remove_trailing_alias

# File lib/rdoc/parser/f95.rb, line 1592
  def remove_trailing_alias(text)
    return "" if !text
    lines = text.split("\n").reverse
    comment_block = Array.new
    checked = false
    lines.each do |line|
      if !checked 
        if /^\s?#{INTERNAL_ALIAS_MES}/ =~ line ||
            /^\s?#{EXTERNAL_ALIAS_MES}/ =~ line
          checked = true
          next
        end
      end
      comment_block.unshift line
    end
    nice_lines = comment_block.join("\n")
    nice_lines ||= ""
    return nice_lines
  end