* v6 equivalent cvars
* hostname resolving for v6
* fix for nonblocking hostname resolve (inverted check)
* enabled by default, probably should be disabled for dedicated servers
It is essentially the same as ms.xash.su but due to current situation, it is known to be blocked on some Ukrainian ISPs.
ms2.xash.su is retired for now.
The `.editorconfig` file in this repo is configured to trim all trailing
whitespace regardless of whether the line is modified.
Trims all trailing whitespace in the repository to make the codebase easier
to work with in editors that respect `.editorconfig`.
`git blame` becomes less useful on these lines but it already isn't very useful.
Commands:
```
find . -type f -name '*.h' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
find . -type f -name '*.c' -exec sed --in-place 's/[[:space:]]\+$//' {} \+
```
