Ruby 1.9 compliant: The last comma in Array.[] is no longer allowed. (For example, class A < Array; end; A[ 1, 2, 3, ] raises error in Ruby 1.9.)
Ruby 1.9 compliant: The last comma in Array.[] is no longer allowed.
(For example, class A < Array; end; A[ 1, 2, 3, ] raises error in Ruby 1.9.)

csw/bioruby-phyloxml