--- /dev/null
+\version "2.19.60"
+
+\header
+{
+ texidoc = "Exercise font features. Requires a font that supports the
+ features. This ensures no errors using the interface."
+}
+
+% Comparison between caps styles
+\markup { Hello }
+\markup { HELLO }
+\markup { \caps Hello }
+\markup { \fontCaps Hello }
+% True small caps
+\markup { \override #'(font-features . ("smcp")) Hello }
+
+% Comparison between number styles
+\markup { 0123456789 }
+\markup { \override #'(font-features . ("onum")) 0123456789 }
+
+% Multiple features
+\markup { \override #'(font-features . ("onum" "smcp")) { Hello 0123456789 } }