OpenRA/OpenRA — pull request #5794 by Mailaender (2014-07-02 07:28:28+00:00)
Title: Added a new Lint check for invalid map cordons

This will protect both this repository and http://resource.openra.net from invalid submissions that crash the game. It is also documented at https://github.com/OpenRA/OpenRA/wiki/Mapping#file-format but no one reads manuals.