Issue 4306: Remove grace note known issue

Remove warning about "use of grace notes within voice contexts" which
has become unnecessary by fixing issue 630.

diff --git a/Documentation/notation/rhythms.itely b/Documentation/notation/rhythms.itely
index 6e6d5fcf3e8c5bd8e979fadb18318e444c312c24..f14e0dbd996297cd29f57386ff2113ed3ad59984 100644 (file)
--- a/Documentation/notation/rhythms.itely
+++ b/Documentation/notation/rhythms.itely
@@ -3507,33 +3507,6 @@ spacer part, even if the visual part uses @code{\acciaccatura} or
 be printed, connecting the invisible grace note with the following
 note.
 
-The use of grace notes within voice contexts confuses the way the voice
-is typeset. This can be overcome by inserting a rest or note between the
-voice command and the grace note.
-
-@lilypond[quote,verbatim]
-accMusic = {
-  \acciaccatura { f8 } e8 r8 \acciaccatura { f8 } e8 r4
-}
-
-\new Staff {
-  <<
-    \new Voice {
-      \relative c'' {
-        r8 r8 \voiceOne \accMusic \oneVoice r8 |
-        r8 \voiceOne r8 \accMusic \oneVoice r8 |
-      }
-    }
-    \new Voice {
-      \relative c' {
-        s8 s8 \voiceTwo \accMusic \oneVoice s8 |
-        s8 \voiceTwo r8 \accMusic \oneVoice s8 |
-      }
-    }
-  >>
-}
-@end lilypond
-
 Grace sections should only be used within sequential music expressions.
 Nesting or juxtaposing grace sections is not supported, and might
 produce crashes or other errors.