Philippe Verdy asked: > What is, in Unicode the BiDi behavior of PUAs?
They default to bd=L. From DerivedBidiClass-4.0.1.txt: E000..F8FF ; L # Co [6400] <private-use-E000>..<private-use-F8FF> Of course an application can do whatever it wants with the properties of private use characters, but if you are dependent on someone else's implementation of the bidirectional algorithm (as will be the case for most people building applications on Windows), then you define right-to-left private use characters at your own risk and probably (as you have found out) to your own great frustration. --Ken
