Installing gnulib from git

[Reuben Thomas]

I just decided to stop using Debian packages, which I have to download from 
sid in order to keep up to date in any case, and just do the obvious thing 
and get gnulib from git, which I can update whenever I like.

However, I can't see any installation instructions. Am I missing something?
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http://rrt.sc3d.org/ | wisdom, n.  knowing when to be foolish