Module: Erubis::StdoutEnhancer

use $stdout instead of string

this is only for Eruby.

# File erubis/enhancer.rb, line 73
    def add_postamble(src)
      src << "\n''\n"
    end

# File erubis/enhancer.rb, line 69
    def add_preamble(src)
      src << "_buf = $stdout;"
    end