Sample release phase is repeated when dr:rep or dr:pal is set

[detomon]

This wrongly repeats the sample release phase. It should only repeat the sustain phase.

[samp:organ
	load:wav:"organ1.wav"
]

d:organ
dn:5000:30000
ds:2000:3000

dr:pal

a:c4;s:16;r
s:32