CharlotteBuff questions

CharlotteBuff answers

• Are all Unicode Emoji ZWJ Sequences valid?
• How can I control (across all devices and browsers) whether a character is displayed as the emoji version or text version?
• How to get all Unicode characters from specific categories?
• What are all characters that the Unicode Other_ID_Start and Other_ID_Continue properties include?
• How to make a hair space and thin space non-breaking?
• How to display the fraction 15/16 nicely in Unicode?
• Why is upper casing not enough for case-insensitive comparison?
• Why isn't there a "Medium Small Black Circle" in Unicode
• How does UTF-8 encoding identify single byte and double byte characters?
• Why does the red heart emoji require two code points, but the other colored hearts require one?