<chapter id="extensions-to-all-printsubsystems"> <title>&tdeprint; Extensions To All Print Subsystems</title> <sect1> <title><quote>Virtual</quote> Printers</title> <sect2> <title>The <quote>Fax</quote> Printer</title> <para>To be written</para> </sect2> <sect2> <title>The <quote>File</quote> Printer</title> <para>To be written</para> </sect2> <sect2> <title>The <quote><acronym>PDF</acronym></quote> Printer</title> <para>To be written</para> </sect2> </sect1> <sect1 id="external-filters"> <title><quote>External</quote> Filters</title> <sect2> <title>The <command>enscript</command> Filter for Text Files</title> <para>To be written</para> </sect2> <sect2> <title>The <quote>n-up</quote> Filter for Any File</title> <para>To be written</para> </sect2> <sect2> <title>Three different <quote>Make Pamphlet</quote> Filters for &PostScript; Files</title> <para>To be written</para> </sect2> </sect1> </chapter>