func events(w *acme.Win) <-chan string {
c := make(chan string, 10)
go func() {
for e := range w.EventChan() {
switch e.C2 {
case 'x', 'X': // execute
if string(e.Text) == "Del" {
w.Ctl("delete")
}
w.WriteEvent(e)
case 'l', 'L': // look
w.Ctl("clean")
c <- string(e.Text)
}
}
w.CloseFiles()
close(c)
}()
return c
}
