<http://tools.ietf.org/html/rfc2047#section-2> While there is no limit to the length of a multiple-line header field, each line of a header field that contains one or more 'encoded-word's is limited to 76 characters. </>
et
<http://tools.ietf.org/html/rfc2047#section-5> [...] an 'encoded-word' that appears in a header field defined as '*text' MUST be separated from any adjacent 'encoded-word' or 'text' by 'linear-white-space'. </>
<http://tools.ietf.org/html/rfc2047#section-2>
While there is no limit to the length of a multiple-line header
field, each line of a header field that contains one or more
'encoded-word's is limited to 76 characters.
</>
et
<http://tools.ietf.org/html/rfc2047#section-5>
[...] an 'encoded-word' that appears in a
header field defined as '*text' MUST be separated from any adjacent
'encoded-word' or 'text' by 'linear-white-space'.
</>
<http://tools.ietf.org/html/rfc2047#section-2> While there is no limit to the length of a multiple-line header field, each line of a header field that contains one or more 'encoded-word's is limited to 76 characters. </>
et
<http://tools.ietf.org/html/rfc2047#section-5> [...] an 'encoded-word' that appears in a header field defined as '*text' MUST be separated from any adjacent 'encoded-word' or 'text' by 'linear-white-space'. </>