ERB+Windows bug (extra newlines)

erbug.rb

require 'erb'

arr = [1,2,3]
context = instance_eval('binding')
src = ::File.binread('template.rb.tt')
content = ERB.new(src, nil, '-', '@output_buffer').result(context)

print content

linux_output.txt

* 1
  * 2
    * 3

template.rb.tt

<%- arr.each_with_index do |c,i| -%>
<%= '  '*i %>* <%= c %>
<%- end -%>

windows_output.txt

* 1

  * 2

    * 3