- (instrumentTransposition ,ly:pitch? "Define the transposition of the instrument. This is used to transpose the MIDI output, and @code{\\quote}s.")
-
- (keyAccidentalOrder ,list? " Alist that defines in what order
-alterations should be printed. The format is (@var{name}
-. @var{alter}), where @var{name} is from 0 .. 6 and @var{alter} from -1, 1.
+ (instrumentTransposition ,ly:pitch? "Defines the transposition of
+the instrument. Its value is the pitch that sounds like middle C. This
+is used to transpose the MIDI output, and @code{\\quote}s.")
+
+ (keepAliveInterfaces ,list? "List of symbols, signifying grob interfaces that
+are worth keeping an staff with @code{remove-empty} set around for.")
+ (keyAlterationOrder ,list? " Alist that defines in what order
+alterations should be printed. The format is (@var{step}
+. @var{alter}), where @var{step} is from 0 .. 6 and @var{alter} from
+-2 (sharp) and 2 (flat).