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17 lines
657 B
Markdown
17 lines
657 B
Markdown
# Table Formats
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Each character map table starts with a single nonzero byte, indicating the table's format.
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## Extended ASCII
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Format 1 is for "extended ASCII". Encoded values 0-127 are identical to ASCII, and encoded values 128-255 are mapped to single Unicode characters.
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The table contains 128 entries, for encoded values 128-255, with the following format:
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u8 Length of Unicode character
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u8[] Unicode character, UTF-8
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u8 Length of normalized Unicode character, may be zero
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u8[] Unicode character in NFD normal form, UTF-8
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The second copy of the character is only present if the character decomposes into multiple characters.
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