Re^4: Email::MIME support for utf8 filename

Okay, that worked. Interestingly, it not only suppressed the warning, but also, below in the code, enabled Email::MIME to really extract the filename....

Thanks a lot!

Comment on Re^4: Email::MIME support for utf8 filename

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Re^5: Email::MIME support for utf8 filename by Corion (Patriarch) on Dec 27, 2018 at 11:21 UTC
I think something about that line is not strict enough for the regular expressions to match, but I don't immediately see what makes Email::MIME::ContentType dislike that line. Update: It seems that the handling of Email::MIME::ContentType does not like `?` in the string (and the test suite does not contain anything like `name="?UTF-8?foobar"`). RFC 2048 allows such values (I think), so I think that this causes the bug (but I haven't written a proper test case to reproduce this). I haven't reported the issue yet, so if anybody wants to beat me to the punch (or finds the existing issue for that), feel free to open an issue yourself!	[reply] [d/l] [select]

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Re^5: Email::MIME support for utf8 filename
by Corion (Patriarch) on Dec 27, 2018 at 11:21 UTC

I think something about that line is not strict enough for the regular expressions to match, but I don't immediately see what makes Email::MIME::ContentType dislike that line.

Update: It seems that the handling of Email::MIME::ContentType does not like ? in the string (and the test suite does not contain anything like name="?UTF-8?foobar"). RFC 2048 allows such values (I think), so I think that this causes the bug (but I haven't written a proper test case to reproduce this). I haven't reported the issue yet, so if anybody wants to beat me to the punch (or finds the existing issue for that), feel free to open an issue yourself!

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