add_expr_literal

# File actionview/lib/action_view/template/handlers/erb.rb, line 40
        def add_expr_literal(src, code)
          flush_newline_if_pending(src)
          if code =~ BLOCK_EXPR
            src << '@output_buffer.append= ' << code
          else
            src << '@output_buffer.append=(' << code << ');'
          end
        end