[drupal-docs] book module improvements

[Dries Buytaert]

Surprise, surprise.  If you compile me a list of the most important 
book module improvements, I'll commit to implementing one or two items 
of your list.  Given the documentation shapes up, that is.  I want to 
you prioritize the (existing) feature request based on your experience 
maintaining the Drupal.org documentation.

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Dries Buytaert  ::  http://www.buytaert.net/