Hi,

Right now when you run org-bibtex with org-bibtex-tags-are-keywords set to true, only the tags assigned directly to the headline are converted. So for instance if run org bibtex on a file set up like this.

* Authority  :auth:

** Kant's Views on authority :Kant: 

:properties: 

(bibliography info here)

:end:

This behavior is controlled by the function org-bibtex-headline in org-bibtex.el. I can change the behavior on my machine by changing `org-get-local-tags-at' to `org-get-tags-at' in