id summary reporter owner description type status milestone component version severity resolution keywords cc 5474 filesystem::is_directory throws an excetion when the volume does not exist Bela Babik Beman Dawes "Windows specific problem: ""bool not_found_error(int errval)"" in libs/filesystem/v3/src/operations.cpp does not include the ERROR_UNRECOGNIZED_VOLUME code." Bugs closed To Be Determined filesystem Boost Development Trunk Problem wontfix