* returns path to global user data,
the directory that contains user-provided mods, worlds, games, and texture packs.
* core.get_modpath() (possible in async calls)
- * returns path to global modpath
+ * returns path to global modpath, where mods can be installed
+* core.get_modpaths() (possible in async calls)
+ * returns list of paths to global modpaths, where mods have been installed
+
+ The difference with "core.get_modpath" is that no mods should be installed in these
+ directories by Minetest -- they might be read-only.
+
* core.get_clientmodpath() (possible in async calls)
* returns path to global client-side modpath
* core.get_gamepath() (possible in async calls)