Description:

Emacs is an advanced and extensible editor. An Emacs major mode
customizes Emacs for editing particular types of text documents. tdtd
is a major mode for SGML and XML DTDs.

The mode, which will extend PSGML mode, if available, contains functions
for writing and editing element, attribute, internal parameter entities
and external parameter entity declarations and comments to ease creating
and keeping a consistent style.

More advanced features include automatic XML detection, creation of
Emacs TAGS file, minibuffer completion of elements and parameter entity
names, and syntax highlighting.

All Emacs Lisp code is byte-copmpiled, install emacs-mode-tdtd-el for sources.