diff --git a/ChangeLog b/ChangeLog
index d855732e74..ac5aad2c09 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Nov 30 18:01:50 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* test/ruby/test_regexp.rb (TestRegexp#test_parse_curly_brace):
+	  now accepts quantifier on anchrs agian by r20391.
+
 Sat Nov 29 23:56:44 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* man/irb.1 (EXAMPLES): new section
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index fdfef04b4d..d6441c9573 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -604,11 +604,13 @@ class TestRegexp < Test::Unit::TestCase
     check(/\Aa{0}+\z/, "", %w(a aa aab))
     check(/\Aa{1}+\z/, %w(a aa), ["", "aab"])
     check(/\Aa{1,2}b{1,2}\z/, %w(ab aab abb aabb), ["", "aaabb", "abbb"])
+    check(/(?!x){0,1}/, [ ['', 'ab'], ['', ''] ])
+    check(/c\z{0,1}/, [ ['c', 'abc'], ['c', 'cab']], ['abd'])
+    check(/\A{0,1}a/, [ ['a', 'abc'], ['a', '____abc']], ['bcd'])
     failcheck('.{100001}')
     failcheck('.{0,100001}')
     failcheck('.{1,0}')
     failcheck('{0}')
-    failcheck('(?!x){0,1}')
   end
 
   def test_parse_comment