Doc-de: update macros.itely and nitpicks

[lilypond.git] / Documentation / user / keyboards.itely

diff --git a/Documentation/user/keyboards.itely b/Documentation/user/keyboards.itely
index 63ec3f5b9817c164d093cfdf8528abb9b09404d0..c0513c61ac8ba60f4db54a2f47159c0af57c6576 100644 (file)
--- a/Documentation/user/keyboards.itely
+++ b/Documentation/user/keyboards.itely
@@ -6,7 +6,7 @@
     version that you are working on.  See TRANSLATION for details.
 @end ignore
 
-@c \version "2.11.61"
+@c \version "2.12.0"
 
 @node Keyboard and other multi-staff instruments
 @section Keyboard and other multi-staff instruments
@@ -168,6 +168,10 @@ the current voice from its current staff to the staff called
 @var{staffname}.  Typical values for @var{staffname} are
 @code{"up"} and @code{"down"}, or @code{"RH"} and @code{"LH"}.
 
+The staff to which the voice is being switched must exist at the
+time of the switch.  If necessary, staves should be @qq{kept alive},
+see @ref{Keeping contexts alive}.
+
 Cross-staff notes are beamed automatically:
 
 @lilypond[verbatim,quote]
@@ -203,7 +207,8 @@ Learning Manual:
 
 Notation Reference:
 @ref{Stems},
-@ref{Automatic beams}.
+@ref{Automatic beams},
+@ref{Keeping contexts alive}.
 
 Snippets:
 @rlsr{Keyboards}.