I'd like comments on splitting the tcltk USE flag into 'tcl' and 'tk'
USE flags.

My primary motivation for this is that I am putting together many more
servers lately, and I need tcl on them, but I don't want X there.
doing 'USE=tcltk emerge python' pulls in xfree due to 
tcltk? ( ...tk... ) in the python ebuild.

Advantages:
1. More accurately reflects what a package uses, and allows for better
customization.

Disadvantages:
2. Changing existing ebuilds to the new style
3. Users with tcltk have to update their USE flags.

I am more than willing to bear the brunt of the work of updating the
ebuilds if there are no objections to this.

-- 
Robin Hugh Johnson
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