On Tue, 27 May 2025 at 13:48, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > > > > On Tue, 27 May 2025, 12:44 17185349200, <17185349200@xxxxxxx> wrote: >> >> >> g++16 still does not support the use of non-ASCII characters in module-name, such as: ‘export module 汉字’ Is this how the module standard is defined, > > > The standard says that module names should follow the same rules as identifiers (or a sequence of identifiers joined by dots). > > So if 汉字 is valid as a function name then it should be valid as a module name. I've reported this as https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120458