http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54582
--- Comment #16 from David Binderman <dcb314 at hotmail dot com> --- Created attachment 30287 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30287&action=edit C++ source code Latest version understands NUM1.NUM2, 53 formatting specifiers and a bunch of prefixes like %# It seems to work well over the source code of Fedora Linux.