> Before we can modify the PHP license (e.g., modify any clause in our
> license or drop the GPL), we must get the approval of every single person
> who've contributed code to the source tree, don't we? After all, these
> people contributed code knowing the license is X, and now we want to change
> it to X' (slight modifications to the PHP license) or even Y (if we drop
> the GPL).
Correct, that is how you change a license. The same will have to be done
if PHP4 is released with a license that is in any way different from
PHP3's license since most of these same people have code in PHP4.
-Rasmus