Network.Parser.Rfc2045
mimePartHeaders
entityHeaders
entityHeader
version
ietfToken
ianaToken
tspecialsPred
tspecials
tokenPred
token
attribute
parameter
xTokenPred
xToken
value
mtype
subtype
extensionToken
content
encoding
mechanism
safeCharPred
safeChar
hexOctet
transportPadding
ptext
qpSection
qpSegment
qpPart
qpLine
quotedPrintable
contentId
description
mimeExtensionField
colonsp
semicolonsp
data HeaderType
data Header