The "standard ones" in my book are cmd-ZXCV (undo, cut, copy, paste) plus cmd-SNOW (save, new, open, close). They are really, really universal in all Mac programs, and on Windows the ctrl-ZXCV keys are a straight copy of that. (Yes, it is the Mac's fault that Windows has too many different systems.)
On Linux, however, ctrl-C is by tradition "break" so Linux is in considerable conflict between "copy" and "break". I know some significant programs where it gets pretty bad (Terminal in particular).
Anyway, I didn't intend to prove any platform better than another, the point was that with only cross-compilation, it isn't a full cross-platform solution yet. But it is certainly better than without the cross-compilation option.
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