Reply to Reply to A simpler idea for the missing O mapping?

[Michael Storz <[e-mail]>]

> Urs suggested:
>
> > If I'm not correct, then we should choose a placeholder
> > value, which can't be used in a Standard Attribute,
> > for example '%'. This would make everyting clear.
>
> Michael suggested:
>
> > What about using the value $empty? This cannot be used as a PRMD or ORG, but
> > as a RDN and it denotes clearly, what is meant.
>
> I think that you are both forgetting that we need to support both X.400/84 and
> X.400/88.  In X.400/88, O/R address elements can be PrintableString -or-
> T.61 String.  The characters '%' and '$' are both valid T.61 characters, so
> both '%' and '$empty' represent valid X.400/88 O/R address elements.

You are right. I have only checked PRMD, which is printablestring (or
numericstring) and forgot to lookup for organization, which got the extension
of T.61 in X.400/88.

>
> Also, you need to remember that currently the X.500 mHSxxx attributes are
> defined with syntax caseIgnoreString which I think is PrintableString or
> T.61 string, so this will make it difficult to define a string which is
> valid for the X.500 place holder attribute but invalid for an O/R address
> element.
>
> I think that single space may be the best choice.

I do not like space, but under the above circumstances (no chance to find a
value, which is not allowed as PRMD or ORG and allowed in pRMDName or
mHSOrganizationName) a single space may indeed be the best choice.

Regards,

Michael