I am not agreed with item (25):

There SHOULD be whitespace between an indentifier and its indices. There SHOULD be whitespace between successive indices.

I see everywhere $array[$index] or $hash[$index] without any whitespaces and accustomed to this. IMHO Most perl core and CPAN modules do not satisfy that rule.

I see no readability problems with such a very standard situation of array or hash indicies.

I do agree on all other items though.

Courage, the Cowardly Dog