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To build a site:

1)  $ mkdir mysite; cd mysite
2)  $ forrest seed
3)  $ forrest site
4)  see results in ./build/site/index.html with your web browser

If you get this error:

Can't connect to X11 window using ':0.0' as the value of the DISPLAY variable

replace step 3) with:

    $ forrest -Dforrest.jvmargs=-Djava.awt.headless=true site

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