Document the deprecation of BOOST_RATIO_EXTENSIONS

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Peter Dimov 2023-05-13 17:32:26 +03:00
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@ -678,6 +678,9 @@ Finally, we can exercise what we've created, even using custom time durations (`
When __BOOST_RATIO_EXTENSIONS is defined, __Boost_Ratio provides in addition some extension to the C++ standard, see below.
[note Support for `BOOST_RATIO_EXTENSIONS` is deprecated and will eventually be removed when Boost.Ratio is
implemented in terms of the standard C++11 `<ratio>` header.]
[endsect]
[section:deprecated Deprecated]