Added a comment and reference on \transposition to get the correct octave in MIDI...

diff --git a/Documentation/notation/fretted-strings.itely b/Documentation/notation/fretted-strings.itely
index 01d72d6fb9c964bfa1b4f0513545a3ee96e17d0b..698489e92ecfce4046e6621f642f45135ce503d5 100644 (file)
--- a/Documentation/notation/fretted-strings.itely
+++ b/Documentation/notation/fretted-strings.itely
@@ -55,7 +55,8 @@ tablature.  Sometimes the two types are combined, and it is
 especially common in popular music to use chord diagrams above
 a staff of traditional notation.  The guitar and the banjo are
 transposing instruments, sounding an octave lower than written.
-Scores for these instruments should use the @code{"treble_8"} clef.
+Scores for these instruments should use the @code{"treble_8"} clef (and
+@code{\transposition c} to get correct MIDI output).
 Some other elements pertinent to fretted string instruments
 are covered elsewhere:
 
@@ -84,7 +85,8 @@ Notation Reference:
 @ref{Writing music in parallel},
 @ref{Arpeggio},
 @ref{List of articulations},
-@ref{Clef}.
+@ref{Clef},
+@ref{Instrument transpositions}.
 
 
 @node String number indications