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| Item | Formula / Note | Source / Standard |
|---|---|---|
| Delimiters | declare comma, newline or semicolon delimiters up front | RFC 4180 (CSV analogy) |
| Dedupe and sort | dedupe compares whole items; sort defaults to code point order | POSIX sort |
| Whitespace | trimming edges must be explicit to avoid merging items | Unicode UAX 44 |