${PNAME} -i ozi -f ${TMPDIR}/oz.ozi -o ozi -F ${TMPDIR}/ozi.ozi
diff ${TMPDIR}/ozi.ozi reference
+# Holux support is a little funky to test. Becuase it loses precision,
+# if we convert it to another format, we lose accuracy (rounding) in the
+# coords, so converting it so something else and comparing it never works.
+# So we verify that we can read the reference and write it and get an
+# identical reference.
+${PNAME} -i holux -f reference/paris.wpo -o holux -F ${TMPDIR}/paris.wpo
+diff reference/paris.wpo ${TMPDIR}/paris.wpo