> Based on that I checked this original patch in (Thanks Jan!).
> And I made it a bit more robust in finding the correct file name.
> If someone can figure out a way to use ffap that is at least as
> reliable, then we can replace the current code.

Based on what you wrote and Imenu I added support to find the "tag"
within the file with C-c C-t.  Rudimentary and largely untested!
If anyone is interested I can refine that though.