global

def offenses

Skip offenses reported for ignored MD source (trailing whitespaces, etc.) 
def offenses
  @offenses ||= begin
    marker_comment = "##{RuboCop::Markdown::Preprocess::MARKER}"
    offenses_per_cop.flatten(1).reject do |offense|
      next if RuboCop::Markdown::MARKDOWN_OFFENSE_COPS.include?(offense.cop_name)
      offense.location.source_line.start_with?(marker_comment)
    end
  end
end