plist_of_stream_exn now takes a (Markup.signal, s) Markup.stream instead of a (Markup.content_signal, s) Markup.stream, as the Markup.content_signal type was removed from Markup.ml in version 1.0.0-1.
0.2.0 (Aug 11, 2020)
signals now emits xml and doctype elements.
signals now gives plist element the attribute version="1.0".