B_MAIL_US_ASCII_CONVERSION
&& fMailCharacterSet != B_MAIL_US_ASCII_CONVERSION
&& fMailCharacterSet != B_MAIL_US_ASCII_CONVERSION
|| characterSetToUse == B_MAIL_US_ASCII_CONVERSION
msg->AddInt32("charset", B_MAIL_US_ASCII_CONVERSION);
if (defaultCharSet == B_MAIL_US_ASCII_CONVERSION && !markedCharSet) {
msg->AddInt32("encoding", B_MAIL_US_ASCII_CONVERSION);
if (encoding == B_MAIL_US_ASCII_CONVERSION)
&& fMailCharacterSet != B_MAIL_US_ASCII_CONVERSION
charset = B_MAIL_US_ASCII_CONVERSION;
} else if (srcEncoding == B_MAIL_US_ASCII_CONVERSION) {
if (dstEncoding == B_MAIL_US_ASCII_CONVERSION) {
convertID = B_MAIL_US_ASCII_CONVERSION;
{"us-ascii", B_MAIL_US_ASCII_CONVERSION}, // MIME STANDARD