A := new(Int).Set(a)
	B := new(Int).Set(b)

	// A = Ua*a + Va*b
	// B = Ub*a + Vb*b
	Ua := new(Int).SetInt64(1)
	Va := new(Int)

	Ub := new(Int)
	Vb := new(Int).SetInt64(1)

	q := new(Int)
	temp := new(Int)

	r := new(Int)
	for len(B.abs) > 0 {
		q, r = q.QuoRem(A, B, r)

		A, B, r = B, r, A

		// Ua, Ub = Ub, Ua-q*Ub
		temp.Set(Ub)
		Ub.Mul(Ub, q)
		Ub.Sub(Ua, Ub)

e=!g&&(d||c!==j)||((b=c).nodeType?k(a,c,d):l(a,c,d));return b=null,e}];i<f;i++)if(c=d.relative[a[i].type])m=[ta(ua(m),c)];else{if(c=d.filter[a[i].type].apply(null,a[i].matches),c[u]){for(e=++i;e<f;e++)if(d.relative[a[e].type])break;return xa(i>1&&ua(m),i>1&&sa(a.slice(0,i-1).concat({value:" "===a[i-2].type?"*":""})).replace(P,"$1"),c,i<e&&ya(a.slice(i,e)),e<f&&ya(a=a.slice(e)),e<f&&sa(a))}m.push(c)}return ua(m)}function za(a,b){var c=b.length>0,e=a.length>0,f=function(f,g,h,i,k){var l,o,q,r=0,s="0",t=f&&[],...

  integrity sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==

ua-parser-js@^0.7.30:
  version "0.7.32"
  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.32.tgz#cd8c639cdca949e30fa68c44b7813ef13e36d211"
  integrity sha512-f9BESNVhzlhEFf2CHMSj40NWOjYPl1YKYbrvIr/hFTDEmLq7SRbWvm7FcdcpCYT95zrOhC7gZSxjdnnTpBcwVw==

func testClientCopyHeadersOnRedirect(t *testing.T, mode testMode) {
	const (
		ua   = "some-agent/1.2"
		xfoo = "foo-val"
	)
	var ts2URL string
	ts1 := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {
		want := Header{
			"User-Agent":      []string{ua},
			"X-Foo":           []string{xfoo},
			"Referer":         []string{ts2URL},

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		req.URL = backendURL
	}
	frontend := httptest.NewServer(proxyHandler)
	defer frontend.Close()
	frontendClient := frontend.Client()

	for _, sentUA := range []string{"explicit UA", ""} {
		getReq, _ := http.NewRequest("GET", frontend.URL, nil)
		getReq.Header.Set("User-Agent", sentUA)
		getReq.Close = true
		res, err := frontendClient.Do(getReq)
		if err != nil {
			t.Fatalf("Get: %v", err)

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input,
select,
textarea {
	font-family: inherit;
	/* 1 */
	font-size: 100%;
	/* 2 */
	margin: 0;
	/* 3 */
}

/** Address Firefox 4+ setting `line-height` on `input` using `!important` in the UA stylesheet. */
button,
input {
	line-height: normal;
}