class RDoc::Markup::ToHtml

def accept_paragraph paragraph
  @res << "\n<p>"
  text = paragraph.text @hard_break
  text = text.gsub(/(#{SPACE_SEPARATED_LETTER_CLASS})?\K\r?\n(?=(?(1)(#{SPACE_SEPARATED_LETTER_CLASS})?))/o) {
    defined?($2) && ' '
  }
  @res << to_html(text)
  @res << "</p>\n"
end