> On 10 Feb 2018, at 22:46, Alan Painter alan.painter@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Tuples!!!!!
>

For my ideas on tuples, see

http://dev.saxonica.com/blog/mike/2016/09/tuple-types-and-type-aliases.html

Much of this is quietly implemented as an extension in Saxon 9.8, provided you
set a switch to enable it (--allowSyntaxExtensions)

Michael Kay
Saxonica