+\version "2.14.0"
+
+\header {
+texidoc = "Context modifications can be stored into a variable as a
+\with object. They can be later inserted directly into a context definition."
+}
+
+% Some sample modifications to be inserted into a \with block later on
+ctxmod = \with {
+ \remove "Time_signature_engraver"
+ \consists "Ambitus_engraver"
+ \override StaffSymbol #'line-count = 4
+}
+
+music = \relative c'' { \key fis \minor c1 d e }
+
+\score { <<
+ \new Staff { \music}
+ >>
+ \layout {
+ \context { \Staff
+ \ctxmod
+ \override NoteHead #'style = #'petrucci
+ }
+ }
+}
+
+
+\score { <<
+ \new Staff { \music}
+ >>
+ \layout {
+ \context { \Staff
+ \override StaffSymbol #'line-count = 3
+ \override NoteHead #'style = #'petrucci
+ }
+ % Should override the above definitions, but not reset others
+ \context { \Staff
+ \ctxmod
+ }
+ }
+}
+