diff --git a/ChangeLog b/ChangeLog
index 02288aba48..bef59e3008 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Thu Apr 14 19:05:06 2005  Minero Aoki  <aamine@loveruby.net>
+
+	* parse.y [ripper] (regexp): dispatch regexp option.
+	  [ruby-Bugs:1688]
+
+	* ext/ripper/lib/core.rb: regenerated (interface changed).
+
 Thu Apr 14 18:59:43 2005  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/fileutils.rb (remove_file): ignore exceptions caused by
diff --git a/ext/ripper/lib/ripper/core.rb b/ext/ripper/lib/ripper/core.rb
index e936783698..b362d30d20 100644
--- a/ext/ripper/lib/ripper/core.rb
+++ b/ext/ripper/lib/ripper/core.rb
@@ -97,7 +97,7 @@ class Ripper
     :qwords_add => 2,
     :qwords_new => 0,
     :redo => 0,
-    :regexp_literal => 1,
+    :regexp_literal => 2,
     :rescue => 4,
     :rescue_mod => 2,
     :restparam => 1,
@@ -525,7 +525,7 @@ class Ripper
     nil
   end
 
-  def on_regexp_literal(a)
+  def on_regexp_literal(a, b)
     a
   end
 
diff --git a/parse.y b/parse.y
index 21faacd0e0..45c3e648e9 100644
--- a/parse.y
+++ b/parse.y
@@ -3551,7 +3551,7 @@ regexp		: tREGEXP_BEG xstring_contents tREGEXP_END
 			}
 			$$ = node;
 		    /*%
-			$$ = dispatch1(regexp_literal, $2);
+			$$ = dispatch2(regexp_literal, $2, $3);
 		    %*/
 		    }
 		;