--- /dev/null
+\version "2.19.21"
+
+\header {
+ texidoc = "Rests must begin and end simultaneously to be merged into the shared voice."
+}
+
+% rests of different durations beginning simultaneously, followed by
+% unisilence
+
+\score {
+ \partcombine
+ \relative f' { r4 r2 r8 r8 | r1 }
+ \relative f' { r8 r8 r2 r4 | r1 }
+}
+
+% rests of different durations beginning simultaneously, followed by
+% solo then a2.
+
+\score {
+ \partcombine
+ \relative { r4 f'2. | r8 f e2. }
+ \relative { r8 d' f2. | r4 e2. }
+}
+
+% mmrest and rest of different durations beginning simultaneously
+
+\score {
+ \partcombine
+ \relative { r4 f'2. | R1 }
+ \relative { R1 | r4 d'2. }
+}