Issue 3648/5: Explain isolated durations in NR "Rhythms"

diff --git a/Documentation/notation/rhythms.itely b/Documentation/notation/rhythms.itely
index 32d82db04bf8740352110c3b9d01bbcce2c8fc51..2a91c0d0b6e1cad60eafa4117a4238d3e40e8509 100644 (file)
--- a/Documentation/notation/rhythms.itely
+++ b/Documentation/notation/rhythms.itely
@@ -7,7 +7,7 @@
     Guide, node Updating translation committishes..
 @end ignore
 
-@c \version "2.17.30"
+@c \version "2.19.0"
 
 @node Rhythms
 @section Rhythms
@@ -93,6 +93,15 @@ note.
 a a a2 a a4 a a1 a
 @end lilypond
 
+Durations occuring on their own within a music sequence will take
+their pitches from the preceding note or chord.
+
+@lilypond[quote,verbatim,relative=2]
+\time 8/1
+c \longa \breve 1 2
+4 8 16 32 64 128 128
+@end lilypond
+
 @cindex notes, dotted
 @cindex dotted notes
 @cindex notes, double-dotted
@@ -204,7 +213,7 @@ tuplets are triplets: 3@tie{}notes sound within the duration
 normally allowed for@tie{}2:
 
 @lilypond[quote,verbatim,relative=2]
-a2 \tuplet 3/2 { b4 b b }
+a2 \tuplet 3/2 { b4 4 4 }
 c4 c \tuplet 3/2 { b4 a g }
 @end lilypond
 
@@ -425,6 +434,13 @@ should be tied to the following note, which must be at the same pitch.
 a2~ a4~ a16 r r8
 @end lilypond
 
+Ties can make use of the @q{last explicit pitch} interpretation of
+isolated durations:
+
+@lilypond[quote,verbatim,relative=2]
+a2 ~ 4 ~ 16 r r8
+@end lilypond
+
 Ties are used either when the note crosses a bar line, or when
 dots cannot be used to denote the rhythm.  Ties should also be
 used when note values cross larger subdivisions of the measure:
@@ -450,7 +466,8 @@ created.  Chords may be partially tied by placing the ties inside
 the chord.
 
 @lilypond[quote,verbatim,relative=1]
-<c e g>~ <c e g c>
+<c e g>2 ~ 2
+<c e g>4~ <c e g c>
 <c~ e g~ b> <c e g b>
 @end lilypond