for i, l := range lower {
		u := upper[i]
		if TurkishCase.ToLower(l) != l {
			t.Errorf("lower(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToLower(l), l)
		}
		if TurkishCase.ToUpper(u) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", u, TurkishCase.ToUpper(u), u)
		}
		if TurkishCase.ToUpper(l) != u {
			t.Errorf("upper(U+%04X) is U+%04X not U+%04X", l, TurkishCase.ToUpper(l), u)
		}
		if TurkishCase.ToLower(u) != l {

// It should encompass all the languages with special casing rules
// and be generated automatically, but that requires some API
// development first.

package unicode

var TurkishCase SpecialCase = _TurkishCase
var _TurkishCase = SpecialCase{
	CaseRange{0x0049, 0x0049, d{0, 0x131 - 0x49, 0}},
	CaseRange{0x0069, 0x0069, d{0x130 - 0x69, 0, 0x130 - 0x69}},
	CaseRange{0x0130, 0x0130, d{0, 0x69 - 0x130, 0}},

}

func ExampleToUpperSpecial() {
	fmt.Println(strings.ToUpperSpecial(unicode.TurkishCase, "örnek iş"))
	// Output: ÖRNEK İŞ
}

func ExampleToLower() {
	fmt.Println(strings.ToLower("Gopher"))
	// Output: gopher
}

func ExampleToLowerSpecial() {
	fmt.Println(strings.ToLowerSpecial(unicode.TurkishCase, "Önnek İş"))
	// Output: önnek iş
}

func ExampleTrim() {

	// U+0047 'G'
}

func ExampleToUpper() {
	const ucG = 'g'
	fmt.Printf("%#U\n", unicode.ToUpper(ucG))

	// Output:
	// U+0047 'G'
}

func ExampleSpecialCase() {
	t := unicode.TurkishCase

	const lci = 'i'
	fmt.Printf("%#U\n", t.ToLower(lci))
	fmt.Printf("%#U\n", t.ToTitle(lci))
	fmt.Printf("%#U\n", t.ToUpper(lci))

	const uci = 'İ'
	fmt.Printf("%#U\n", t.ToLower(uci))

const TitleCase = 2 ;
func To (_case <type -11>, r <type -21>) <type -21>;
func ToLower (r <type -21>) <type -21>;
func ToTitle (r <type -21>) <type -21>;
func ToUpper (r <type -21>) <type -21>;
var TurkishCase <type 10>;
var Ugaritic <type 1>;
var Unified_Ideograph <type 1>;
var Upper <type 1>;
const UpperCase = 0 ;
const UpperLower = 1114112' ;
var Vai <type 1>;
var Variation_Selector <type 1>;

	upper := "ABCÇDEFGĞHIİJKLMNOÖPRSŞTUÜVYZ"
	u := ToUpperSpecial(unicode.TurkishCase, upper)
	if u != upper {
		t.Errorf("Upper(upper) is %s not %s", u, upper)
	}
	u = ToUpperSpecial(unicode.TurkishCase, lower)
	if u != upper {
		t.Errorf("Upper(lower) is %s not %s", u, upper)
	}
	l := ToLowerSpecial(unicode.TurkishCase, lower)
	if l != lower {
		t.Errorf("Lower(lower) is %s not %s", l, lower)
	}

		{"Tirhuta", Var, 4},
		{"Title", Var, 0},
		{"TitleCase", Const, 0},
		{"To", Func, 0},
		{"ToLower", Func, 0},
		{"ToTitle", Func, 0},
		{"ToUpper", Func, 0},
		{"Toto", Var, 21},
		{"TurkishCase", Var, 0},
		{"Ugaritic", Var, 0},
		{"Unified_Ideograph", Var, 0},
		{"Upper", Var, 0},
		{"UpperCase", Const, 0},
		{"UpperLower", Const, 0},
		{"Vai", Var, 0},

pkg unicode, var Thaana *RangeTable
pkg unicode, var Thai *RangeTable
pkg unicode, var Tibetan *RangeTable
pkg unicode, var Tifinagh *RangeTable
pkg unicode, var Title *RangeTable
pkg unicode, var TurkishCase SpecialCase
pkg unicode, var Ugaritic *RangeTable
pkg unicode, var Unified_Ideograph *RangeTable
pkg unicode, var Upper *RangeTable
pkg unicode, var Vai *RangeTable