Supplementary Multilingual Plane
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SMP
Encoding & StandardsUnicode Plane 1 (U+10000 đến U+1FFFF), nơi phần lớn các điểm mã emoji được phân bổ.
The SMP is Unicode's Plane 1, containing characters that didn't fit in the original Basic Multilingual Plane. It includes emoji (U+1F000 to U+1FAFF), ancient scripts, musical notation, mathematical alphanumeric symbols, and more.The emoji blocks in the SMP include:
- U+1F300-U+1F5FF: Miscellaneous Symbols and Pictographs
- U+1F600-U+1F64F: Emoticons
- U+1F680-U+1F6FF: Transport and Map Symbols
- U+1F900-U+1F9FF: Supplemental Symbols and Pictographs
- U+1FA00-U+1FA6F: Chess Symbols
- U+1FA70-U+1FAFF: Symbols and Pictographs Extended-A
Because SMP characters are above U+FFFF, they require 4 bytes in UTF-8 and surrogate pairs in UTF-16.