[davidw]

So the answer is no, you did not request permission to use his work?

Originally Posted by Vitaly

What permissions are you asking about? Links to Xenon's mod exists, because some things can't be done in another way, but his product is outdated and a bit useless. And nobody cared about proper solution for 2 years.

For example, kind of like the comments and phrases in there that are identical to Xenon's mod?

If a mod is outdated, unless permission is given, it is not reason to just fix and release. When an author creates a piece of work, that author holds the copyright to that work unless given permission to allow someone else to use it, whether it be marked re-usable, or given verbally or written.