---- ; drawing
Sound.Sc3.Plot.plotEnvelope [envXyc [(0, 330, EnvExp), (0.5, 440, EnvExp), (1.0, 1760, EnvLin)]]

---- ; help
Sound.Sc3.Common.Help.sc3_scdoc_help_open False (sc3_scdoc_help_path "Env.*xyc")