Some way to keep URL and DOI bibliography fields after all?

[John Ericson]

Summary

I am using this to make a PDF I don't intend to print, so it would be nice to render these fields after all.

(Even if I was printing an actual book, I suppose I would rather include QR codes than drop URLs entirely.)

Details

I see the unconditional \clearfield calls in kaobiblio.styas of2a82b3a`:

kaobook/kaobiblio.sty

Lines 69 to 70 in 2a82b3a

 \ifentrytype{online}{}{\ifentrytype{misc}{}{\clearfield{url}}} 
 \ifentrytype{book}{\clearfield{doi}}{} 

kaobook/kaobiblio.sty

Lines 415 to 420 in 2a82b3a

 {\clearfield{url}% 
 \clearfield{pages}% 
 \clearfield{pagetotal}% 
 \clearfield{edition}% 
 \clearfield{issn}% 
 \clearfield{doi}% 

Additional context

In my current build, it always puts the margin on the right side, which is good for a PDF --- no complaints about that. Maybe that same way of detecting "oh, not actually making a real book" can be used for this?

[Federico Marotta]

We can add an option for this. The way to detect that we are making a real book, I guess, is the twoside class option, but I'd keep it separate from the option to show urls and dois. Somebody might want a twoside pdf with urls, for instance.