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This came up in a discussion on a C++ question on SO.
Currently, We have two different tags c++ and c++11. AFAIK the C++11 tag was in place before C++11 became officially ratified C++ standard by the ISO committee to ask questions specific to the standard in making. This was because it was a standard in making and didn't qualify as real C++. In present day the situation has changed, C++11 standard is the officially ratified standard and the presence of two tags poses ambiguity about how to answer questions since a lot has changed between the previous C++03 Standard and C++11 standard. Answers to questions may vary depending drastically on whether the OP is using a C++03 compliant compiler or an C++11 compliant compiler.
Given the ambiguity, either: