IPP Mail Archive: Re: IPP> PRO: Protocol Examples

IPP Mail Archive: Re: IPP> PRO: Protocol Examples

Re: IPP> PRO: Protocol Examples

Carl Kugler (kugler@us.ibm.com)
4 Nov 1998 19:17:10 -0000

Tom said:
> I would say yes. The Protocol document should be fixed so that all
>
> keyword values are all lower case.
>
>
> I checked with the charset registry and the preferred MIME name is
> "US-ASCII".
>
> Fortunrately, it also say up front:
>
>
> <bigger>The character set names may be up to 40 characters taken from
> the
>
> printable characters of US-ASCII. However, no distinction is made
>
> between use of upper and lower case letters.
>
> </bigger>
>
> so IPP is ok in forcing the client to make these keywords be all lower
>
> case for simplicity in the server.
>
>
> Presumably, the server should reject a client that passes in keywords
>
> with uppercase in them, using the error code:
> 'client-error-bad-request'
>
>
> Or are we expecting servers to convert keywords to lower case before
>
> processing them?
>
>
> This could be an interoperability problem if we don't all agree.
>
>
> Tom
>
>
> At 11:46 04/06/1998 PDT, Carl Kugler wrote:
>
> >According to MOD, "IPP requires all lower case" for 'charset' and
>
> >'naturalLanguage' (refer to sections 4.1.9 and 4.1.10). However, the
> Protocol
>
> >Examples in Appendix A of MOD show mixed-case values, e.g.: "en-US" and
> "
>
> >US-ASCII", for attributes of type 'charset' and 'naturalLanguage' such
> as
>
> >attributes-charset and attributes-natural-language. Is this apparent
> conflict
>
> >an error?
>
> >
>
> > -Carl Kugler
>
> >
>
> >
>
>

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