<mapping>

<mapping> (character mapping) contains one or more characters which are related to the parent character or glyph in some respect, as specified by the type attribute.
Modulegaiji — 5 Representation of Non-standard Characters and Glyphs
Attributes att.typed (@type, @subtype)
Used bychar glyph
May contain
gaiji: g
Declaration
element mapping { att.global.attributes, att.typed.attributes, macro.xtext }
Example
<mapping type="modern">r</mapping>
<mapping type="standard"></mapping>
Note
Suggested values for the type attribute include exact for exact equivalences, uppercase for uppercase equivalences, lowercase for lowercase equivalences, and simplified for simplified characters. The <g> elements contained by this element can point to either another <char> or <glyph>element or contain a character that is intended to be the target of this mapping.