--- /dev/null
+\version "2.14.0"
+
+\header {
+ texidoc = "Here only left-margin is given, right-margin will remain default."
+}
+
+someNotes = \relative c' { \repeat unfold 40 { c4 d e f } }
+
+\paper {
+ #(set-paper-size (ly:get-option 'paper-size))
+ left-margin = 40 \mm
+}
+
+\book {
+ \score { \someNotes }
+}