<refsect1><title>Description</title>
-<para>If <parameter>callout.graphics</parameter>
-is non-zero, graphics are used to represent
+<para>If <parameter>callout.unicode</parameter>
+is non-zero, unicode characters are used to represent
callout numbers. The value of
-<parameter>callout.graphics.number.limit</parameter>
+<parameter>callout.unicode.number.limit</parameter>
is
-the largest number for which a graphic exists. If the callout number
+the largest number for which a unicode character exists. If the callout number
exceeds this limit, the default presentation "(nnn)" will always
be used.
</para>
<refsect1><title>Description</title>
-<para>If <parameter>callout.graphics</parameter>
-is non-zero, graphics are used to represent
+<para>If <parameter>callout.graphics</parameter> is zero and <parameter>callout.unicode</parameter>
+is non-zero, unicode characters are used to represent
callout numbers. The value of
-<parameter>callout.graphics.number.limit</parameter>
-is
-the largest number for which a graphic exists. If the callout number
-exceeds this limit, the default presentation "(nnn)" will always
-be used.
+<parameter>callout.unicode.start.character</parameter>
+is the decimal unicode value used for callout number one. Currently,
+only 10102 is supported in the stylesheets for this parameter.
</para>
</refsect1>