(span-direction ,ly:dir? "Does this start or stop a spanner?")
(span-type ,symbol? "What kind of dynamic spanner should be created?
Options are @code{'text} and @code{'hairpin}.")
(span-text ,markup? "The displayed text for dynamic text spanners
(e.g., cresc.)")
(span-direction ,ly:dir? "Does this start or stop a spanner?")
(span-type ,symbol? "What kind of dynamic spanner should be created?
Options are @code{'text} and @code{'hairpin}.")
(span-text ,markup? "The displayed text for dynamic text spanners
(e.g., cresc.)")