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 Function   [other Function type actions]

 Item   [operators of similar scope]

 Data manipulation   [other Data manipulation operators]




takes an ISBN-10 format code as the data input and returns is in ISBN-13 format. Any dashes or other punctuation will be ignored. If the argument is not a valid ISBN code, the function returns an empty string.

A Tinderbox Reference File : Actions & Rules : Operators : Full Operator List : isbn13(data)