ton[data-in-quarto-modal]', {
          text: getTextToCopy,
          container: window.document.getElementById('quarto-embedded-source-code-modal')
        });
        clipboardModal.on('success', onCopySuccess);
      }
        var localhostRegex = new RegExp(/^(?:http|https):\/\/localhost\:?[0-9]*\//);
        var mailtoRegex = new RegExp(/^mailto:/);
          var filterRegex = new RegExp('/' + window.location.host + '/');
        var isInternal = (href) => {
            return filterRegex.test(href) |