mckaygerhard
35829d7ca6
* backported for working able, renaming compatible function,
https://github.com/minetest/minetest/pull/7073/files#diff-910f021741edbae068c5577bfc681853791aa6dce900b35305972bf5e24941e5R178
for engines that already has it enabled, if not just use
old way function, this backported and enabled
66372e75d9
from default game and also from newer engines build-in lua files
* provide both cases based on engine version, newer just call
the is_area_protected and older just have the code improved,
with aliasing to the improved code.
nssf@5ad71feb22