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[stir] Second proposal for update of erratum #6519

Marc Petit-Huguenin <marc@petit-huguenin.org> Tue, 20 April 2021 21:38 UTC

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From: Marc Petit-Huguenin <marc@petit-huguenin.org>
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Subject: [stir] Second proposal for update of erratum #6519
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This is a refreshed proposal for the update of erratum #6519, which I tried to collect all the parts where we have somehow consensus.  As before, "Original Text" and "Corrected Text" refer to the names of the erratum fields, not to the current content:

- Original Text:

Section 4 says:

  ident-type = "ppt" EQUAL token


- Corrected Text:

It should say:

  ident-type =  "ppt" EQUAL ( token / ( DQUOTE token DQUOTE ) )

Furthermore in the second paragraph of section 4, the following sentence should be inserted after 'defines the optional "ppt" parameter (PASSporT Type).':

  Implementations SHOULD use quotes around the token when sending and MUST accept the token with or without the quotes around it when receiving.

Similarly in the fourth bullet of the first list in section 4.1, the sentence '...a value equivalent to the quoted value of the "ppt" parameter...' is replaced by:

  ...a quoted value whose unquoted part is equivalent to the token in the "ppt" parameter, normalized to contain only lowercase characters...

Finally in the first paragraph of section 9, the sentence '...The "ppt" parameter value MUST consist of a token...' is replaced by:

  ...The "ppt" parameter value MUST consist of a token (between quotes)...


- Notes:

Based on discussions in the STIR WG, implementations should use the quoted form when sending, but should accept both forms when receiving.  Regardless of the presence of the quotes, the content is treated as a token, i.e. is case-insensitive as explained in RFC 3261 section 7.3.1.  Note also that the new syntax does not allow for spaces immediately before or immediately after the token when quoted.


-- 
Marc Petit-Huguenin
Email: marc@petit-huguenin.org
Blog: https://marc.petit-huguenin.org
Profile: https://www.linkedin.com/in/petithug

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