-These are separate programs from lilypond itself, and are run
-on the command-line. By ``command-line'', we mean the command
-line in the operating system. Windows users
-might be more familiar with the terms ``DOS shell'' or
-``command shell''; OSX users might be more familiar with the
-terms ``terminal'' or ``console''. Describing how to use
-this part of an operating system is outside the scope of this
-manual; please consult other documentation on this topic if
-you are unfamiliar with the command-line.
+These are separate programs from @command{lilypond} itself, and are
+run on the command line; see @ref{Command-line usage} for more
+information. If you have MacOS 10.3 or 10.4 and you have trouble
+running some of these scripts, e.g. @code{convert-ly}, see @ref{Setup
+for MacOS X}.