On 11/20/07, Mark Wagner <[EMAIL PROTECTED]> wrote:
> To simplify the question, can I use characters that aren't valid
> Unicode, and if so, are there any consequences?
Do you mean, suppose I replace every non-ASCII character with some
invalid character:
my $invalid = chr(0x110000);
$data =~ s/[^\0-\0177]/$invalid/g;
...Will there be any consequences? Yes; your data will be altered. (Is
that what you're asking?)
Are you trying to ask, will Perl prohibit the use of invalid Unicode
characters? Perl strings should be safe for any data. What happened
when you tried it?
Are you trying to ask, will today's invalid Unicode characters be used
for some valid purpose in tomorrow's Unicode, and thereby break my
program? Maybe.
Are you trying to ask something else?
Cheers!
--Tom Phoenix
Stonehenge Perl Training
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