Ihor Radchenko <yantar92@posteo.net> writes:

> What will happen with users who customized `org-babel-clojure-backend'
> to 'nbb in the past?

They would have gotten an error.
I changed it now that 'nbb backend is still allowed in a clojure
source block but it will internally treated as ClojureScript.

>> +(defcustom org-babel-clojurescript-backend
>> +  (cond
>> +   ((or (executable-find "nbb") (executable-find "npx")) 'nbb)
>> +   ((featurep 'cider) 'cider)
>> +   (t nil))
>> +  "Backend used to evaluate Clojure code blocks."
>
> This docstring is exactly the same with `org-babel-clojure-backend'.
> What is the difference?
> I think ""Backend used to evaluate ClojureScript code blocks." will be
> more clear. I feel that other docstrings may also need to be clarified
> depending whether they affect Clojure or ClojureScript blocks.

I changed the docstrings to always mention either Clojure or ClojureScript.
I'm open for more improvements/suggestions.

Attached a new patch.

Thanks,
  Daniel