diff --git a/lib/redcloth.rb b/lib/redcloth.rb
index 7729ced46..f94c95738 100644
--- a/lib/redcloth.rb
+++ b/lib/redcloth.rb
@@ -376,13 +376,13 @@ class RedCloth < String
         re =
             case rtype
             when :limit
-                /(^|[>\s])
+                /(^|[>\s\(])
                 (#{rcq})
                 (#{C})
                 (?::(\S+?))?
                 ([^\s\-].*?[^\s\-]|\w)
                 #{rcq}
-                (?=[[:punct:]]|\s|$)/x
+                (?=[[:punct:]]|\s|\)|$)/x
             else
                 /(#{rcq})
                 (#{C})
diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index e8b5883ce..8bd745124 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -162,6 +162,13 @@ class ApplicationHelperTest < HelperTestCase
     to_test.each { |text, result| assert_equal "<table>#{result}</table>", textilizable(text).gsub(/[\t\n]/, '') }
   end
   
+  def test_text_formatting
+    to_test = {'*_+bold, italic and underline+_*' => '<strong><em><ins>bold, italic and underline</ins></em></strong>',
+               '(_text within parentheses_)' => '(<em>text within parentheses</em>)'
+              }
+    to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text) }
+  end
+  
   def test_wiki_horizontal_rule
     assert_equal '<hr />', textilizable('---')
     assert_equal '<p>Dashes: ---</p>', textilizable('Dashes: ---')