@end lilypond
Scores any more complex than this simple example are better
-produced by separating out the staff structure from the notes and
+produced by separating out the score structure from the notes and
lyrics with variables. These are discussed in @ref{Organizing
pieces with variables}.
These annotations make future upgrades of LilyPond go more
smoothly. Changes in the syntax are handled with a special
-program, @file{convert-ly}, and it uses @code{\version} to
+program, @command{convert-ly}, and it uses @code{\version} to
determine what rules to apply. For details, see
@rprogram{Updating files with convert-ly}.
The title, composer, opus number, and similar information are
entered in the @code{\header} block. This exists outside of the
main music expression; the @code{\header} block is usually placed
-underneath the @ref{Version number}.
+underneath the version number.
@example
\version @w{"@version{}"}