qrencode: qrencode 4.0.2 (QR Code encoder)  
qrencode:  
qrencode: Libqrencode is a fast and compact library for encoding data
qrencode: ​in a QR Code symbol, a 2D symbology that can be scanned by handy
qrencode: terminals such as a mobile phone with CCD. The capacity of QR Code
qrencode: is up to 7000 digits or 4000 characters and has high robustness.
qrencode: 
qrencode: https://fukuchi.org/works/qrencode/
qrencode: 
qrencode: 
qrencode: 

