I noticed that the OpenOffice menu links don't seem to initiate correctly in Ubuntu Studio 9.04, but if you change the command reference for the launcher from "ooffice -writer %" to "/usr/lib/openoffice/program/soffice.bin -writer" then it opens correctly! You can use the [-] switch to load calc and base as well.
Wasn't sure where else to post this info, but thought it might help others.
Thanks for posting it, but it's definitely not a Mac4Lin issue. I'd suggest posting a bug on Launchpad for OpenOffice.org to try to make sure the right folks see it.
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