[io grant] Point out my $*CWD = chdir … is an error
[io grant] Point out my $*CWD = chdir … is an error

Will eventually write a separate paragraph on all the evils of $*CWD
and link to it from all the problematic areas.
MasterDuke17/doc,gfldex/doc,jonathanstowe/doc,antquinonez/doc,dmaestro/doc,antquinonez/doc,perl6/doc,jonathanstowe/doc,perl6/doc,tbrowder/doc,dmaestro/doc,dmaestro/doc,gfldex/doc,MasterDuke17/doc,MasterDuke17/doc,jonathanstowe/doc,tbrowder/doc,antquinonez/doc,gfldex/doc,gfldex/doc,stmuk/doc,stmuk/doc,jonathanstowe/doc,MasterDuke17/doc,perl6/doc,stmuk/doc,jonathanstowe/doc,stmuk/doc,dmaestro/doc,stmuk/doc,tbrowder/doc,antquinonez/doc,gfldex/doc,perl6/doc,perl6/doc,antquinonez/doc,tbrowder/doc,dmaestro/doc