Records the origin of a book part, for example, inside the narrative front matter, the body, the back matter, or supplementary material, when the book part is exchanged
When a <book-part> is exchanged, the @from-where attribute cam be used to record the origin of the <book-part>, inside the narrative <front-matter>, the <body>, the rear matter (<back>,) or in supplementary material.
| Value | Meaning |
|---|---|
| back | Back matter |
| body | Body |
| front-matter | Front matter |
| supplemental | Supplementary material |
| Restriction: | |