Add unpopulated helpfile template with link to the guide so ppl can find it when asking for help.

Connection.sc

@@ -340,4 +340,12 @@ ConnectionList : List {
 		|shouldFree=false|
 		this.do(_.oneShot(shouldFree))
 	}
+
+	connected {
+		^this.collect(_.connected)
+	}
+
+	allConnected {
+		^this.collect(_.connected).includes(false).not
+	}
 }

ControlValue.sc

@@ -250,6 +250,7 @@ OnOffControlValue : AbstractControlValue {
 MIDIControlValue : NumericControlValue {
 	var <>inputSpec, <isOwned=false;
 	var func, <midiFunc;
+	var midiOut; // mtm add
 
 	*defaultInputSpec { ^ControlSpec(0, 127); }
 
@@ -304,6 +305,27 @@ MIDIControlValue : NumericControlValue {
 			midiFunc = nil;
 		}
 	}
+
+
+	/* mtm add ... */
+	enableOutput {|destPort=0|
+		midiFunc ?? {"midiFunc hasn't been initialized, set .cc_ to connect a MIDI output".warn};
+		midiOut = MIDIOut(destPort, MIDIClient.destinations[destPort].uid);
+	}
+
+	// val 0>1, uses inputSpec to map to MIDI range
+	ccOut_ {|val|
+		midiOut !? {
+			midiOut.control(midiFunc.chan ?? 0, midiFunc.msgNum, inputSpec.map(val));
+		}
+	}
+
+	noteOut_ {|val|
+		midiOut !? {
+			midiOut.noteOn(midiFunc.chan ?? 0, midiFunc.msgNum, val);
+		}
+	}
+	/* ... end mtm add */
 }
 
 ControlValueEnvir : EnvironmentRedirect {

HelpSource/Classes/Connection.schelp

@@ -0,0 +1,271 @@
+TITLE:: Connection
+summary:: Connection provides a more convient, expressive, and powerful way of connecting and synchronizing objects, values, and UI views.
+categories:: Control
+related:: Guides/Connection
+
+DESCRIPTION::
+No helpfile yet... but for information on Connection, see the link::Guides/Connection::.
+
+
+CLASSMETHODS::
+
+METHOD:: prBeforeCollect
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: initClass
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: prAfterCollect
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: untraceAll
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: traceWith
+(describe method here)
+
+ARGUMENT:: func
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: traceAll
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: collectionStack
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: tracing
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: basicNew
+(describe method here)
+
+ARGUMENT:: object
+(describe argument here)
+
+ARGUMENT:: dependant
+(describe argument here)
+
+ARGUMENT:: connected
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: new
+(describe method here)
+
+ARGUMENT:: object
+(describe argument here)
+
+ARGUMENT:: dependant
+(describe argument here)
+
+ARGUMENT:: autoConnect
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+
+INSTANCEMETHODS::
+
+METHOD:: filter
+(describe method here)
+
+ARGUMENT:: filter
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: connected
+(describe method here)
+
+ARGUMENT:: connect
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: connectionFreed
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: dependants
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: object
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: defer
+(describe method here)
+
+ARGUMENT:: delta
+(describe argument here)
+
+ARGUMENT:: clock
+(describe argument here)
+
+ARGUMENT:: force
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: transform
+(describe method here)
+
+ARGUMENT:: func
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: collapse
+(describe method here)
+
+ARGUMENT:: delta
+(describe argument here)
+
+ARGUMENT:: clock
+(describe argument here)
+
+ARGUMENT:: force
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: removeDependant
+(describe method here)
+
+ARGUMENT:: dep
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: traceConnection
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: oneShot
+(describe method here)
+
+ARGUMENT:: shouldFree
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: free
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: dependant
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: trace
+(describe method here)
+
+ARGUMENT:: shouldTrace
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: connect
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: prCollect
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: disconnect
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: releaseDependants
+(describe method here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: disconnectWith
+(describe method here)
+
+ARGUMENT:: func
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: onTrace
+(describe method here)
+
+ARGUMENT:: obj
+(describe argument here)
+
+ARGUMENT:: what
+(describe argument here)
+
+ARGUMENT::  ... values
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: traceWith
+(describe method here)
+
+ARGUMENT:: func
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: addDependant
+(describe method here)
+
+ARGUMENT:: dep
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: connectTo
+(describe method here)
+
+ARGUMENT:: nextDependant
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+METHOD:: chain
+(describe method here)
+
+ARGUMENT:: newDependant
+(describe argument here)
+
+returns:: (describe returnvalue here)
+
+
+EXAMPLES::
+
+code::
+(some example code)
+::