testcases.html: xmlSig-interopDoc.xml fmtxml.pl xmlspec.xsl
xsltproc --xinclude --nonet bibsort.xsl xmlSig-interopDoc.xml |\
xsltproc --nonet xmlspec.xsl - \
> ,testcases.html
-tidy -m -i -asxhtml -raw -utf8 ,testcases.html
perl fmtxml.pl ,testcases.html > testcases.html