Deep inside your copied spreadsheets…
beneath vendor exports…
hiding between innocent looking letters…
lurk strange creatures: ¬ Æ √ ™ “ ” ‘ ’ – - … ± ≠ ≤ ≥ µ Ω π € Â Ã â £ ¥ ¢ Α Β Ο С
They slip past your eyes…
break your SQL…
crash your PHP…
and laugh while you debug for two hours.
U+00AC)Most bugs aren’t logic problems.
They’re invisible text monsters.