If you use the psgml library within emacs, then editing and verifying XML gets easier. Information on using this facility is inluded with psgml.
Emacs' local variables appear in a few lines of comment at the bottom of each XML file. Please don't delete these!
Adding
(setq sgml-set-face t)
to your
.emacs
file will cause all tags and entities to
appear in boldface.
Adding
(setq sgml-auto-activate-dtd t)
to your
.emacs
file will ensure the DocBook DTD is
parsed as soon as the file is loaded.