Edit
Edit: "editor:menu:edit"
Experimental
Experimental: "editor:menu:experimental"
Extensions
Extensions: "editor:menu:extensions"
File
File: "editor:menu:file"
Help
Help: "editor:menu:help"
View
View: "editor:menu:view"
WorldOptions
WorldOptions: "editor:menu:worldOptions"
Predefined top level menus for core editor