Oblivion Mod:Mod File Format/REGN

A REGN record defines an exterior region.

C	Subrecord	Type/Size	Info
+	EDID	struct	Editor ID
+	RCLR	ubyte[4]	Unknown
-	WNAM	formid	Containing WRLD
*	RPLI	ubyte[4]	Unknown, always appears at least once
+	RPLD	ubyte[*]	Unknown
*	RDAT	ubyte[8]	Unknown
-	RDGS	ubyte[32]	Unknown
-	RDMD	ubyte[4]	Unknown
-	RDSD	ubyte[*]	Unknown, follows an RDMD
-	RDMP	ubyte[*]	Unknown
-	RDOT	ubyte[*]	Unknown
-	RDWT	ubyte[*]	Unknown
-	ICON	zstring	Canopy shadow file path? Appears only once in Oblivion.esm