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bwipp / postscriptbarcode

Barcode Writer in Pure PostScript
https://bwipp.terryburton.co.uk
MIT License
462 stars 64 forks source link

code39(/code39ext): Check for empty data (#17) #230

Closed gitlost closed 1 year ago

gitlost commented 1 year ago

For code39 (and code39ext), add check that data isn't empty (avoids PS fail when validatecheck given) (https://github.com/bwipp/postscriptbarcode/issues/17).