It’s specially valuable for outlined structures or properties in conservation parts in which window alternative isn’t permitted. Jerry CoffinJerry Coffin 493k8383 gold badges652652 silver badges1.1k1.1k bronze badges seven twelve Note that g++ rejects %lf when compiling with -Wall -Werror -pedantic: error: ISO C++ would not guidance the ‘%lf’ gnu_printf format https://richardv357uwx1.azuria-wiki.com/user