<p></p>
<p><b>@AntonKhorev</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5736#discussion_r2060446192">app/assets/javascripts/osm.js.erb</a>:</p>
<pre style='color:#555'>> @@ -121,6 +135,30 @@ OSM = {
     return mapParams;
   },
 
+  parseGeoURI: function (geoURI) {
+    if (typeof geoURI !== "string") return;
+    let url;
+    try {
+      url = new URL(geoURI.toLowerCase());
+    } catch (e) { return; }
+    if (url.protocol !== "geo:" || !url.pathname) return;
+    const [path, ...params] = url.pathname.split(";");
+    let coords;
+    try {
+      coords = L.latLng(path.split(","));
+    } catch (e) { return; }
+    if (!coords) return;
+    const searchParams = new URLSearchParams(params.join("&"));
</pre>
<p dir="auto">I checked Google Maps and looks like <code class="notranslate">z</code> is case sensitive, so it's better to move <code class="notranslate">toLowerCase</code> here:</p>
⬇️ Suggested change
<pre style="color: #555">-    const searchParams = new URLSearchParams(params.join("&"));
+    const searchParams = new URLSearchParams(params.join("&").toLowerCase());
</pre>

<p dir="auto"><code class="notranslate">url.protocol !== "geo:"</code> should still work because the <code class="notranslate">URL</code> class converts it to lowecase on its own.</p>

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