Scilab documentation format

<?xml version="1.0" encoding="UTF-8"?>
<refentry xmlns:scilab="http://www.scilab.org" xml:id="foo" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns4="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">

function y=foo(a, b, c)
   y = a + 2 * b + c;
endfunction

path = help_skeleton('foo', TMPDIR)
if (isdef('editor') | (funptr('editor')<>0)) then
   editor(path);
end

<?xml version="1.0" encoding="UTF-8"?>
<!--
* Add some comments about XML file
-->
<refentry xmlns:scilab="http://www.scilab.org" xml:id="foo" xml:lang="en"
          xmlns="http://docbook.org/ns/docbook"
          xmlns:xlink="http://www.w3.org/1999/xlink"
          xmlns:svg="http://www.w3.org/2000/svg"
          xmlns:ns4="http://www.w3.org/1999/xhtml"
          xmlns:mml="http://www.w3.org/1998/Math/MathML"
          xmlns:db="http://docbook.org/ns/docbook">
  <refnamediv>
    <refname>foo</refname>
    <refpurpose>Add short description here. </refpurpose>
  </refnamediv>
  <refsynopsisdiv>
    <title>Calling Sequence</title>
    <synopsis>y = foo(a,b,c)</synopsis>
  </refsynopsisdiv>
  <refsection>
    <title>Arguments</title>
    <variablelist>
      <varlistentry>
        <term>a</term>
        <listitem>
          <para>
            Add here the input argument description.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>b</term>
        <listitem>
          <para>
            Add here the input argument description.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>c</term>
        <listitem>
          <para>
            Add here the input argument description.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>y</term>
        <listitem>
          <para>
            Add here the output argument description.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsection>
  <refsection>
    <title>Description</title>
    <para>
      Add here a paragraph of the function description. 
      Other paragraph can be added 
    </para>
    <para>With a latex expression
    <latex>
      \begin{eqnarray}
      f(x,a,r) = \frac{1}{r^{-a}\Gamma(a)} \int_0^x t^{a-1} \exp\left(-rt\right) dt
      \end{eqnarray}
    </latex>
    </para>
  </refsection>
  <refsection>
    <title>More information</title>
    <note><para>A note about foo</para></note>
    <caution><para>A caution about foo</para></caution>
    <warning><para>A warsning about foo</para></warning>
    <important><para>A important about foo</para></important>
    <tip><para>A tip about foo</para></tip>
  </refsection>
  <refsection>
    <title>Examples</title>
    <programlisting role="example"><![CDATA[
    Add here scilab instructions and comments
    ]]></programlisting>
  </refsection>
  <refsection>
    <title>See Also</title>
    <simplelist type="inline">
      <member>
        <link linkend="add a reference name" >add a reference</link>
      </member>
      <member>
        <link linkend="add a reference name">add a reference</link>
      </member>
    </simplelist>
  </refsection>
  <refsection>
    <title>Authors</title>
    <simplelist type="vert">
      <member>add the author name and author reference</member>
      <member>add another author name and it's reference</member>
    </simplelist>
  </refsection>
  <refsection>
    <title>Bibliography</title>
    <para>
      Add here the function bibliography
    </para>
  </refsection>
  <refsection>
    <title>History</title>
    <revhistory>
      <revision>
        <revnumber>X.Y</revnumber>
        <revdescription>Function foo added</revdescription>
      </revision>
    </revhistory>
  </refsection>
  <refsection>
    <title>Used Functions</title>
    <para>
      Add here the Scilab, C,... used code references
    </para>
  </refsection>
</refentry>