[EAI] Re: "6. Email header Downgrading" (Re: I-D ACTION:draft-ietf-eai-downgrade-03.txt)

[Kari Hurtta <hurtta+gmane at siilo.fmi.fi>]

"Charles Lindsey" <chl at clerew.man.ac.uk> writes in gmane.ietf.ima:

> On Fri, 09 Mar 2007 05:03:45 -0000, Kari Hurtta
> <hurtta+gmane at siilo.fmi.fi> wrote:
> 
> 
> > |   other headers:
> > |      All other headers which contains UTF-8 characters are preserved in
> > |      Downgraded: header and removed.
> >
> > Removing of MIME's  Content-Type -header field produces incorrect result.
> >
> > Basically mime-type part (type/subtype) of that header-field must be
> > preserved.
> > Also following mime paramaters need to be preserved: charset and boundary
> > These parameter values should be ASCII -only.  Also type/subtype value
> > should be ASCII -only.
> 
> Which just leaves possible <parameter>s with UTF-8 in theor
> <value>s. We  should define that these are to be downgraded using RFC
> 2231.

And do not forget comments.

draft-ietf-eai-utf8headers-03.txt:

|   comment = "(" *([FWS] utf8-ccontent) [FWS] ")"
|
|   word    = utf8-atom / utf8-quoted-string
|
|   This means that all the RFC 2822 constructs that build upon these
|   will permit UTF-8 characters, including comments and quoted strings.

> -- 
> CharlesÂH.ÂLindseyÂ---------AtÂHome,ÂdoingÂmyÂownÂthing------------------------
> Tel:Â+44Â161Â436Â6131Â;
> ÂÂÂWeb:Âhttp://www.cs.man.ac.uk/~chl
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/ Kari Hurtta


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