anchor.diff:                end
               end
       end
  -    files.push "bioruby.gemspec" unless files.include?("bioruby.gemspec")
       %><%= 
       files.collect { |x| x.dump }.join(",\n    ")
          ###### Above is executed in ERB environment ######
  
positive.code: Gem::Specification.new do |s|
    s.name = 'bio'
    s.version = "1.2.9.9001"
  
    s.author = "BioRuby project"
    s.email = "staff@bioruby.org"
  
negative.code:   s.platform = Gem::Platform::RUBY
    s.files = [
      <% ###### Below is executed in ERB environment ######
      # Gets file list from the "git ls-files" command.
      files = `git ls-files`.to_s.split(/\r?\n/)
      files.delete_if { |x| x.empty? }
      # When git-ls-files isn't available, creates a list from current files.
      unless $?.success? or files.size <= 0 then
  