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If that were the only issue, the instructions could always say "spaces are optional".
by blahedo 17y ago
If that were the only issue, the instructions could always say "spaces are optional".
- lkozma 17y agoIn that case there would still be different possible ways to enter it. "without dashes and spaces" makes it unambiguous. Again, I'm not claiming it's usable, but sometimes interface design can be counter-intuitive.