16'h47
12_34_5
'b1__0_1_1_
  a[ 7]   .   a b c def   [ 8 ]  s0a  . [8] a.b
foo.bar[6]   
foo.bar    
 [5] ]. foo.goobar    
 . foo.goobar
first
fourth
fourth[2]
fourth[7]
fourth.fred
[1]
