How on earth do you set the MOD key?

[TheMaroonHatHacker]

Hi, I have an issue: it's never explictly said what the MOD key is by default, or how to set it.

1. What is the default and how do I set it

2. Can there be some sort of note in the README for it?

[netfri25]

Take a look here, the #define defines the MOD key.
if you want to change it to ALT, then set it to Mod1Mask instead of Mod4Mask

[netfri25]

btw if you already have config.h, then set it there instead of config.def.h