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Marco Arnulfo
930fa1cada
Excel uses the cached cell values of a saved file only when workbook.xml has both <fileVersion> and the calcFeatures extension; without them it recalculates everything on open, and lookups into closed workbooks come back as #CALC!. Both are now read into the workbook's kept content and written back in schema order: fileVersion first, the calcFeatures ext in <extLst> last. A workbook that had neither gets neither.