<p></p>
<p><b>@petr-hajek</b> requested changes on this pull request.</p>

<p dir="auto">I think to avoid code repetition between maptiler and shortbread, best would be to move the logic to leaflet.maplibre.js</p>
<pre class="notranslate"><code class="notranslate">L.OSM.MaplibreMap = L.MaplibreGL.extend({
  _getAttribution: function () {
    return this.options.attribution;
  },
  _blankAttribution: function () {
    return "";
  },
  onAdd: function (map) {
    this.getAttribution = this._blankAttribution;
    L.MaplibreGL.prototype.onAdd.call(this, map);
    this.getAttribution = this._getAttribution;
  }
});
</code></pre>
<p dir="auto">And then to extend this from both of the files</p>

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