```ruby
module AddressesHelper
  # formats an address in HTML
  def format_address a, html = true
    if html
      lt = '&lt;'
      gt = '&gt;'
      lb = '<br />'
    else
      lt = '<'
      gt = '>'
      lb = "\n"
    end
    address = h(a.full_name) +
      ' ' + lt + h(a.email_address) + gt + lb + 
      h(a.address_line_1) + lb +
      (a.address_line_2.empty? ? '' : h(a.address_line_2) + lb) +
      h(a.town_city) + ', ' +
      (a.county.empty? ? '' : h(a.county) + ', ') +
      h(a.postcode) +
      (a.phone_number.empty? ? '' : lb + h(a.phone_number))
    html ? content_tag(:p, address) : address
  end
end
```

Mark format_address HTML as html_safe
user
```ruby
module AddressesHelper
  # formats an address in HTML
  def format_address a, html = true
    if html
      lt = '&lt;'.html_safe
      gt = '&gt;'.html_safe
      lb = '<br />'.html_safe
    else
      lt = '<'
      gt = '>'
      lb = "\n"
    end
    address = h(a.full_name) +
      ' ' + lt + h(a.email_address) + gt + lb + 
      h(a.address_line_1) + lb +
      (a.address_line_2.empty? ? '' : h(a.address_line_2) + lb) +
      h(a.town_city) + ', ' +
      (a.county.empty? ? '' : h(a.county) + ', ') +
      h(a.postcode) +
      (a.phone_number.empty? ? '' : lb + h(a.phone_number))
    html ? content_tag(:p, address) : address
  end
end
```
assistant