Module subdoc SGML document string (subdcsds)

• general delimiter (general delim, gendelm)
• name
• s separator (s sep, ssep)
• entity start (entstart)
• entity end (entend)
• reference end RE (ref end re, refendre)
• short reference delimiter (short ref, shortref)

The markup of the entity reference.

ssep, entstart, and entend can occur only in a name group in a named entity reference.