Here's a summary and status of the things here:

antlr-mode: <http://antlr-mode.sourceforge.net/>
- Author version 2.2c
- Seems to work.

cogre: COnnected GRaph Editor, <http://cedet.sourceforge.net/cogre.shtml>
- Author version 0.4beta1.
- Doesn't compile, requires a newer semantic than we have.

ede: Emacs Development Environment, <http://cedet.sourceforge.net/ede.shtml>
- Author version 1.0.beta2.
- Compiles, I have no idea whether it works or not.

generic-modes: generic.el and generic-x.el from GNU Emacs
- Up to date with GNU Emacs CVS HEAD as of 2007-02-25.
- Compiles, seems to work, auto-mode-alist and autoloads may need spanking.

vc: vc*.el and a few other related files from GNU Emacs, vc-git.el from git
- Up to date with GNU Emacs CVS HEAD, git upstream as of 2007-02-25.
- Approaching usable state.
- smerge-mode.el needs work.
- Pre-2007-02-03 versions used to cause autoload related crashing with
  21.4.x, more info: http://koti.welho.com/vskytta/xemacs/new-vc/
  (Workaround: remove auto-autoloads.elc from the installed dir.)
  If you experience crashes and need to apply the above workaround with
  post-2007-02-03 (0.90+) versions, please report to xemacs-beta@xemacs.org
- TODO, sometime: Mercurial support, eg. http://kanis.cc/ivan/lisp/vc-hg.el,
  (http://kanis.cc/viewcvs/trunk/ivan/lisp/vc-hg.el) or perhaps
  contrib/mercurial.el from Mercurial itself.
