buf                            strings.Builder
		lastCase, nextCase, nextNumber bool // upper case == true
		curCase                        = value[0] <= 'Z' && value[0] >= 'A'
	)

	for i, v := range value[:len(value)-1] {
		nextCase = value[i+1] <= 'Z' && value[i+1] >= 'A'
		nextNumber = value[i+1] >= '0' && value[i+1] <= '9'

		if curCase {
			if lastCase && (nextCase || nextNumber) {
				buf.WriteRune(v + 32)
			} else {

func (p *rulesParser) syntaxError(msg string) {
	panic(syntaxError(fmt.Sprintf("parsing graph: line %d: syntax error: %s near %s", p.lineno, msg, p.lastWord)))
}

// nextList parses and returns a comma-separated list of names.
func (p *rulesParser) nextList() (list []string, token string) {
	for {
		tok := p.nextToken()
		switch tok {
		case "":
			if len(list) == 0 {
				return nil, ""
			}
			fallthrough