Junio C Hamano <gits...@pobox.com> writes:

> Thomas Rast <tr...@student.ethz.ch> writes:
>> This patch fixes the first two by doing a more careful decoding of the
>> =AB outer quoting.  Fixing the fundamental issues is left for a
>> future, more intrusive, patch.
> What is this =AB thing?

The two-hex-digits quoting in the style of MIME quoted-printable.  I
called it the "outer quoting" (RFC2047: "encoding") because it serves to
protect the bytes from transport damage; there is another encoding
(RFC2047: "character set") "inside" which is specified by the
=?utf-8?...?= wrapper.

BTW, note that we also only handle the Q outer quoting
(quoted-printable).  There is a B encoding, which your email in fact
used in the Cc: header:

Cc: [...] =?utf-8?B?SsO8cmdlbiBSw7xobGU=?= <j...@online.de>

B means Base64, as you can probably guess from the looks of it.

>> This is the easy part, fixed as per Junio's comment that it needs to
>> use a .*? match for the contents, and with a test.
> What's the hard part?  Do you mean the "fundamentally cannot" part?

Yes, and by "fundamentally" I meant "not without fixing something
outside of this function, which I am too lazy to do at this time". ;-)

Thomas Rast
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