r := values[0][1 : n-1]
	// Translate doubled quotes
	*ls = LiteralList(strings.Split(r, ","))
	return nil
}

// ObjectKey is a type for parsed strings occurring in key paths
type ObjectKey struct {
	Lit *LiteralString `parser:" \"[\" @LitString \"]\""`
	ID  *Identifier    `parser:"| \".\" @@"`
}

// QuotedIdentifier is a type for parsed strings that are double
// quoted.
type QuotedIdentifier string

# Check that mod tidy does not introduce repeated
# require statements when input go.mod has quoted requirements.
env GO111MODULE=on

go mod tidy
grep -count=1 rsc.io/quote go.mod

cp go.mod2 go.mod
go mod tidy
grep -count=1 rsc.io/quote go.mod


-- go.mod --
module x

-- x.go --
package x
import "rsc.io/quote"
func main() { _ = quote.Hello }

-- go.mod2 --
module x
require (
	"rsc.io/sampler" v1.3.0

//
// # String Conversions
//
// [Quote] and [QuoteToASCII] convert strings to quoted Go string literals.
// The latter guarantees that the result is an ASCII string, by escaping
// any non-ASCII Unicode with \u:
//
//	q := strconv.Quote("Hello, 世界")
//	q := strconv.QuoteToASCII("Hello, 世界")
//
// [QuoteRune] and [QuoteRuneToASCII] are similar but accept runes and
// return quoted Go rune literals.
//

		if quote == '\000' && unicode.IsSpace(c) {
			if !lastSpace {
				cc = append(cc, s[start:i])
				lastSpace = true
			}
		} else {
			if lastSpace {
				start = i
				lastSpace = false
			}
			if quote == '\000' && !backslash && (c == '"' || c == '\'') {
				quote = c
				backslash = false
			} else if !backslash && quote == c {
				quote = '\000'

# This test checks that the CC environment variable may contain quotes and
# spaces. Arguments are normally split on spaces, tabs, newlines. If an
# argument contains these characters, the entire argument may be quoted
# with single or double quotes. This is the same as -gcflags and similar
# options.

[short] skip
[!exec:clang] [!exec:gcc] skip
[!cgo] skip

env GOENV=$WORK/go.env
mkdir 'program files'

                    // The result would be something like DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'" \"-javaagent:$APP_HOME/lib/agents/foobar.jar\""
                    line + getAgentOptions("\$APP_HOME").joinToString(separator = " ", prefix = "\" ", postfix = "\"") {
                        // Wrap the agent switch in double quotes, as the expanded APP_HOME may contain spaces.

package main

import (
	"fmt"
	"rsc.io/quote/v3"
)

func main() {
	fmt.Println(quote.GoV3())
}
-- multiple-paths/go.mod --
module quoter

require (
	rsc.io/quote/v3 v3.0.0
	not-rsc.io/quote/v3 v3.0.0
)

replace not-rsc.io/quote/v3 => rsc.io/quote/v3 v3.0.0
-- multiple-paths/use.go --
package quoter

import (
	_ "not-rsc.io/quote/v3"
	_ "rsc.io/quote/v3"

go mod download rsc.io/quote@v1.5.2

! go list $GOPATH/pkg/mod/rsc.io/quote@v1.5.2
stderr '^directory ..[/\\]pkg[/\\]mod[/\\]rsc.io[/\\]quote@v1.5.2 outside main module or its selected dependencies$'

go list $GOPATH/pkg/mod/rsc.io/quote@v1.5.1
stdout 'rsc.io/quote'

-- go.mod --
module example.com/quoter

require rsc.io/quote v1.5.2

replace rsc.io/quote => rsc.io/quote v1.5.1

-- use.go --

				rawKey, err := strconv.QuotedPrefix(kv)
				if err != nil {
					return nil, fmt.Errorf("invalid quoted key in build line")
				}
				if len(kv) == len(rawKey) {
					return nil, fmt.Errorf("build line missing '=' after quoted key")
				}
				if c := kv[len(rawKey)]; c != '=' {
					return nil, fmt.Errorf("unexpected character after quoted key: %q", c)
				}
				key, _ = strconv.Unquote(rawKey)
				rawValue = kv[len(rawKey)+1:]

	//
	// warn-code is a three digit number
	// warn-agent is unquoted and contains no spaces
	// warn-text is quoted with backslash escaping (RFC2047-encoded according to RFC2616, not encoded according to RFC7234)
	// warn-date is optional, quoted, and in HTTP-date format (no embedded or escaped quotes)
	//
	// additional warnings can optionally be included in the same header by comma-separating them: