resources/lib/ooui/themes/wikimediaui/images/icons/message.svg
<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><title>
message
</title><path d="M0 8v8a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V8l-10 4z"/><path d="M2 2a2 2 0 0 0-2 2v2l10 4 10-4V4a2 2 0 0 0-2-2z"/></svg>