Index: Source/core/css/CSSStyleSheet.idl |
diff --git a/Source/core/css/CSSStyleSheet.idl b/Source/core/css/CSSStyleSheet.idl |
index 986303a8d668f6b0ac247479bbbda82de229f79f..06ca95b274d47b012ca70ca667fd9e616adb132d 100644 |
--- a/Source/core/css/CSSStyleSheet.idl |
+++ b/Source/core/css/CSSStyleSheet.idl |
@@ -25,7 +25,7 @@ |
readonly attribute CSSRule ownerRule; |
readonly attribute CSSRuleList cssRules; |
- [RaisesException] unsigned long insertRule(DOMString rule, unsigned long index); |
+ [RaisesException] unsigned long insertRule(DOMString rule, optional unsigned long index); |
[RaisesException] void deleteRule(unsigned long index); |
// IE Extensions |