Re: [xsl] XPath expression for checking that an xs:duration value is not negative?

[David Carlisle <davidc@xxxxxxxxx>]

On 23/04/2011 14:22, Costello, Roger L. wrote:
> Hi Folks,
>
> What XPath expression will tell me if the xs:duration value in this element is not negative:
>
>      <duration>_______</duration>
>
> /Roger


XSL F&O says:
..... Note that no ordering relation is defined on xs:duration values...

so you'll need to cast to a type that does have an ordering relation
either xs:yearMonthDuration or xs:dayTimeDuration so something like

xs:yearMonthDuration(duration) ge xs:yearMonthDuration(P0Y)

david