Thank you Maxime. 

On Wed, Mar 30, 2022 at 6:41 PM Maxime Devos <maximedevos@telenet.be> wrote:
Maxime Devos schreef op wo 30-03-2022 om 19:43 [+0200]:
> what if the URI contains &, <, > or " characters?  Looks like then
> the
> XML would be malformed.  To be reported upstream ... (not a blocker,
> since xsltc is unused in the Guix package)

Reported upstream at
<https://issues.apache.org/jira/browse/XALANJ-2630>.