Thanks for explaining this. But how can I install the module? The code below from Makefile.PL seems to prevent the module from installation if the jar is not in one of the preset locations.

my %dynamic_config;
do {
unless (-e '/usr/share/java/saxon9he.jar'
    or  -e '/usr/local/share/java/saxon9he.jar'
    or  -e '/usr/share/java/saxonb.jar'
    or  -e '/usr/local/share/java/saxonb.jar'
    or  -e '/usr/local/share/java/classes/saxon9he.jar')
{
    warn "Need saxon9he.jar or saxonb.jar to be installed in /usr/shar
+e/java or /usr/local/share/java or /usr/local/share/java/classes.";
    exit 0;
}
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