Lists the values of the ref-type attribute, which is used to name the type of element to which an internal reference is pointing, for example, the value “fig” means that the reference is pointing to a <fig>.
The values may be used to control type-specific processing or validation.
<!ENTITY % ref-types "aff | app | author-notes | bibr |
book-part | boxed-text | chem | contrib |
corresp | disp-formula | fig | fn |
glossary | kwd | list | plate | scheme |
sec | statement | supplementary-material |
table | table-fn |
other" >bookcustom-models.ent