After initial setting up emacs with AuCTeX and RefTeX everything worked fine.
may not be the problem, see edit below
Now, for a porject I tried setting up RefTeX to work with markdown-mode with this ...
I started using citar to manage my references.
Set up bibtex-library, folder for pdf's as well as notes.
Everything seems to work fine.
In the documentation of citar is says that the UI will show tags/...
When I click on a citation like this:
I get to choose from a list of citation actions which include adding notes.
When I follow the link below, it only brings up a ...
During research, I often cite a passage from some website, a local document or org file. For context and later use, I always add the source reference after the block:
* Public transport