Unicode – Weekly Geek

Supply-chain attack using invisible code hits GitHub and other repositories

The invisible code is rendered with Public Use Areas (sometimes called Public Use Access), which are ranges in the Unicode specification for special characters reserved for private use in defining emojis, flags, and other symbols. The code points represent every letter of the US alphabet when fed to computers, but their output is completely invisible… Read More »

Invisible text that AI chatbots understand and humans can’t? Yep, it’s a thing.

With the character block sitting unused, a later Unicode version planned to reuse the abandoned characters to represent countries. For instance, “us” or “jp” might represent the United States and Japan. These tags could then be appended to a generic 🏴flag emoji to automatically convert it to the official US🇺🇲 or Japanese🇯🇵 flags. That plan… Read More »