+ "\u3000\uf8ff\ufeff\ufffb";

    static final CharMatcher INSTANCE = new Invisible();

    private Invisible() {
      super("CharMatcher.invisible()", RANGE_STARTS.toCharArray(), RANGE_ENDS.toCharArray());
    }
  }

  /** Implementation of {@link #singleWidth()}. */
  private static final class SingleWidth extends RangesMatcher {

        if (isHttpUrl && isSmbOrFtpUrl) {
            //  smb/ftp->http
            // encode
            final StringBuilder buf = new StringBuilder(url.length() + 100);
            for (final char c : url.toCharArray()) {
                if (CharUtil.isUrlChar(c)) {
                    buf.append(c);
                } else {
                    try {

                        @Override
                        protected PasswordAuthentication getPasswordAuthentication() {
                            return new PasswordAuthentication(getHttpProxyUsername(), getHttpProxyPassword().toCharArray());
                        }
                    });
                }
            } else {
                proxy = Proxy.NO_PROXY;
            }
            propMap.put(HTML_PROXY, proxy);