Document that file should be in wide-oriented mode for wide print

doc/api.rst

@@ -49,6 +49,9 @@ arguments in the resulting string.
 .. doxygenfunction:: print(std::FILE *, string_view, const Args&...)
 .. doxygenfunction:: vprint(std::FILE *, string_view, format_args)
 
+.. doxygenfunction:: print(std::FILE *, wstring_view, const Args&...)
+.. doxygenfunction:: vprint(std::FILE *, wstring_view, wformat_args)
+
 Named arguments
 ---------------
 

include/fmt/core.h

@@ -1285,6 +1285,10 @@ inline void print(std::FILE *f, string_view format_str, const Args & ... args) {
   format_arg_store<format_context, Args...> as(args...);
   vprint(f, format_str, as);
 }
+/**
+  Prints formatted data to the file *f* which should be in wide-oriented mode set
+  via ``fwide(f, 1)`` or ``_setmode(_fileno(f), _O_U8TEXT)`` on Windows.
+ */
 template <typename... Args>
 inline void print(std::FILE *f, wstring_view format_str, const Args & ... args) {
   format_arg_store<wformat_context, Args...> as(args...);