    # File lib/action_mailer/vendor/text-format-0.6.3/text/format.rb, line 135
        def ==(o)
          (@text          ==  o.text)           &&
          (@columns       ==  o.columns)        &&
          (@left_margin   ==  o.left_margin)    &&
          (@right_margin  ==  o.right_margin)   &&
          (@hard_margins  ==  o.hard_margins)   &&
          (@split_rules   ==  o.split_rules)    &&
          (@first_indent  ==  o.first_indent)   &&
          (@body_indent   ==  o.body_indent)    &&
          (@tag_text      ==  o.tag_text)       &&
          (@tabstop       ==  o.tabstop)        &&
          (@format_style  ==  o.format_style)   &&
          (@extra_space   ==  o.extra_space)    &&
          (@tag_paragraph ==  o.tag_paragraph)  &&
          (@nobreak       ==  o.nobreak)        &&
          (@abbreviations ==  o.abbreviations)  &&
          (@nobreak_regex ==  o.nobreak_regex)
        end