<p></p>
<p dir="auto">So <a href="https://datatracker.ietf.org/doc/html/rfc5870" rel="nofollow">RFC 5870</a> does use semicolon to introduce geo URI parameters but <code class="notranslate">z</code> is not a defined parameter, it is extra optional information that we are passing using the <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.4" rel="nofollow">generic query syntax from RFC 3986</a>.</p>

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