Non ASCII Subjects will use RFC2047 to encode their content. Using
mime4cl's parse-RFC2047-text we obtain a list of ASCII strings and byte
vectors tagged with their encoding. Using babel we can then decode the
byte sequence, assuming the encoding is named the same in babel and
RFC2047 (which it is for UTF-8 at least…).
Change-Id: I2840672409452bd194fb1635721e338364d9b484
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5078
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
5789814dec
