Various spreadsheet file format notes.
- Data Interchange Format (DIF)
- Lotus WK# formats
- Quattro Pro QPW format
- Symbolic Link (SLK/SYLK)
- XLSB Short Records
- Number Formats
- SpreadsheetML2003
- LibreOffice Bugs
- Numbers 3+ (iWork 2013+)
- Formula Localization
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