--- /dev/null
+\version "2.17.10"
+
+\header {
+ texidoc = "By setting @code{accidentalGrouping} to @code{'voice},
+LilyPond will horizontally stagger the accidentals of octaves
+in different voices as seen in this test's E-sharp.
+"
+}
+
+ \relative c''' {
+ << { <gis cis eis gis>1 } \\
+ { eis, } >>
+ \set Staff . accidentalGrouping = #'voice
+ << { <gis' cis eis gis>1 } \\
+ { eis, } >>
+}