Hi,
I've a few days ago that the tag generation crashes with Geany SVN. I just searched a little and figured out it is because documents_array isn't properly initialized when generating tags. Then as usual, there's a little patch!
Note that I added calls to finalize the initialized modules (filetypes and document), not sure why there wasn't there already -- even though the system would do that cleanup itself on exit but still.
Regards, Colomban