Merge 2022-07 LWG Motion 32

P2502R2 std::generator: Synchronous Coroutine Generator for Ranges

Author: tkoeppe

source/lib-intro.tex

@@ -1087,6 +1087,7 @@
 \tcode{<fstream>} \\
 \tcode{<functional>} \\
 \tcode{<future>} \\
+\tcode{<generator>} \\
 \tcode{<initializer_list>} \\
 \tcode{<iomanip>} \\
 \tcode{<ios>} \\