Format: IncludeFile FilePath,
Example: IncludeFile "UI\FrameDef\Glue\StandardTemplates.fdf",
Example: IncludeFile "UI\FrameDef\UI\EscMenuTemplates.fdf",
Purpose: Allows to inherit Frames from included files. One can add multiple IncludeFile lines. The files mentioned in the IncludeFile list should be sorted by Alphabet (abc)
Used in: Fdf