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* include/bits/regex.h (basic_regex): Add deduction guide from P0433. * testsuite/28_regex/basic_regex/ctors/deduction.cc: New. From-SVN: r248990
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.