**Do you want to request a *feature* or report a *bug*?**

bug? Maybe.

**What is the current behavior?**

Using non-delegated handler for submit event.

**What is the expected behavior?**

After IE9, at least I know, submit event bubbled up.

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**

16.2.0
TOP_TOGGLE,
} from '../events/DOMTopLevelEventTypes';
import {listenTo, trapBubbledEvent} from '../events/ReactBrowserEventEmitter';
import {mediaEventTypes} from '../events/DOMTopLevelEventTypes';
import * as CSSPropertyOperations from '../shared/CSSPropertyOperations';
import {Namespaces, getIntrinsicNamespace} from '../shared/DOMNamespaces';
import {
  getPropertyInfo,
  shouldIgnoreAttribute,
  shouldRemoveAttribute,
} from '../shared/DOMProperty';
import assertValidProps from '../shared/assertValidProps';
import {DOCUMENT_NODE, DOCUMENT_FRAGMENT_NODE} from '../shared/HTMLNodeType';
import isCustomComponent from '../shared/isCustomComponent';
import possibleStandardNames from '../shared/possibleStandardNames';
import {validateProperties as validateARIAProperties} from '../shared/ReactDOMInvalidARIAHook';
import {validateProperties as validateInputProperties} from '../shared/ReactDOMNullInputValuePropHook';
import {validateProperties as validateUnknownProperties} from '../shared/ReactDOMUnknownPropertyHook';
let didWarnInvalidHydration = false;
let didWarnShadyDOM = false;
const DANGEROUSLY_SET_INNER_HTML = 'dangerouslySetInnerHTML';
const SUPPRESS_CONTENT_EDITABLE_WARNING = 'suppressContentEditableWarning';
const SUPPRESS_HYDRATION_WARNING = 'suppressHydrationWarning';
const AUTOFOCUS = 'autoFocus';
const CHILDREN = 'children';
const STYLE = 'style';
const HTML = '__html';
const {html: HTML_NAMESPACE} = Namespaces;
let warnedUnknownTags;
let suppressHydrationWarning;