Debugging an app bundle on MacOSX

[Henrik Brautaset Aronsen]

Dirk Hohndel wrote:
> So you are getting a valid file descriptor, you are writing to that file
> yet nothing gets written? That's nuts.

Nuts indeed.  Somehow I had a Subsurface.app at / in addition to 
/Applications.  And that one was preferred by "open -a Subsurface".  
Argh.  That's a couple of hours of my hours I'll never get back.  Sorry 
for bothering you guys.

Henrik