http://plugin.org.uk/swh-plugins/highpass_iir
http://plugin.org.uk/swh-plugins/lowpass_iir
#
+# Problematic 4 tested by Olivier Humbert
+#
+file:///usr/lib/lv2/MonoEffect.ingen/MonoEffect.ttl
+file:///usr/lib/lv2/MonoInstrument.ingen/MonoInstrument.ttl
+file:///usr/lib/lv2/StereoEffect.ingen/StereoEffect.ttl
+file:///usr/lib/lv2/StereoInstrument.ingen/StereoInstrument.ttl
+#
# Rakarrack takes special handling to get these lv2 plugins to work;
# the library needs to be linked using -Bsymbolic-functions ;
# and there are places where there exist uninitialized data objects.