Am 19.05.2022 um 15:22 schrieb Roger L Costello costello@xxxxxxxxx:

But I cannot have a template rule like this:

<xsl:template
match="sid/(sidRunwayTransition|sidCommonRoute|sidEnrouteTransition)">

I think in XSLT 3 it is certainly an allowed pattern. Not allowed in
XSLT 1. Would need to check wether XSLT 2 allowed it.

Now I have checked https://www.w3.org/TR/xslt20/#pattern-syntax and I
think in XSLT 2 it is not an allowed pattern. So only in XSLT 3.