[chuck-users] MIDI tutorial problem

[Peter Lutek]

  BODY { font-family:Arial, Helvetica, sans-serif;font-size:12px;
}greetings!
 a chuck novice here, so likely some silly user error!....  ;-)
 working through the tutorials in the pdf manual, when following the
Getting MIDI section, if i do this...
 MidiIn min;
 if( !min.open(1) ) { me.exit(); }
 while(true){
     min => now;
     while( min.recv(msg) ){
         ;
     }
 }
 ...chuck throws me an "undefined variable 'msg'..." error!
 something i'm missing?
 recent change in MIDI syntax? (i'm on chuck v1.2.1.3 on linux)
 "chuck  --probe" does show my desired MIDI interface as "1".
 thanks in advance... cheers!
 .pltk.
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