id,Name,"""Email""",Notes 1,Alice Smith,Alice@Example.COM,"""VIP"" customer - contact ASAP..." 2,Bob Jones,bob@example.com,"it's 5'6"" tall" 3,Carol Brown,CAROL@EXAMPLE.COM,3 × 4 = 12 (preserve ×) 4,,empty@example.com,whitespace-only name (becomes empty)