code2of5(/industrial/iata/matrix/coop/datalogic): Check for empty data (#17)

bwipp / postscriptbarcode

Barcode Writer in Pure PostScript

https://bwipp.terryburton.co.uk

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code2of5(/industrial/iata/matrix/coop/datalogic): Check for empty data (#17) #231

Closed gitlost closed 1 year ago

gitlost commented 1 year ago

For code2of5 (and industrial2of5, iata2of5, matrix2of5, coop2of5, datalogic2of5), add check that data isn't empty (avoids PS fail when validatecheck given) (https://github.com/bwipp/postscriptbarcode/issues/17).