+Scheme files and LilyPond files should be written according to standard
+style guidelines. Scheme file guidelines can be found at
+@uref{http://community.schemewiki.org/?scheme-style}. Following these
+guidelines will make your code easier to read. Both you and others that
+work on your code will be glad you followed these guidelines.
+
+For LilyPond files, you should follow the guidelines for LilyPond snippets
+in the documentation. You can find these guidelines at
+@ref{LilyPond formatting}.
+