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It's true that users shouldn't have to know how things like the X Window System clipboard/selection mechanism works. But really, they don't have to: as the freedesktop.org documents points out, users are really expected to use the CLIPBOARD mechanism which works pretty much like clipboards on the competing platforms and live happily without the select/middle click thingy. Jarno, you only have this problem because even without an unix beard, you've been using these things long enough to know the PRIMARY selection mechanism.