specials = Special charcters that require quoting.
specials: CSET
Content encoding for the message header.
const HeaderEncoding: Char
Transfer encoding for the message header.
TransferHeader: TTransfer
MIME character set for the message header.
MimeCharSet: string
Returns
String - Value of the encoded message header.
Description
EncodeHeader is a String function that encodes a message header containing non-US-ASCII characters using the content encoding, transfer encoding, and character set specified in the input parameters.