On Wednesday, 29 Nov 2017 at 00:00, Nicolas Goaziou wrote:
> I have made `org-babel-src-block-names' more neutral, since it is not
> interactive. Thank you.

And this seems to have done the job very nicely!  Thank you.

-- 
Eric S Fraga via Emacs 27.0.50, Org release_9.1.3-206-g1bb9cf