On Sun, 2021-06-20 at 16:43 +0000, Michael Kay mike@xxxxxxxxxxxx wrote:
> > 
> > A non-streamable function fn:input-document() might be a win!
> > 
> > Liam
> > 
> 
> It would have the same effect: code using this function could not be
> easily converted to be part of a stylesheet that processes a
> collection of documents.

Yeah, i was thinking after i wrote it that it'd need a tricksy
definition to work in that case and  still be useful, and i'm not at
all sure it's worth it.

> 
> I have occasionally wondered whether the ban on using tunnel
> parameters inside a function is perhaps rather paternalistic.B 

I think so - you can presumably have a template  wrapper whose only
purpose  is to return a tunel parameter, and call it from within the
function.

-- 
Liam Quin,B https://www.delightfulcomputing.com/
Available for XML/Document/Information Architecture/XSLT/
XSL/XQuery/Web/Text Processing/A11Y training, work & consulting.
Barefoot Web-slave, antique illustrations: B http://www.fromoldbooks.org