title: Can't enter space in textfield using forced uppercase textfield-formatter add-on in Vaadin 8
body: <p>With the <a href="https://vaadin.com/directory/component/textfield-formatter" rel="nofollow noreferrer">TextField Formatter add-on</a> for Vaadin 8, I can do the following to allow only upper-case characters:</p>
  <pre><code>Options options = new Options();
  options.setBlocks(dataLen);
  if (format[1].equalsIgnoreCase(&quot;UPPER&quot;))
      options.setForceCase(ForceCase.UPPER);
  new CustomStringBlockFormatter(options).extend(field);
  </code></pre>
  <p>However, after setting forced uppercase I can't enter space characters any longer. Does anyone how I can allow spaces as well as forced upper case characters?</p>