docs: @OverrideOnDemand
    @OverridingMethodsMustInvokeSuper
    protected void fillHead (@Nonnull final ISimpleWebExecutionContext aSWEC, @Nonnull final HCHtml aHtml)
    {
      final IRequestWebScopeWithoutResponse aRequestScope = aSWEC.getRequestScope ();
      final HCHead aHead = aHtml.head ();
  
      // Add all meta elements
      addMetaElements (aRequestScope, aHead);
    }