On Tue 26/Mar/2024 16:18:31 +0100 John R Levine wrote:

  ::00:ffff:12.34.56.78
  0:0:0:0:0:0:ffff:012.034.056.078


The latter yields failure running the example program in the inet_pton(3) man page.  See e.g.
https://www.man7.org/linux/man-pages/man3/inet_pton.3.html#EXAMPLES


My bad. After checking RFC 4291, 0:0:0:0:0:ffff:012.034.056.078 is valid. So are 0:0:0:0:0:0:012.034.056.078 or ::12.34.56.78.


That's yet another reason not to change the XML spec.  Please stop.


No. To take several years and come up with a syntax which does not cover all valid addresses is a sign of incompetence that this WG doesn't deserve, IMHO. What do others think?

Let's rather switch to /[0-9a-fA-F.:]+/.  Terse and correct.


Best
Ale
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