comparison operators, C<cmp>, C<gt>, C<lt> etc. If there are two or
more dots in the literal, the leading C<v> may be omitted.
- print v9786; # prints UTF-8 encoded SMILEY, "\x{263a}"
+ print v9786; # prints SMILEY, "\x{263a}"
print v102.111.111; # prints "foo"
print 102.111.111; # same