registry vs. extensions...

Peter Constable petercon at
Wed Oct 29 09:33:11 CET 2003

> -----Original Message-----
> From: ietf-languages-bounces at [mailto:ietf-languages-
> bounces at] On Behalf Of han.steenwijk at

> Yes, please let us have this -x- feature included into RFC 3066!

If we use something alphabetic like -x-, existing implementations will
not recognize the two parts to the tag, so en-x-mylect would not be
recognized as en. On the other hand, fallback would still happen, so
that a request for en would match resources tagged as en-x-mylect. Also,
if a non-alphabetic like (say) + were used, thus en+mylect, then there
might be some existing implementations that would reject it or choke.

Just a couple of thoughts.

Peter Constable
Globalization Infrastructure and Font Technologies
Microsoft Windows Division

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