**report a *bug*?**

**What is the current behavior?**

onToggle prop attached to a details html element does not attach the event handler , instead shows a warning "Warning: Unknown prop `onToggle` on `<details>` tag. Remove this prop from the element. For details, see https://fb.me/react-unknown-prop
    in details (created by Details) ...

**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://jsfiddle.net or similar (template: https://jsfiddle.net/reactjs/69z2wepo/).**

No time right now

**What is the expected behavior?**

-

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

Latest

WorkAround:

Use onClick instead, (does not work fire event handler when details is opened with keyboard !)
domElement = div.removeChild(firstChild);
      } else if (props.is) {
        domElement = ownerDocument.createElement(type, props.is);
      } else {
        
        
        
        domElement = ownerDocument.createElement(type);
      }
    } else {
      domElement = ownerDocument.createElementNS(
        namespaceURI,
        type
      );
    }
    return domElement;
  },
  setInitialProperties(
    domElement : Element,
    tag : string,
    rawProps : Object,
    rootContainerElement : Element
  ) : void {
    var isCustomComponentTag = isCustomComponent(tag, rawProps);
    if (__DEV__) {
      validatePropertiesInDevelopment(tag, rawProps);
      if (isCustomComponentTag && !didWarnShadyDOM && domElement.shadyRoot) {
        warning(
          false,
          '%s is using shady DOM. Using shady DOM with React can ' +