External module in the base Suite, containing those special characters or sets of characters declared for the Suite that are not defined in the ordinary ISO sets of characters
Special character sets declared in the ISO sets of characters are named in the %xmlspecchars.ent; module.
<!ENTITY % chars.ent PUBLIC "-//NLM//DTD JATS (Z39.96) JATS DTD Suite Custom Special Characters Module v1.1d1 20130915//EN" "JATS-chars1.ent" >