RE: [docbook] Future DocBook Ruminations - Modular Source Files & XInclude

> Am I missing something obvious here, or does everyone else with big
> documents just take a "big-bang" approach to grammar 
> validation by only
> doing it when processing the whole document? 

We discussed some techniques for this on the docbook-apps list a week or two
ago.  I'll refer you to my own post on that list:
http://lists.oasis-open.org/archives/docbook-apps/200308/msg00083.html