Since lyrics are no longer wrapped in EventChord, there is no point
in keeping tweaks from working inside of Lyrics contexts.
--- /dev/null
+\header
+{
+ texidoc = "The @code{\\tweak} function can be used in Lyrics."
+}
+
+\version "2.15.39"
+\paper {
+ ragged-right = ##t
+}
+
+\new Lyrics \lyricmode
+{
+ \markup \raise #1 \rotate #30 One 4
+ \tweak #'extra-offset #'(0 . 2) fish,
+ \markup \raise #1 \rotate #-30 two fish,
+ \tweak #'color #red red fish,
+ \tweak #'color #blue blue fish.
+}
\consists "Lyric_engraver"
\consists "Extender_engraver"
\consists "Hyphen_engraver"
+ \consists "Tweak_engraver"
\consists "Stanza_number_engraver"
\consists "Instrument_name_engraver"
\consists "Font_size_engraver"