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Everything except the items listed in "what does not work".
What does not
The pronunciation playback does not work.
The Internet update tool does not work.
What was not tested
Installation is a bit tricky. For some reason the application has to be installed twice to work. The problem is that this version supports repair/modification and the second installation process cannot be started without meddling with the wine registry file. The rather ugly hack that does the trick is to delete the system.reg file. Editing it with regedit might work too, but I did not try / test it.
An important note for selinux users: in my fedora installation selinux prevented wine from starting the dictionary. There are two ways of solving the problem: either to disable selinux (which is not recommended) or to create a custom policy file with audit2allow (see selinux manual).
To create a policy for SPWNOUP enter (as root)
1. audit2allow -M SPWNOUP < /var/log/audit/audit.log
2. semodule -i SPWNOUP.pp