, ), *,
+, -, ;, =, ?, @, ^, _, {, |, }, and ~, in that order, characters that
are safe to use in JSON and XML formats.
This creates a string that is (1.2666) larger than the original
data, making it
', '^', '_', '{',
'|', '}', and '~'.
and allows the encoded data to be used without issue in JSON or XML.
=cut
=head2 Ascii85
Base81 is a subset of Base85, which is similar in concept to
L<Asc