Dear List
After compiling 
\usemodule[m-zint]
\starttext
\barcode[alternative=isbnx, text=9783865419026, width=4cm] \blank[big] \barcode[alternative=qrcode, text={wie weet waar willem wever woont}, width=3cm] \stoptext

I got , what you see in the pdf. 

Many Thanks
Uschi 

-----Ursprüngliche Nachricht-----
Von: vm via ntg-context <ntg-context@ntg.nl> 
Gesendet: Montag, 18. Dezember 2023 16:15
An: ntg-context@ntg.nl
Cc: vm <vm@klankschap.nl>
Betreff: [NTG-context] Re: QR Code



On 18/12/2023 15:13, Ursula Hermann wrote:
>> Dear  List
>>
>> I was interested how it works.
>>
>> So I started this example.
>>
>> \starttext
>>
>> \usemodule[m-zint]
>>
>> \barcode[alternative=isbnx, text=9783865419026, width=4cm]
>>
>> \barcode[alternative=qrcode, text={https://wiki.contextgarden.net},
>> width=3cm]
>>
>> \stoptext
>>
>> Is that the right way?
> just \usemodule[zint]


For what it is worth, the [zint] variant does not work on my linux platform, the [m-zint] does work correctly.

\usemodule[m-zint]
\starttext
\barcode[alternative=isbnx, text=9783865419026, width=4cm] \blank[big] \barcode[alternative=qrcode, text={wie weet waar willem wever woont}, width=3cm] \stoptext


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