title: The {{key}} interpolation syntax in I18n messages is deprecated. Please use %{key} instead
body: <p>I am running ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10.3.2] with Rails 2.3.8 and I have to use that version. When I run 'rake test' I get </p>
  
  <pre><code>The {{key}} interpolation syntax in I18n messages is deprecated. Please use %{key} instead.
  </code></pre>
  
  <p>There was a bug but now should be solved: <a href="https://rails.lighthouseapp.com/projects/8994/tickets/4525-favor-in-all-code-instead-of-deprecated-as-interpolation-syntax-for-i18n" rel="noreferrer">https://rails.lighthouseapp.com/projects/8994/tickets/4525-favor-in-all-code-instead-of-deprecated-as-interpolation-syntax-for-i18n</a></p>
  
  <p>I have tried i18n gem with versions 0.4.1, 0.4.0 and 0.4.0-beta1 without luck</p>
  
  <p>Any idea?</p>