Yep, see my blog post, it was talking about those very keys. :-) MSKLC 1.3 stripped them, which was breaking some apps like HyperTerminal. So, with blessing from test we snuck in the feature to not break them.
Michael > Thanks for your replies. > I'm developing a keyboard layout based on US (Custom) which has 001B, > 001D, 001C, 0020 defined for the Ctrl shift state. I donât know should I > leave them or not. The MKLC help recommends to avoid defining characters > for both the Ctrl and Ctrl+Shift shift states, but also says: âYou may > notice specific keys in the Ctrl shift state are assigned when you load an > existing keyboard layout. These key assignments are used in certain legacy > applications like Microsoft HyperTerminal and should usually not be > removed.â > >

