[Python-Dev] readd u'' literal support in 3.3?

["Martin v. Löwis"]

> When running 2to3 from a setup.py script, does it run on the whole
> codebase or only files that are found newer by the make-like
> timestamp-based dependency system? 

If you run "build" repeatedly (e.g. in a development cycle), then
it will process only the modified files (comparing time stamps
between the build/ area and the original source).

Regards,
Martin