Text edit in "Dates as Data"

[sovieadi]

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In the "Dates as Data" episode there is an unnecessary repetition of "DATE functions" in the 2nd paragraph. Currently it reads: "In particular, please remember that DATE functions that are valid for a given spreadsheet program (be it LibreOffice Calc, Microsoft Excel, OpenOffice, Gnumeric, etc.) DATE functions are usually guaranteed to be..."

[hoytpr]

Thank you for your contribution @sovieadi it's fixed and we really appreciate you noticing that typo.