| --- WebIDL.py | |
| +++ WebIDL.py | |
| @@ -1987,6 +1987,7 @@ class IDLInterface(IDLInterfaceOrNamespace): | |
| or identifier == "RunConstructorInCallerCompartment" | |
| or identifier == "WantsEventListenerHooks" | |
| or identifier == "Serializable" | |
| + or identifier == "Abstract" | |
| ): | |
| # Known extended attributes that do not take values | |
| if not attr.noArguments(): |