A basic example of a lilypond input file is
@example
-\version "2.11.15"
+\version "2.11.23"
\score @{
@{ @} % this is a single music expression;
% all the music goes in here.
@code{-dclip-systems}. The clips are output as EPS files, and are
converted to PDF and PNG if these formats are switched on as well.
-For more information on output formats, see @ref{Invoking lilypond}.
+For more information on output formats, see @rprogram{Invoking lilypond}.
@seealso