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Date: Wed, 16 Sep 1998 10:30:55 -0600
From: Carl Kugler <kugler at>
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Subject: PWG> IPP> ADM - IPP Implementors' Guide Version 01:  Discussion
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> Question	How should the server handle the situation where the "attributes-charset" of the response itself is "us-ascii", but one or more attributes in that response is in the "utf-8" format?
> Consider a case where a client sends a Print-Job request with "utf-8" as the value of "attributes-charset" and with the "job-name" attribute supplied.  Later another client
> sends a Get-Job-Attribute or Get-Jobs request.  This second request contains the "attributes-charset" with value "us-ascii" and "requested-attributes" attribute with
> exactly one value "job-name".
> According to the IPP-Mod document (section, the value of the "attributes-charset" for the response of the second request must be "us-ascii" since that is the charset
> specified in the request.  The "job-name" value, however,  is in "utf-8" format.  Should the request be rejected even though both "utf-8" and "us-ascii" charsets are supported by the server? or should the "job-name" value be converted to "us-ascii" and return "successful-ok-conflicting-attributes"  (0x0002) as the status code?
> Van Dang

My understanding:  in this situation the Printer is required to convert
the job-name value from utf-8 charset to us-ascii.  If it can't, it
shouldn't advertise us-ascii as a attributes-charset-supported.

One implementation strategy is to convert all incoming text and name
values to a Unicode internal representation.  This is 16-bit and
virtually universal.  Then convert to the specified operation
attributes-charset on output.

	-Carl Kugler

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