@@ -614,6 +614,8 @@ The `ctx` object is equivalent to the one received in all [`getInitialProps`](#f
-`renderPage` (`Function`) a callback that executes the actual React rendering logic (synchronously). It's useful to decorate this function in order to support server-rendering wrappers like Aphrodite's [`renderStatic`](https://github.com/Khan/aphrodite#server-side-rendering)
__Note: React-components outside of `<Main />` will not be initialised by the browser. If you need shared components in all your pages (like a menu or a toolbar), do _not_ add application logic here, but take a look at [this example](https://github.com/zeit/next.js/tree/master/examples/layout-component).__
### Custom error handling
404 or 500 errors are handled both client and server side by a default component `error.js`. If you wish to override it, define a `_error.js`:
