Re:beatStructure

[Peter Gentry]

\version "2.16.0"
 
 \score {
   <<
       \context Voice = one {
         \key g \major \time 4/4
         \set Timing.beamExceptions = #'()
         <a e'>8 <a e'>8 <a fs'>8 <a fs'>8 <a e'>8 <a e'>8 <a fs'>8 <a fs'>8
        <a e'>8 [ <a e'>8 ] <a fs'>8 <a fs'>8 <a e'>8 [ <a e'>8 ] <a fs'>8 <a 
fs'>8
         | \bar "|."
       }
   >>
 } % score
 
Works for me - am I missing something?

regards
Peter Gentry