Though I've never seen a language that is completely free of whitespace restrictions
I have. But such languages invariably have much
simpler syntax than Perl. In most cases they're
oddball languages created for hack value that
advertise Turing-equivalence as an important
feature and have never been used (or intended)
for anything serious.
As far as real languages, Perl5 has fewer and more
reasonable whitespace restrictions than average I
think. I do wish we had whitespace-folding multiline
strings like in Inform (but not at the expense of
regular strings). I believe Perl6 will allow such
a syntax to be added to the grammar without having
much impact on anything else (provided the syntax
for it is carefully chosen to not conflict),
which will be nifty. Some of the languages in the
lisp family are pretty reasonable about their use
of whitespace too. You do have to have whitespace
between items in a list, but it makes no difference
how much whitespace or what kind, and the restriction
is unlikely to bother anyone since the whitespace is
not redundant: it's the only syntactic element
between items in a list. (Usually the syntactic
feature that bothers people about these languages
is the pervasive use of parentheses, especially if
said people aren't accustomed to using an editor
with paren-matching, auto-indentation, and sexp-based
cursor navigation. Perl goes the other way and
allows you to use a lot fewer parentheses than many
other popular languages, and I think this is going
to stay mostly the same in Perl6.)
split//,".rekcah lreP rehtona tsuJ";$\=$;[-1]->();print
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