As far as I know mixed systems aren't officially supported, usually you are on your own if you mix systems.
If you use apt-pinning, my understanding was the developers assume you know what you're doing and what dependency-problems you might run into.
Kind regards, Benjamin Sender [Tom Parker] wrote on [02/29/2008 05:15 PM]:
reopen 468057 severity 468057 important stop I'm re-classifying as important, because in the words of the BTS this bug is "a bug which has a major effect on the usability of a package, without rendering it completely unusable to everyone.". I know it's not applicable to people who are running testing-only systems, but for those of us with mixed systems it does make the package partially unusable (the damn open button not working, and many users wouldn't have been able to work out what the cause of this problem was) without making it completely worthless. Additionally, adding this versioned dependancy wouldn't break anything for testing-only users (or for unstable-only, or any other combinations), it simply makes more explicit something that is already an implicit dependency and will reduce confusion. Please!
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