return argNum, i + wid, ok
}

func (p *pp) badArgNum(verb rune) {
	p.buf.writeString(percentBangString)
	p.buf.writeRune(verb)
	p.buf.writeString(badIndexString)
}

func (p *pp) missingArg(verb rune) {
	p.buf.writeString(percentBangString)
	p.buf.writeRune(verb)
	p.buf.writeString(missingString)
}

func (p *pp) doPrintf(format string, a []any) {
	end := len(format)

stderr '^go: golang\.org/issue46659 imports\n\texample\.com/missingpkg/deprecated: package example\.com/missingpkg/deprecated provided by example\.com/missingpkg at latest version v1\.0\.0 but not at required version v1\.0\.1-beta$'

go mod tidy -e

cmp go.mod go.mod.orig

-- go.mod --
module golang.org/issue46659

go 1.17

replace example.com/missingpkg v1.0.1-alpha => example.com/missingpkg v1.0.0

require example.com/usemissingpre v1.0.0

		haveErrors := false
		allMissingErrors := true
		for _, pkg := range pkgs {
			if pkg.Error == nil {
				continue
			}
			haveErrors = true
			if missingErr := (*modload.ImportMissingError)(nil); !errors.As(pkg.Error, &missingErr) {
				allMissingErrors = false
				break
			}
		}
		if haveErrors && allMissingErrors {
			latestArgs := make([]string, len(args))
			for i := range args {