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On Mon, 3 May 2010, Philip Prindeville wrote:
The problem is this: the message will be intelligible to English language
readers, but it will generate a lot of false positives for mailing list
recipients who aren't expecting to get non-English messages (or English
messages encoded in anything other than USASCII, ISO-8895-1, or UTF-8).
:-)
If the message body is Content-Type: text/plain; charset=xxxx should it be
squashed down in the case of mailing list traffic for English language
mailing lists?
Nice idea. To make it really work, you should exempt the signature.
Meaning, there are people using their native spelling as
name.
use Encode::First qw(encode_first);
my $encodings = join('ascii', 'latin1', 'utf-8', $oldcharset);
my $encodings = join(',', 'ascii', 'latin1', 'utf-8');
"utf8" matches always, IMHO, but first you have to decode() the content,
which BTW I found problematic in its own, that's why I'm using
a "decode_first"-like function:
try decode with supplied charset, then check if it is good utf8,
then decode as latin1, which matches always.
That's the same with your sequence: $oldcharset will never reached
because you can always encode to 'utf-8'.
my ($newcharset, $newlen) = encode_first($encodings, $string);
if ($newlen<= length($string)) {
# use $newstr instead
}
This check does not fit, IMHO: If you have a real, 7bit clean ASCII
message, it should be the same in any other multi-byte or 8bit
encodings, because they use ASCII as bases, don't they?
Your goal is to hide the Asian charset for English messages,
therefore I would use:
my %goodCharset = ( qw/ascii latin1 iso-8856-1/ );
if(!$goodCharset{lc $oldcharset} && $goodCharset{lc $newcharset}) {
# replace body
}
UTF-8 does not do any good, but hides the Asian font :-)
Regards,
- --
Steffen Kaiser
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