The variables for keywords are actually constants.

These settings do not need to exist in GlobalSettings because they are actually constants in upstream Org-Mode.

src/context/mod.rs

@@ -1,7 +1,7 @@
 use crate::error::Res;
 use crate::parser::OrgSource;
 
-mod constants;
+pub(crate) mod constants;
 #[allow(clippy::module_inception)]
 mod context;
 mod exiting;