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Dylan M. Taylorandkiwi4boy
c89520e586
* Add craft-sheet: the cell positions, values and tables the spreadsheet formats share craft-xls carried its own CellRef, Range, Value, CellError, Visibility, sheet-name quoting, built-in number format table and indexed palette. craft-xlsx and craft-ods need the same ones, so they move to a crate with no dependencies and craft-xls re-exports them: an application gets one Value and one CellRef whichever file it read. Added on the way: A1 parsing (CellRef::parse, Range::parse), Range::count and a1, CellError::parse and the newer error values SpreadsheetML stores as text, builtin_format_id for writers. * craft-xls: read data validation (DVal and Dv records) Each Dv after a DVal becomes a DataValidation in SpreadsheetML's terms: type, operator, formulas as A1 text from the top left cell of all the rule's ranges (a literal list quoted, items separated by commas), the four messages, alert style and flags. Exactly the DVal's count of rules is read, as Excel does; a rule Excel would refuse is skipped with a warning, and the rest are kept. A sheet keeps at most 65,536 rules (the count was not capped on its own). Ported from storytold/gridcraft#3636. --------- Co-authored-by: kiwi4boy <kiwi4boy@gmail.com>