Relax <reference> tag DTD (#122)

DocBook 5.1 and 5.2 allow "Zero or more of" <refentry>, whereas DocBook 5.0 and below required "One or more of" <refentry> cf. https://tdg.docbook.org/tdg/5.2/reference
php · May 14, 2024 · f35be27 · f35be27
1 parent 946f15d
commit f35be27
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docbook/docbook-xml/docbook.dtd b/docbook/docbook-xml/docbook.dtd
@@ -2737,7 +2737,7 @@
 
 >
 
-<!ELEMENT reference (((title|titleabbrev|subtitle)*, info?), partintro?, (refentry)+)>
+<!ELEMENT reference (((title|titleabbrev|subtitle)*, info?), partintro?, (refentry)*)>
 
 <!ATTLIST reference
 	xmlns	CDATA	#FIXED	"http://docbook.org/ns/docbook"