diff --git a/share/sgml/entities.dtd b/share/sgml/entities.dtd
new file mode 100644
index 0000000000..5c363040aa
--- /dev/null
+++ b/share/sgml/entities.dtd
@@ -0,0 +1,7 @@
+<!-- Simple DTD to get usual XHTML entities into our xml data. -->
+<!-- This does not provide a validation! -->
+<!-- $FreeBSD$ -->
+
+<!ENTITY % HTMLlat1 PUBLIC "-//W3C//ENTITIES Latin 1 for XHTML//EN"
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent">
+%HTMLlat1;