Some examples of different behaviour by the built-in xslt processor versus the other ones.
xml input: musicians.xml
xslt: musicians5.xml
select = "musician[NrOfRecordings != 1]" on line 18 behaves differently
xml input: musicians.xml
xslt: musicians8+9+10.xml
on line 32 gives a NaN, while others return 7.
Xalan also gives a Nullpointer exception
musicians5b.XSL
first xslt
musicians.xml
input
musicians8+9+10.XSL
second xslt