Re: [ietf-types] Review of text/parameters

Magnus Westerlund <magnus.westerlund@ericsson.com> Wed, 09 May 2012 07:42 UTC

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Date: Wed, 9 May 2012 09:41:56 +0200
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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To: Bjoern Hoehrmann <derhoermi@gmx.net>
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Subject: Re: [ietf-types] Review of text/parameters
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Thanks for the review.


On 2012-05-05 21:59, Bjoern Hoehrmann wrote:
> * Magnus Westerlund wrote:
>> https://datatracker.ietf.org/doc/draft-ietf-mmusic-rfc2326bis/
> 
>> 22.16.  Media Type Registration for text/parameters
>>
>>   Type name:  text
>>
>>   Subtype name:  parameters
>>
>>   Required parameters:
>>
>>   Optional parameters:
> 
> Well, text types usually have a 'charset' parameter, and applications
> are known to treat, say, a HTTP response with
> 
>   Content-Type: text/parameters;charset=iso-8859-1
> 
> As ISO-8859-1 encoded document, even though I gather they are to use
> UTF-8 to decode the document. If you don't want a 'charset' parameter,
> this problem should be noted in the Security or Interoperability con-
> siderations.

Yes, you are correct. I guess having the charset being applicable to the
values of the parameters would be very reasonable. The parameters
themselves are in this format restricted to visible 7-bit US-ASCII
characters.

> 
>>   Encoding considerations:
> 
> This field needs a value (probably "8bit" or "binary").

That would be 8bit if I interpret that definition correctly. This will
only contain UTF8 text.

Cheers

Magnus Westerlund

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