return c == ' ' || c == '\t' || c == '\v' || c == '\f'
}

func tableTrimSpace(s string) string {
	i := 0
	for i < len(s) && isTableSpace(s[i]) {
		i++
	}
	j := len(s)
	for j > i && isTableSpace(s[j-1]) {
		j--
	}
	return s[i:j]
}

func tableTrimOuter(row string) tableTrimmed {
	row = tableTrimSpace(row)
	if len(row) > 0 && row[0] == '|' {
		row = row[1:]
	}