%common.ent; Common (Shared) Element Declarations Module

External module in the JATS DTD Suite that defines the elements and attributes that are used in more than one external module.
Declaration
<!ENTITY % common.ent
                        PUBLIC
"-//NLM//DTD JATS (Z39.96) JATS DTD Suite Common (Shared) Elements Module v1.3 20210610//EN"
"JATS-common1-3.ent"                                               >