// Sensitive means that this header field should never be
	// indexed.
	Sensitive bool
}

// IsPseudo reports whether the header field is an http2 pseudo header.
// That is, it reports whether it starts with a colon.
// It is not otherwise guaranteed to be a valid pseudo header field,
// though.
func (hf HeaderField) IsPseudo() bool {
	return len(hf.Name) != 0 && hf.Name[0] == ':'
}

func (hf HeaderField) String() string {

		line = strings.TrimSpace(line)
		if strings.HasPrefix(line, "#") || line == "" {
			continue
		}
		i := strings.Index(line, ":")
		if i < 0 {
			t.Fatalf("missing colon: %q", line)
		}
		key := strings.TrimSpace(line[:i])
		val := strings.TrimSpace(line[i+1:])
		if key == "" {
			t.Fatalf("missing key: %q", line)
		}
		kf := strings.Fields(key)
		switch kf[0] {

	testDir = flag.String("testdir", "", "Go root subdirectory - for testing only (faster startups)")
	pkgPath = flag.String("path", "", "additional package directories (colon-separated)")
	filter = flag.String("filter", "", "filter file containing permitted package directory paths")
	filterMin = flag.Int("filter_minutes", 0, "filter file update interval in minutes; disabled if <= 0")

	testDir		= flag.String("testdir", "", "Go root subdirectory - for testing only (faster startups)")
	pkgPath		= flag.String("path", "", "additional package directories (colon-separated)")
	filter		= flag.String("filter", "", "filter file containing permitted package directory paths")
	filterMin	= flag.Int("filter_minutes", 0, "filter file update interval in minutes; disabled if <= 0")

	itemComplex                      // complex constant (1+2i); imaginary is just a number
	itemAssign                       // equals ('=') introducing an assignment
	itemDeclare                      // colon-equals (':=') introducing a declaration
	itemEOF
	itemField      // alphanumeric identifier starting with '.'
	itemIdentifier // alphanumeric identifier not starting with '.'
	itemLeftDelim  // left action delimiter

	done
}
__istio_compopt() {
	true # don't do anything. Not supported by bashcompinit in zsh
}
__istio_ltrim_colon_completions()
{
	if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
		# Remove colon-word prefix from COMPREPLY items
		local colon_word=${1%${1##*:}}
		local i=${#COMPREPLY[*]}
		while [[ $((--i)) -ge 0 ]]; do
			COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
		done
	fi
}

		{"http://[::1]/", false},
		{"http://[::1]a", true},
		{"http://[::1]%23", true},
		{"http://[::1%25en0]", false},    // valid zone id
		{"http://[::1]:", false},         // colon, but no port OK
		{"http://x:", false},             // colon, but no port OK
		{"http://[::1]:%38%30", true},    // not allowed: % encoding only for non-ASCII
		{"http://[::1%25%41]", false},    // RFC 6874 allows over-escaping in zone

			name:         "windows path no drive",
		},
		{
			goos:         "windows",
			path:         "\\:\\some\\path",
			expectedPath: "\\:\\some\\path",
			name:         "windows path with colon",
		},
	}
	for _, test := range tests {
		if runtime.GOOS == test.goos {
			path := MakeAbsolutePath(test.goos, test.path)
			if path != test.expectedPath {

// contain:
// * unreserved characters (alphanumeric, '-', '.', '_', '~')
// * percent-encoded octets
// * sub-delims ("!", "$", "&", "'", "(", ")", "*", "+", ",", ";", "=")
// * a colon character (":")
const httpPathFmt string = `[A-Za-z0-9/\-._~%!$&'()*+,;=:]+`

var httpPathRegexp = regexp.MustCompile("^" + httpPathFmt + "$")

// IsDomainPrefixedPath checks if the given string is a domain-prefixed path

	zone []zone
	tx   []zoneTrans

	// The tzdata information can be followed by a string that describes
	// how to handle DST transitions not recorded in zoneTrans.
	// The format is the TZ environment variable without a colon; see
	// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html.
	// Example string, for America/Los_Angeles: PST8PDT,M3.2.0,M11.1.0
	extend string

	// Most lookups will be for the current time.