<!-- <?xml version="1.0" ?> <!DOCTYPE appendix PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd"> To validate or process this file as a standalone document, uncomment this prolog. Be sure to comment it out again when you are done --> <appendix id="midi-introduction"> <title>Introduzione al sistema <acronym>MIDI</acronym></title> <para>Ancora da scrivere </para> </appendix>