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78782dcd53
A std::map is in an invalid state when just zero-initialized, and needs to be initialized by its constructor. As this initilization may be done after the first call to Register, a crash will typically happen. To fix this wrap all accesses to the map with a Meyers Singleton. Also remove the extra Array - most accesses are using the key, and the few format list iterations all sort the result afterwards anyway. Fixes #201.