autoBeamOff = \set autoBeaming = ##f
autoBeamOn = \set autoBeaming = ##t
-fatText = \override TextScript #'no-spacing-rods = ##f
-emptyText = \override TextScript #'no-spacing-rods = ##t
+fatText = { \override TextScript #'extra-spacing-width = #'(0 . 0)
+ \override TextScript #'infinite-spacing-height = ##t }
+
+emptyText = { \override TextScript #'extra-spacing-width = #'(+inf.0 . -inf.0)
+ \override TextScript #'infinite-spacing-height = ##f }
showStaffSwitch = \set followVoice = ##t
hideStaffSwitch = \set followVoice = ##f