It might be, that autolayout.dtd was not changed, but it could be
confusing for some users, that website 2.6.0 used autolayout 2.5.0. I
think it would be better that all files share the same version number.
This is a much cleaner approach.
Actually, the more I think about it, it seems to me a cleaner
approach would be to release the Website DTD/schemas separately
from the stylesheets.
Argh. Now I realize why the DTDs were being numbered the way they
were. As long as the DTDs and stylesheets are released as one
package, I guess we are going to need to give them all the same