> use.local.desc is automatically generated from metadata.xml files, so
> it's the same thing

And this will soon be properly documented:
http://bugs.gentoo.org/show_bug.cgi?id=309963








-- 
Thomas Kahle

The fundamental theorem of algebra is open source. Like any other
mathematical theorem it can be applied free of charge and everybody
has access to its proof and can convince himself how it works. Why
should software be any different?