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) ){
        <<<msg.data1,msg.data2,msg.data3,"MIDI Message">>>;
    }
}

...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.