Avoid nesting includes

Author: SakiTakamachi

reference/bc/bcmath/number/round.xml

@@ -25,8 +25,15 @@
   <variablelist>
    <!-- precision parameter -->
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.round')/db:refsect1[@role='parameters']/descendant::db:varlistentry[2])" />
-   <!-- mode parameter -->
-   <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('function.bcround')/db:refsect1[@role='parameters']/descendant::db:varlistentry[1])" />
+   <varlistentry>
+    <term><parameter>mode</parameter></term>
+    <listitem>
+     <simpara>
+      Specifies the rounding mode.
+     </simpara>
+    </listitem>
+   </varlistentry>
+  </variablelist>
   </variablelist>
  </refsect1>