This streambuf decodes all quoted-printable (see RFC 2045) encoded data read from the istream connected to it.
Note: For performance reasons, the characters are read directly from the given istream's underlying streambuf, so the state of the istream will not reflect that of its streambuf.
Direct Base Classes: Poco::UnbufferedStreamBuf
All Base Classes: Poco::UnbufferedStreamBuf
std::istream & istr