Progress
Internationalization Guide
Distinguishing Characters, Bytes, and Columns
In order for your code to process multi-byte characters correctly, you need to understand the difference between characters, columns, and bytes:
To clarify these concepts, examine Table 8–4, which shows two characters, one single-byte and one double-byte, and the byte count and column count of each.
Table 8–4: Byte Count and Column Count
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