%bookcustom-modules.ent;

Module to Name DTD-Specific Modules

Names all DTD-specific external modules

Model

<!ENTITY % bookcustom-modules.ent
                        PUBLIC
"-//NLM//DTD BITS Book Interchange DTD-Specific Modules v2.0 20151225//EN"
"BITS-bookcustom-modules2.ent"                                       >