is used to show all tools. Name is used in the sfinv page name, title is the
human readable title.
-`is_enabled_for` is used to check whether a player is in creative mode:
-
- creative.is_enabled_for(name)
-
-Override this to allow per-player game modes.
+Creative provides `creative.is_enabled_for(name)`, which is identical in
+functionality to the engine's `minetest.creative_is_enabled(name)`.
+Its use is deprecated and it should also not be overriden.
The contents of `creative.formspec_add` is appended to every creative inventory
page. Mods can use it to add additional formspec elements onto the default