Has anyone ever used Pier for collaborative
documentation?
Yes, for example books are being written using Pier.
I realize a wiki is sorta that already, but I'm
part of an IETF group that
is exploring options at the moment and I wonder if there were any existing
examples of Pier being used that way?
Probably more, but these are the ones that come to my mind:
http://book.seaside.st/
http://book.pharo-project.org/
http://www.themoosebook.org/book/
Lukas
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Lukas Renggli
www.lukas-renggli.ch