KDE3 apps running in a KDE4-modified environment

[Rex Dieter]

Thiago Macieira wrote:
> Mauricio Piacentini wrote:
>> But the potential problem exists now: what if an user
>> installs KDE4, runs Kmahjongg 4, and then attempts to install, download
>> and run the KDE3 version?
> 
> You're not allowed to do that. KDE applications do NOT support 
> downgrading.
> 
> They never have.

Wouldn't such a policy prevent kde3/kde4 ever being able to be installed
into the same prefix?  Or am I missing something?

-- Rex