--- /dev/null
+\version "2.19.14"
+
+\header {
+ texidoc = "Overlong tuplet span specifications are reduced
+to the actual length."
+}
+
+\layout { ragged-right = ##t }
+
+\relative \new Staff \with { subdivideBeams = ##t
+ baseMoment = #(ly:make-moment 1/8)
+ }
+{
+ \tuplet 3/2 4 { g16 a b } c8 d e f2 |
+ \set baseMoment = #(ly:make-moment 1/12)
+ \tuplet 3/2 4
+ { d16 e f g a b c,16 d e f g a
+ \unset baseMoment
+ b, c d }
+ \tuplet 3/2 { e16 f8 } g4 |
+}