Definition of exp is wrong

[philiprbrenan]

On page: https://perldoc.perl.org/5.30.0/index-functions.html#E the definition of exp is in correct saying:

exp

• raise I to a power

[Grinnz]

This and #138 are pod rendering issues. You can see how they're suppsoed to be rendered here: https://perldoc.pl/functions#Alphabetical-Listing-of-Perl-Functions