Keith Fahlgren is the Publishing Technology Engineer at O'Reilly Media. He's been involved in extending O'Reilly's use of DocBook and the DocBook-XSL stylesheets, building an Atom Publishing Protocol infrastructure, and contributing generally trying to keep O'Reilly's content as flexible and re-usable as possible. Keith is the secretary of the OASIS DocBook SubCommittee for Publishers. More recently, Keith has been heavily involved with Ebooks, encouraging the adoption of the IDPF ePub standard and contributing the ePub output for the DocBook-XSL stylesheets.
Note from the Presenter: http://book.realworldhaskell.org/read/ is the site for the title which received
all of the comments. The author that designed the commenting system is using it
for another book: http://hgbook.red-bean.com/read/. He has open-sourced the code
for the commenting system, based on Django & DocBook, here: