}
		// If the original block contained u = φ(u0, u1, ..., un) and
		// the current phi is
		//    v = φ(v0, v1, ..., u, ..., vk)
		// then the merged phi is
		//    v = φ(v0, v1, ..., u0, ..., vk, u1, ..., un)
		v.SetArg(i, u.Args[0])
		v.AddArgs(u.Args[1:]...)
	} else {
		// If the original block contained u = φ(u0, u1, ..., un) and
		// the current phi is

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package math

// The original C code, the long comment, and the constants
// below are from FreeBSD's /usr/src/lib/msun/src/e_acosh.c
// and came with this notice. The go code is a simplified
// version of the original C.
//
// ====================================================
// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

// The underlying scanner elides all spaces except newline, so the input looks like a stream of
// Tokens; original spacing is lost but we don't need it.
type TokenReader interface {
	// Next returns the next token.
	Next() ScanToken
	// The following methods all refer to the most recent token returned by Next.
	// Text returns the original string representation of the token.
	Text() string
	// File reports the source file name of the token.

// becomes s and returns the original value for r.Next().
// r must not be empty.
//
// If r and s point to the same ring, linking
// them removes the elements between r and s from the ring.
// The removed elements form a subring and the result is a
// reference to that subring (if no elements were removed,
// the result is still the original value for r.Next(),
// and not nil).
//

type ResponseController struct {
	rw ResponseWriter
}

// NewResponseController creates a [ResponseController] for a request.
//
// The ResponseWriter should be the original value passed to the [Handler.ServeHTTP] method,
// or have an Unwrap method returning the original ResponseWriter.
//
// If the ResponseWriter implements any of the following methods, the ResponseController
// will call them as appropriate:
//
//	Flush()

// license that can be found in the LICENSE file.

package math

/*
	Floating-point logarithm.
*/

// The original C code, the long comment, and the constants
// below are from FreeBSD's /usr/src/lib/msun/src/e_log.c
// and came with this notice. The go code is a simpler
// version of the original C.
//
// ====================================================
// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

// A simplified version of the code in the original report.
type S[T any] struct{}
var V = S[any]{}
func (fs *S[T]) M(V.M /* ERROR "V.M is not a type" */) {}

// Other minimal reproducers.
type S1[T any] V1.M /* ERROR "V1.M is not a type" */
type V1 = S1[any]

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package math

// The original C code, the long comment, and the constants
// below are from FreeBSD's /usr/src/lib/msun/src/e_atanh.c
// and came with this notice. The go code is a simplified
// version of the original C.
//
// ====================================================
// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.

	for _, flag := range analysisFlags {
		if rEnable.MatchString(flag.Usage) {
			analyzerSet[flag.Name] = true
		}
	}

	rDeprecated := regexp.MustCompile("^deprecated alias for -(?P<analyzer>(.+))$")
	// Returns the original value matched by rDeprecated on input value.
	// If there is no match, "" is returned.
	originalValue := func(value string) string {
		match := rDeprecated.FindStringSubmatch(value)
		if len(match) < 2 {
			return ""
		}

			p = append(p, '%', hex[c>>4], hex[c&0xF])
		} else {
			p = append(p, c)
		}
	}

	return string(p)
}

// PrefixToPath is the inverse of PathToPrefix, replacing escape sequences with
// the original character.
func PrefixToPath(s string) (string, error) {
	percent := strings.IndexByte(s, '%')
	if percent == -1 {
		return s, nil
	}

	p := make([]byte, 0, len(s))
	for i := 0; i < len(s); {