Comment 7 for bug 308633

> regarding lxml recompilation:]
> I hope the Debian package users of lxml are happy with untested,
> unreleased sources. Cython is a quickly moving target that can generate
> very different code from one day to another. lxml is rarely released with
> C code generated from an official Cython release, so regenerating the
> sources can introduce all sorts of diverging behaviour.

Debian wants to be able to build from source, and be able to change the source; if this cannot be done, then lxml has to be removed from Debian. It's unfortunate that lxml relies on such unstable software.