Single Language Install for KDE

[J. Preiss]

> Create a file named "inst-apps" at the top of the module with a line
> containing the name of the directory you want to compile(happens to be the
> language code). Then, run configure etc. You can do this with all modules.

Well undocumented stuff...  :-)
What about the configure option "without-[x]"? I hope this works anyway, 
because my qbuildkde uses it. Are there any differences?