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Re: [xml-dev] ANN: Portable Data Component -- start/end

Hi Roger,
    Nice example.

There's a minor suggestion though.

On Sat, Apr 16, 2011 at 10:34 PM, Costello, Roger L. <costello@mitre.org> wrote:
>        <xs:assert test="
>              if (exists(end)) then
>                  if (start castable as xs:dateTime) then
>                      xs:dateTime(end) gt xs:dateTime(start)
>                  else if (start castable as xs:date) then
>                      xs:date(end) gt xs:date(start)
>                  else if (start castable as xs:time) then
>                      xs:time(end) gt xs:time(start)
>                  else true()
>              else true()" />

Since "start" and "end" are typed nodes during assertion evaluation, I
think the above assert expression can be written as follows,

<xs:assert test="if (exists(end)) then (end gt start) else true()" />

Mukul Gandhi

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