Index: application_helper_test.rb
===================================================================
diff --git a/trunk/test/helpers/application_helper_test.rb b/trunk/test/helpers/application_helper_test.rb
--- a/trunk/test/helpers/application_helper_test.rb	(revision 20151)
+++ b/trunk/test/helpers/application_helper_test.rb	(working copy)
@@ -114,6 +114,16 @@
     to_test.each {|text, result| assert_equal "<p>#{result}</p>", textilizable(text)}
   end
 
+  def test_auto_links_should_not_escape_query_string
+    with_settings :text_formatting => '' do
+      to_test = {
+        "http://foo.bar?param1=1&param2=2" =>
+          %|<a class="external" href="http://foo.bar?param1=1&amp;param2=2">http://foo.bar?param1=1&amp;param2=2</a>|
+      }
+      to_test.each {|text, result| assert_equal "<p>#{result}</p>", textilizable(text)}
+    end
+  end
+
   def test_auto_mailto
     to_test = {
       'test@foo.bar' => '<a class="email" href="mailto:test@foo.bar">test@foo.bar</a>',