[texworks] [XeTeX] Alternative location for output PDF files (and, ideally, all non-source files)

[Philip Taylor]

Herbert Schulz wrote:

> You can temporarily set DropBox to Pause Syncing and then restart it after you're done.

That was exactly what I was doing, Herb, but I deemed it too risky; I 
want all changes to the source backed up in real time.

** Phil.