org/pod/Perl::Critic::Policy::Freenode::DollarAB ; consider using $x, $y instead. | https://perldoc.pl/variables/$a grinnz
12710 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see https://metacpan.org/pod/Perl::Critic::Policy::Freenode::DollarAB ; consider using $x, $y instead. pink_mist
11318 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see http://perl-begin.org/tutorials/bad-elements/#vars-a-and-b | consider $x, $y instead grinnz_
11278 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see http://perl-begin.org/tutorials/bad-elements/#vars-a-and-b | consider $a, $b or $α, $β instead tm604
10442 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. Please see http://perl-begin.org/tutorials/bad-elements/#vars-a-and-b pink_mist
10441 $a is Don't use $a or $b as variable names. Not even in examples. They are not normal variables and will not behave like normal variables. The only place they are cromulent is in a sort or List::Util block. pink_mist