LGTM
http://gwt-code-reviews.appspot.com/1447816/diff/2002/user/src/com/google/gwt/user/client/impl/DOMImplStandard.java File user/src/com/google/gwt/user/client/impl/DOMImplStandard.java (right): http://gwt-code-reviews.appspot.com/1447816/diff/2002/user/src/com/google/gwt/user/client/impl/DOMImplStandard.java#newcode248 user/src/com/google/gwt/user/client/impl/DOMImplStandard.java:248: // re-entrant safe Can you expand this comment to say: "These events are re-entrant safe because they are only available on modern browsers that do not leak memory." http://gwt-code-reviews.appspot.com/1447816/diff/2002/user/src/com/google/gwt/user/client/impl/DOMImplStandard.java#newcode254 user/src/com/google/gwt/user/client/impl/DOMImplStandard.java:254: throw eventTypeName; change to: throw "Trying to sink unknown event type " + eventTypeName; http://gwt-code-reviews.appspot.com/1447816/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
