+ @code{}: actual lilypond code or property/context names.
+ @samp{}: ditto, for single-letter code.
+ @notation{}: refers to pieces of notation, such as
+ "@notation{crescendo} is often abbreviated as
+ @notation{cresc.}" This should also be used to refer to
+ specific lyrics ("the @notation{A - men} is centered...")
+ @q{}: used for `vague' terms in English (and other natural
+ languages).
+ @qq{}: only for actual quotes -- i.e. "he said" or "she
+ wrote".
+
+* @warning{} produces a "Note: " box. Use for important messages.