Some files you might expect to find in ./pugs/docs/ are actually elsewhere:

./README                 Installation, platforms, mailinglists and websites.

./lib/Pugs/Doc/Run.pod   pugs::run - How to run Pugs
./lib/Pugs/Doc/Hack.pod  pugs::hack - How to hack on Pugs

./READTHEM               Haskell resources. Assorted recommended reading.

./docs/talks/README      Contains links to html and pdf versions of talks.

For documentation of haskell files created by "make haddock":
There is an online copy at:
    http://nothingmuch.woobling.org/pugs_test_status/haddock/