Thanks much for the suggestion to install the additional packages to the existing xemacs.  I tried that and it worked.
I also installed XEmacs Setup 21.4.19-3.exe as suggested by Vin.  I was able to add the additional packages during the install and xml files use appropriate mode.

-glenn

On 3/22/06, Ville Skyttä <scop@xemacs.org> wrote:
On Wed, 2006-03-22 at 13:55 -0500, Vin Shelton wrote:

> The new test kits (available in
> ftp://ftp.xemacs.org/pub/xemacs/windows/testing) allow the installer
> to choose among the following packages:
[...]

Ah, I didn't know that it provides that possibility.  That's good.