Once a character is encoded, it will not be moved or removed.
This policy ensures that implementers can always depend on each version of the Unicode Standard being a superset of the previous version. The Unicode Standard may deprecate the character (that is, formally discourage its use), but it will not reallocate, remove, or reassign the character.
Encoding Stability
Applicable Version: Unicode 2.0+
Once a character is encoded, it will not be moved or removed.
This policy ensures that implementers can always depend on each version of the Unicode Standard being a superset of the previous version. The Unicode Standard may deprecate the character (that is, formally discourage its use), but it will not reallocate, remove, or reassign the character.