Template:GB18030/pointer/doc

Internal use template used in the process of generating a four-byte GB 18030 code which encodes a a Basic Multilingual Plane code. Used by Template:GB18030/BMP. Not needed by Template:GB18030/astral.

Usage
Takes one argument: a decimal number n referring to the nth possible GB 18030 four-byte code counting from 0 (what the WHATWG calls an index gb18030 ranges pointer).