# File lib/merb-core/controller/template.rb, line 161
      def capture_erb(*args, &block)
        # get the buffer from the block's binding
        buffer = _erb_buffer( block.binding ) rescue nil

        # If there is no buffer, just call the block and get the contents
        if buffer.nil?
          block.call(*args)
        # If there is a buffer, execute the block, then extract its contents
        else
          pos = buffer.length
          block.call(*args)

          # extract the block
          data = buffer[pos..-1]

          # replace it in the original with empty string
          buffer[pos..-1] = ''

          data
        end
      end