var nonblank []string
	for i, line := range lines {
		line = strings.TrimSpace(line)
		if line == "" || strings.HasPrefix(line, "#") {
			continue
		}
		if needApproval {
			feature, approval, ok := strings.Cut(line, "#")
			if !ok {
				log.Printf("%s:%d: missing proposal approval\n", filename, i+1)
				exitCode = 1
			} else {
				_, err := strconv.Atoi(approval)
				if err != nil {