Precise Expansion Patterns (was: Re: [uf-discuss] Hcalendar in bbc.co.uk/programmes)

[Andy Mabbett]

In message 
<18050cf90712141727w19f5a9b8k7f2c6030ff70e01a at mail.gmail.com>, Paul 
Wilkins <pmw57 at xtra.co.nz> writes

>The least that could be got away with is 00:03:23, at which point it 
>would be a toss up between that or PT3M23S
>
>Both of the above formats are valid and should be accepted by parsers 
>as a part of the ISO 8601 time/date format.

Only if the microformat in question is specified as using ISO 8601. That 
may be the best thing to do, but we shouldn't forget that it's not the 
only option.

-- 
Andy Mabbett