> i know nothing about the problem, but it is not possible to have scripts which
> work with both 2.5 and 3 versions

No, and that is the problem. The only version that is compatible to both 
versions is Python 2.6.x.
I think we can wait, but when the first distribution ships Python 3.0 as default, we should have the patches ready to make the LyX scripts work with Python 3.x.

For SCons it is in my opinion safe to do this now, because this only affects a few developers that can easily upgrade their Python to version 2.6.x.

regards Uwe

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