syntax="proto2"; // Unicode comment эмйÅÄÖ message WorkingMessage { required int32 b = 1; required int32 Z = 2; repeated int32 x = 3; } message FailingMessageBecauseMembersAreMacroParameter { required int32 a = 1; required int32 X = 2; } message TestMacroParametersAndUnderscores { required int32 a = 1; required int32 a_ = 2; required int32 X = 3; required int32 X_ = 4; required int32 X__ = 5; required int32 X___ = 6; required int32 X____ = 7; }