Yes, it does. Everything works now. However, I've discovered yet another very minor glitch:
Open an annotated PDF via Xournal alternatives. Export it as PDF, then File -> Save, then exit Xournal. You should have your original PDF plus two new ones containing the annotations: a new PDF and a XOJ file.
If you go to 'Recently added' the PDF file is there but the XOJ won't show up. This is 'normal' because of the currently buggy auto-tagging. However, if you navigate the SD card to the right folder, you'll get the same result: the PDF file is shown, the XOJ isn't.
Of course, the XOJ file is actually there (generated by Xournal w/o problems), so ejecting and reinserting the card quickly fixes the listing, but it looks like Xournal notifies the CTB about the exported PDF but not about the XOJ file it generates...
The second glitch I've been wanting to tell you about this for ages and since you seem to be in the mood right now... could we get rid of the blank page that is compulsorily inserted at the beginning of every xournal file when importing annotated PDFs? It's the first thing I do with them every time and it's getting tiresome...
Other than that, thanks a million for the absolutely superb support
