<a href=":/62d16d1c1e28418da6624fa8742a7ed0">Resource link</a>

<a href="https://example.com/ok">ok</a>

<a href="http://example.com/ok">ok</a>

<a href="mailto:name@email.com">ok</a>

<a href="joplin://62d16d1c1e28418da6624fa8742a7ed0">ok</a>

<a href="file:///etc/passwd">not ok</a>

<a href="data://blabla">not ok</a>
