>>>>> "Michael" == Michael Ludwig <mlu@xxxxxxxxxxxxx> writes:

    Michael> #### LibXSLT (1.1.22) to the rescue!

    Michael> $ xsltproc ascii.xsl ascii-soll-es-werden.xml

    Michael> <?xml version="1.0" encoding="us-ascii"?> <Urmel>
    Michael> <Vorspeise>S&#252;&#223;kirschen mit
    Michael> K&#228;seso&#223;e</Vorspeise> <&#220;belkeit/> </Urmel>

    Michael> So is LibXSLT preferable in this respect? Or would I be
    Michael> justified reporting this as a bug?

You should report it as a bug. That is not XML - as it does not match
the production Name.
-- 
Colin Adams
Preston Lancashire