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Barby 0.3.1: PDF-417
Just released Barby 0.3.1 which has support for PDF-417 barcodes, added by Aslak Hellesøy. You can update through RubyGems as usual:
sudo gem install barby
Note that the PDF-417 support depends on the Java version of pdf417lib, which means Barby can only generate these when run with JRuby.
