Help: Env - fix newClear example

fixes #638

Signed-off-by: Tim Blechmann <tim@klingt.org>
(cherry picked from commit dbf8eae)

HelpSource/Classes/Env.schelp

@@ -687,24 +687,23 @@ The loop jumps back to the loop node. The endpoint of that segment is the goal l
 subsection::newClear
 code::
 (
-SynthDef(\help_Env_newClear, { |out = 0|
+SynthDef(\help_Env_newClear, { |out = 0, gate = 1|
 	var env, envctl;
 	// make an empty 4 segment envelope
 	env = Env.newClear(4);
 	// create a control argument array
 	envctl = \env.kr(env.asArray);
-	Out.ar(out, SinOsc.ar(EnvGen.kr(envctl, \gate.tr), 0, 0.3)); // the gate control is a trigger
+	Out.ar(out, SinOsc.ar(EnvGen.kr(envctl, gate), 0) * -12.dbamp);
 }).add;
 )
 
-Synth(\help_Env_newClear, [\gate, 1, \env, Env([700,900,900,800], [1,1,1], \exp)]); // 3 segments
+Synth(\help_Env_newClear, [\env, Env([700,900,900,800], [1,1,1], \exp)]); // 3 segments
 
 // reset then play again:
-Synth(\help_Env_newClear, [\gate, 1, \env, Env({ rrand(60, 70).midicps } ! 4, [1,1,1], \exp)]);
+Synth(\help_Env_newClear, [ \env, Env({ rrand(60, 70).midicps } ! 4, [1,1,1], \exp)]);
 
 // the same written as an event:
-(instrument: \help_Env_newClear, gate: 1, env: Env({ rrand(60, 70).midicps } ! 4, [1,1,1], \exp)).play;
-
+(instrument: \help_Env_newClear, env: Env({ rrand(60, 70).midicps } ! 4, [1,1,1], \exp)).play;
 ::
 
 note:: The above technique currently doesn't work with multichannel expanded envelopes (See: link::#multichannel expansion::)::