correct atom feed response

gistfile1.txt

❯ curl -i -X GET -H'Accept: application/atom+xml' https://github.com/nodejs/node/releases.atom
HTTP/1.1 200 OK
Server: GitHub.com
Date: Wed, 30 Mar 2016 18:32:14 GMT
Content-Type: application/atom+xml; charset=utf-8
Transfer-Encoding: chunked
Status: 200 OK
Cache-Control: no-cache
Vary: X-PJAX
X-UA-Compatible: IE=Edge,chrome=1
X-Request-Id: ab6e97401c71ddca800b285a5c17ca6b
X-Runtime: 0.024961
Content-Security-Policy: default-src 'none'; base-uri 'self'; block-all-mixed-content; child-src render.githubusercontent.com; connect-src 'self' uploads.github.com status.github.com api.github.com www.google-analytics.com github-cloud.s3.amazonaws.com api.braintreegateway.com client-analytics.braintreegateway.com wss://live.github.com; font-src assets-cdn.github.com; form-action 'self' github.com gist.github.com; frame-ancestors 'none'; frame-src render.githubusercontent.com; img-src 'self' data: assets-cdn.github.com identicons.github.com www.google-analytics.com collector.githubapp.com *.gravatar.com *.wp.com checkout.paypal.com *.githubusercontent.com; media-src 'none'; object-src assets-cdn.github.com; plugin-types application/x-shockwave-flash; script-src assets-cdn.github.com; style-src 'unsafe-inline' assets-cdn.github.com
Strict-Transport-Security: max-age=31536000; includeSubdomains; preload
Public-Key-Pins: max-age=1209600; pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; pin-sha256="RRM1dGqnDFsCJXBTHky16vi1obOlCgFFn/yOhI/y+ho="; pin-sha256="k2v657xBsOVe1PQRwOsHsw3bsGT2VzIqz5K+59sNQws="; pin-sha256="K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q="; pin-sha256="IQBnNBEiFuhj+8x6X8XLgh01V9Ic5/V3IRQLNFFc7v4="; pin-sha256="iie1VXtL7HzAMF+/PVPR9xzT80kQxdZeJ+zduCB3uj0="; pin-sha256="LvRiGEjRqfzurezaWuj8Wie2gyHMrW5Q06LspMnox7A="; includeSubDomains
X-Content-Type-Options: nosniff
X-Frame-Options: deny
X-XSS-Protection: 1; mode=block
Vary: Accept-Encoding
X-Served-By: 29885c8097c6d503a86029451b2e021c
X-GitHub-Request-Id: 267A30DA:5F9A:1D6AB3E6:56FC1BAD

<?xml version="1.0" encoding="UTF-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" xml:lang="en-US">
  <id>tag:github.com,2008:https://github.com/nodejs/node/releases</id>
  <link type="text/html" rel="alternate" href="https://github.com/nodejs/node/releases"/>
  <link type="application/atom+xml" rel="self" href="https://github.com/nodejs/node/releases.atom"/>
  <title>Release notes from node</title>
  <updated>2016-03-23T17:15:18Z</updated>
  <entry>
    <id>tag:github.com,2008:Repository/27193779/v5.9.1</id>
    <updated>2016-03-23T17:15:18Z</updated>
    <link rel="alternate" type="text/html" href="/nodejs/node/releases/tag/v5.9.1"/>
    <title>v5.9.1</title>
    <content type="html">&lt;p&gt;2016-03-23 Node.js v5.9.1 (Stable) Release&lt;/p&gt;</content>
    <author>
      <name>Fishrock123</name>
    </author>
    <media:thumbnail height="30" width="30" url="https://avatars2.githubusercontent.com/u/1093990?v=3&amp;s=60"/>
  </entry>

// ......