Certainly, most websites have no obligation to serve me as a customer, but if they tell me that my name is &quot;invalid&quot;, they shouldn&#x27;t be surprised if I take my custom to a competitor who isn&#x27;t quite so rude.<p>But you seem to be missing the fact that &quot;Gijs in &#x27;t Veld&quot; is perfectly valid Ascii, as would be names like &quot;O&#x27;Leary&quot; or &quot;O&#x27;Reilly&quot; that are perhaps more common in the English-speaking world.