<p>"file" does not recognize the file as <code>utf-8</code> It looks like there are <code>^@</code> characters that it does not like. Apparently null characters <a href="https://en.wikipedia.org/wiki/Null_character" rel="nofollow">https://en.wikipedia.org/wiki/Null_character</a></p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/RIOT-OS/RIOT/pull/9095#issuecomment-470094293">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AEn7YMF2ZTWBrWW0pPR5Dyk2ifxk7vmCks5vT7i5gaJpZM4T1J3w">mute the thread</a>.<img src="https://github.com/notifications/beacon/AEn7YLvOBUJXmaRMFQLUwVBXB6tniGe-ks5vT7i5gaJpZM4T1J3w.gif" height="1" width="1" alt="" /></p>
<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/RIOT-OS/RIOT","title":"RIOT-OS/RIOT","subtitle":"GitHub repository","main_image_url":"https://github.githubassets.com/images/email/message_cards/header.png","avatar_image_url":"https://github.githubassets.com/images/email/message_cards/avatar.png","action":{"name":"Open in GitHub","url":"https://github.com/RIOT-OS/RIOT"}},"updates":{"snippets":[{"icon":"PERSON","message":"@cladmi in #9095: \"file\" does not recognize the file as `utf-8` It looks like there are `^@` characters that it does not like. Apparently null characters https://en.wikipedia.org/wiki/Null_character"}],"action":{"name":"View Pull Request","url":"https://github.com/RIOT-OS/RIOT/pull/9095#issuecomment-470094293"}}}</script>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/RIOT-OS/RIOT/pull/9095#issuecomment-470094293",
"url": "https://github.com/RIOT-OS/RIOT/pull/9095#issuecomment-470094293",
"name": "View Pull Request"
},
"description": "View this Pull Request on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>