check usability of "tracer" code
I made a decent number of portability changes to (Coda's) "tracer" code in commit 4af23add -- Coda, please check that that the new code works properly for your use cases.
I made a decent number of portability changes to (Coda's) "tracer" code in commit 4af23add -- Coda, please check that that the new code works properly for your use cases.