class Mail::UnstructuredField

unencoded text.)
without having to separate 'encoded-word's where spaces occur in the
multiple 'encoded-word's to represent long strings of unencoded text,
adjacent 'encoded-word's is ignored. (This is to allow the use of
'encoded-word's, any 'linear-white-space' that separates a pair of
When displaying a particular header field that contains multiple

6.2. Display of 'encoded-word's

def wrap_lines(name, folded_lines)
  result = ["#{name}: #{folded_lines.shift}"]
  result.concat(folded_lines)
  result.join("\r\n\s")
end