Feature Request on C++ Docset: Standard Version Selection

[Mick235711]

Recently, cppreference added a dropdown to select the standard version (C++03, 11, etc.) at the top bar. For example, this is the regular std::vector constructor page:

Choosing a version in the dropdown allow you to avoid all those "since C++XX" clutter, and only display the overload set that is present in the specified version of C++ standard:

Is it possible to include this functionality in the Dash version of the C++ docset? Thanks a lot in advance!