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PR libstdc++/79243 * include/bits/c++config (literals::string_view_literals::__7): Add. Only declare versioned namespaces for the relevant C++ dialects. * include/experimental/bits/erase_if.h (fundamentals_v2::__detail): Add versioning macros. * include/experimental/bits/lfts_config.h: (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add. * include/experimental/string_view (fundamentals_v2::__detail): Add versioning macros. (fundamentals_v2::__detail::__identity): Remove. (fundamentals_v2::__detail::__idt): Use common_type instead of __detail::__identity. * include/std/string_view (__detail::__identity, __detail::__idt): Likewise. (literals::string_view_literals): Fix nesting of versioning macros. From-SVN: r244945
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.