For information about pending DocBook XSL2 stylesheets feature
requests, see the following:

  http://sourceforge.net/tracker/?atid=373750&group_id=21935&func=browse
  http://sourceforge.net/tracker/?atid=516914&group_id=21935&func=browse

Norm's notes to himself:

- Consider making <index/> contextual, so an index in a part, for example,
  can index just that part.

