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RFC 5954, "Essential Correction for IPv6 ABNF and URI Comparison in RFC 3261", August 2010

Source of RFC: sip (rai)

Errata ID: 4929
Status: Reported
Type: Editorial
Publication Format(s) : TEXT

Reported By: David van Moolenbroek
Date Reported: 2017-02-08

Section 3.1 says:

   Because the <hexpart> production rule is defined such that two of its
   alternatives already include the "::" token, this may yield to the
   faulty construction of an IPv6-mapped IPv4 address with an extra
   colon when expanding those alternatives.

It should say:

   Because the <hexpart> production rule is defined such that two of its
   alternatives already include the "::" token, this may yield to the
   faulty construction of an IPv4-mapped IPv6 address with an extra
   colon when expanding those alternatives.

Notes:

The text refers to an IPv6 address, and thus should use the proper term "IPv4-mapped IPv6 address," in line with the section title, the rest of the document, and (in particular) RFC 4291.

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