Henning Schulzrinne <hgs@cs.columbia.edu> writes
>On Sep 2, 2009, at 5:37 PM, Andy Mabbett wrote:
>>we have "lang" attributes in HTML and other systems, so that the
>>language (= CRS) in use can be specified.
>However, marking alone isn't very interesting or helpful, except to
>recognize that all you can do is discard the information received.
You can do far more than that, You can have software translate such
text, instruct search engines to prioritise or exclude it, spell check
it correctly, have it pronounced correctly, or even style it with a
different background colour to make it more apparent.
>I'm unclear what model is being anticipated here. Without it, we have
>designed a mechanism that can reliably discard bits, but no
>interoperability.
I would rather have a system which can identify, and then choose to
interpret or discard, non-WGS84 coordinates, than one which wrongly
assumes that they are WGS84.
--
Andy Mabbett
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