If the only thing you're changing is sound files, there should be no problem. If all you're changing is written files to be read in German, there should be no problem.
People create small mods designed to work with other people's supermods all the time. The problem arises when people change portions of the mod, incorporate the changes into the mod and then release the whole mod, calling it their own.
As long as you don't change Lurker's mods themselves, you should be fine if you release your own separate mod and label it "For use with OM and OMEGU". The only problem you should have then is people asking "Will this work with...?"
__________________
“Never do anything you can't take back.”
—Rocky Russo
|