// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
func signV4TrimAll(input string) string {
	// Compress adjacent spaces (a space is determined by
	// unicode.IsSpace() internally here) to one space and return
	return strings.Join(strings.Fields(input), " ")
}

// checkMetaHeaders will check if the metadata from header/url is the same with the one from signed headers

 * `SQUARE.COM` into cool and casual `square.com`. It also handles more exotic characters. For
 * example, the Unicode trademark sign (™) could be confused for the letters "TM" in
 * `http://ho™ail.com`. To mitigate this, the single character (™) maps to the string (tm). There
 * is similar policy for all of the 1.1 million Unicode code points. Note that some code points such
 * as "\ud83c\udf69" are not mapped and cannot be used in a hostname.
 *

pkg text/template/parse, type ContinueNode struct, Line int
pkg text/template/parse, type ContinueNode struct, embedded NodeType
pkg text/template/parse, type ContinueNode struct, embedded Pos

   *     encoded.
   */
  fun getEffectiveTldPlusOne(domain: String): String? {
    // We use UTF-8 in the list so we need to convert to Unicode.
    val unicodeDomain = IDN.toUnicode(domain)
    val domainLabels = splitDomain(unicodeDomain)

    val rule = findMatchingRule(domainLabels)
    if (domainLabels.size == rule.size && rule[0][0] != EXCEPTION_MARKER) {

   *
   * <p>This method (dangerously) assume that the strings {@code "!! a"} and {@code "~~ z"} will
   * work for this purpose, which may cause problems for navigable maps with non-string or unicode
   * generators.
   */
  private List<String> getExtremeValues() {
    List<String> result = new ArrayList<>();
    result.add("!! a");
    result.add("!! b");
    result.add("~~ y");

unicode_letter = /* a Unicode code point categorized as "Letter" */ .
unicode_digit  = /* a Unicode code point categorized as "Number, decimal digit" */ .
</pre>

<p>
In <a href="https://www.unicode.org/versions/Unicode8.0.0/">The Unicode Standard 8.0</a>,
Section 4.5 "General Category" defines a set of character categories.
Go treats all characters in any of the Letter categories Lu, Ll, Lt, Lm, or Lo

        default:
            return NtlmUtil.getPreNTLMResponse(tc, this.password, chlng);
        }
    }


    /**
     * Computes the 24 byte Unicode password hash given the 8 byte server challenge.
     * 
     * @param tc
     * @param chlng
     * @return the hash for the given challenge
     * @throws GeneralSecurityException
     */

            if (typeof options.locale.weekLabel === 'string')
              this.locale.weekLabel = options.locale.weekLabel;

            if (typeof options.locale.customRangeLabel === 'string'){
                //Support unicode chars in the custom range name.
                var elem = document.createElement('textarea');
                elem.innerHTML = options.locale.customRangeLabel;
                var rangeHtml = elem.value;

  // that is making these changes. The value must be less than or
  // 128 characters long, and only contain printable characters,
  // as defined by https://golang.org/pkg/unicode/#IsPrint. This
  // field is required.
  optional string fieldManager = 3;
}

// Condition contains details for one aspect of the current state of this API Resource.
// ---

  }

  @Test
  fun fragmentPercentEncodedPartialCodePoint() {
    val url = parse("http://host/#%80")
    assertThat(url.toString()).isEqualTo("http://host/#%80")
    // Unicode replacement character.
    assertThat(url.fragment).isEqualTo("\ufffd")
    assertThat(url.encodedFragment).isEqualTo("%80")
  }

  @Test
  fun relativePath() {
    val base = parse("http://host/a/b/c")