`boostbook-base-style` feature for boostbook.

svn path=/trunk/tools/auto_index/; revision=75928
Revert `boostbook-base-style` change, it has broken the test build.

svn path=/trunk/tools/auto_index/; revision=75934
Quickbook: Merge escape change from quickbook-dev branch.

Only changes 'raw_escape' which is only used in 1.6

svn path=/trunk/tools/auto_index/; revision=76260
Detail: Merge some whitespace fixes from release.

svn path=/trunk/tools/auto_index/; revision=80349
Throw exception on precondition failure.
Fixes #7967.

svn path=/trunk/tools/auto_index/; revision=83952
Fix bug for situation where no suitable index location is found.

svn path=/trunk/tools/auto_index/; revision=84180