docs: function afterElementOpen(input, element, content) {
              // Sanity check
              verifyParameterIsDefined(input, 'input', 'afterElementOpen');
              verifyParameterIsDefined(element, 'element', 'afterElementOpen');
  
              return insertAfter(normalizeValue(input), normalizeRegExp(`<${normalizeValue(element)}[^\>]*>`), normalizeValue(content));
          }