%book-part-wrap.ent; BITS Top-Level Book-Part-Wrapper

Element declarations for the BITS top-level <book-part-wrapper> element.
Declaration
<!ENTITY % book-part-wrap.ent
                        PUBLIC
"-//NLM//DTD BITS Book Part Wrapper v2.1 20220202//EN"
"BITS-book-part-wrap2-1.ent"                                           >