There is a prerelease jar on http://64.83.11.163/jemplode (my dns provider is down right now) that includes support much better support for ISO-8859-1 everywhere (I think I caught them all). Thanks a lot for this tip!

(replace jemplode20.jar in your install directory for jemplode20-prerelease.jar -- you'll have to rename it to jemplode20.jar)

Mike