Critical but Fragile Infrastructure
The practical implication: a string like “аpple.com” with Cyrillic а (U+0430) is pixel-identical to “apple.com” in 40+ fonts. The user, the browser’s address bar, and any visual review process all see the same pixels. This is not theoretical. It is a measured property of the font files shipping on every Mac.
。WPS官方版本下载对此有专业解读
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If you design your functions to fully consume their arguments then you simply reference (ref)