Module: Erubis::ErboutEnhancer

set buffer variable name to ‘_erbout’ as well as ‘_buf‘

this is only for Eruby.

# File erubis/enhancer.rb, line 260
    def add_postamble(src)
      src << "\n" unless src[-1] == ?\n
      src << "_buf.to_s\n"
    end

# File erubis/enhancer.rb, line 256
    def add_preamble(src)
      src << "_erbout = _buf = '';"
    end