Re: [xsl] Grouping in match patterns

Am 14.07.2020 um 18:02 schrieb Martin Honnen 
martin(_dot_)honnen(_at_)gmx(_dot_)de:
> Am 14.07.2020 um 17:33 schrieb Wendell Piez wapiez(_at_)wendellpiez(_dot_)com:
>
> > XSL-List friends,
> >
> > Is there anything special I should know about a match pattern such as
> > "a / (b|c)" -- which gives me an error (in oXygen and running Saxon)?
> >
> > <xsl:template match="a / (b | c)"/>
> >
> > Wouldn't it be permitted by the grammar given at
> > https://www.w3.org/TR/xslt-30/#pattern-syntax? Production [11] would
> > seem to permit a parenthetical expression as a discrete step. Is there
> > something I am missing here?
>
>
> It seems the spec indeed allows this.
>
>
>
> Furthermore, Saxon-JS 2 doesn't complain:


> Will need to check whether I still have that other XSLT 3 processor
> Exselt and what it says.
Exselt allows <xsl:template match="a / (b | c)"/> in e.g.

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
    version="3.0"
    xmlns:xs="http://www.w3.org/2001/XMLSchema";
    exclude-result-prefixes="#all"
    expand-text="yes">

    <xsl:mode on-no-match="shallow-copy"/>

    <xsl:template match="a / (b | c)"/>

</xsl:stylesheet>

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