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2486bis issue: utf-8

Comment:	Curtesy of Henrik Levkowetz <henrik@levkowetz.com>

1)

In Section 2.1 it says:

   char        =  c
   char        =/ "\" x


[...]

   c          =/ %x80-ff ; UTF-8            allowed (not in RFC 2486)
               ; c must also satisfy rules in Section 2.4
   x          =  %x00-FF ; all 128 ASCII characters, no exception;
                         ; as well as all UTF-8 characters (this
                         ; was not allowed in RFC 2486)

With good will and positive thinking, it is possible to work out that
the indication "UTF-8" means any component octet in an utf-8 encoded
character; however it is not correct in either of the above ABNF rules
that 0x80-ff is a UTF-8 character, nor that an arbitrary UTF-8 character
can be represented as %x80-FF. 

So maybe replace this with:

    c          =/ %x80-FF ; UTF-8-octet      allowed (not in RFC 2486)
                            ; where UTF-8-octet is any octet in the
                            ; multi-octet UTF-8 representation of a
                            ; unicode codepoint above %x7F.
                ; c must also satisfy rules in Section 2.4
    x          =  %x00-FF ; all 128 ASCII characters, no exception;
                            ; as well as all UTF-8-octets as defined
                            ; above (this was not allowed in RFC 2486)


Right. This works for me. Changed...

--Jari


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