Re: [xsl] groupi-by statements?

[David Carlisle <davidc@xxxxxxxxx>]

> So how should I handle this?

it depends what rule you want to apply.
You must supply a sungle date to the substring function
so you could use
substring(
(mods:originInfo/mods:dateIssued |
mods:relatedItem/mods:originInfo/mods:dateIssued |
mods:relatedItem/mods:part/mods:date )[1]
,1,4)

which would pick whichever of these three appeared first in document
order in the source, or you could use

substring(
(mods:originInfo/mods:dateIssued ,
mods:relatedItem/mods:originInfo/mods:dateIssued ,
mods:relatedItem/mods:part/mods:date )[1]
,1,4)

which would pick the first element in that sequence (as it appears in
the stylesheet) which appears in the source.

or you could use one of the other 5 permutations of the sequence used in
the second version.


David

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