As you can see here , DocBook appears to have settled on schema as its generic term for defining XML vocabularies. I still have a slight preference for "grammar," but I would be comfortable using "schema". Best Regards, -- Bob Thomas +1 720 201 8260 Skype: bob.thomas.colorado Instant messaging: Gmail chat (
bob.thomas@tagsmiths.com ) or Skype Time zone: Mountain (GMT-7)