input = strings.ReplaceAll(input, "$", " ")
	input = strings.ReplaceAll(input, "^", " ")

		ret[strings.Trim(word, "'")]++

		// we skip `'` in sepFunc, so have to trim here
		word := strings.Trim(word, "'")
		ret[word]++

	if unicode.IsSpace(ch) || unicode.IsPunct(ch) && ch != '\'' {

	if unicode.IsSpace(ch) || unicode.IsSymbol(ch) ||
		unicode.IsPunct(ch) && ch != '\'' {