IPP> Re: Unsigned integer count for attribute name

IPP> Re: Unsigned integer count for attribute name

IPP> Re: Unsigned integer count for attribute name

Tom Hastings hastings at cp10.es.xerox.com
Wed May 28 15:20:13 EDT 1997


Gee.  I thought that we agreed that attribute values were keywords, not
numbers. That is why there is a count for every attribute value.  Ok?


Sorry I didn't see this  mail message until now.


Tom


At 10:46 05/21/97 PDT, Paul Moore wrote:
>The length ot the attribute name is 2 bytes.
>
>The one that I think is much more interesting - which we did not drill
>into - is keyword values for attributes. I still have those as 2 byte
>enumerations. I think this is the right thing to do and Tom agreed at
>the meeting but there was not a lot of discusion.
>
>Eg Operation has two values 1 (which means Validate) and 2 (meaning
>printjob).
>DocumentFormat uses the rfc1759 values
>etc.


So these values should be key words, not enums, ok?


Tom


>
>> -----Original Message-----
>> From:	Scott Isaacson [SMTP:SISAACSON at novell.com]
>> Sent:	Wednesday, May 21, 1997 9:32 AM
>> To:	hastings at cp10.es.xerox.com; Robert.Herriot at Eng.Sun.COM; Paul
>> Moore
>> Cc:	ipp at pwg.org
>> Subject:	IPP> Re: Unsigned integer count for attribute name
>> keywordsandattribute values
>> 
>> 
>> 
>> >>> Robert Herriot <Robert.Herriot at Eng.Sun.COM> 05/20 1:37 PM >>>
>> 
>> > Did we agree to one or two bytes for the length of attribute names?
>> I
>> > thought two, just in case we ever use Unicode rather than UTF-8 to
>> > encode attribute names.  We wouldn't want the attributes to then be
>> > limited to 127 characters.
>> 
>> I thought all lengths would be 2 or 4 bytes, never just 1.  I thought
>> we
>> limited attribute names to be the same as keywords now:  US ASCII
>> characters
>> 
>> (a-zA-Z), digits (0-9), hyphen (-) and underscore (_).   We all know
>> the
>> consequences of not being able to internationalize these attribute
>> names,
>> but why are you suggesting maybe someday worrying about UTF-8 for
>> attribute
>> names?
>> 
>> Scott
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