This is the EPUB® linking scheme registry.
The schemes listed in this registry are specifications maintained by the IDPF, and are subject to change independent of the main EPUB specification revision cycle and may or may not be compatible with past, present or future versions of the EPUB specifications. Please consult the main EPUB specification for more information on linking schemes supported by Reading Systems.
This specification defines a standardized method for referencing arbitrary content within an EPUB 3 Publication through the use of fragment identifiers.