No longer mark Windows Unicode runtime as experimental

Changes

@@ -81,6 +81,10 @@ Working version
   (Xavier Leroy, reports by Tomasz Kłoczko and R.W.M. Jones, review by Anil
    Madhavapeddy, Stephen Dolan, and Florian Angeletti)
 
+- #10318: Windows Unicode runtime functions are no longer marked as
+  experimental.
+  (Nicolás Ojeda Bär, review by David Allsopp)
+
 ### Code generation and optimizations:
 
 - #9876: do not cache the young_limit GC variable in a processor register.

manual/src/cmds/intf-c.etex

@@ -2539,10 +2539,6 @@ use the OCaml run-time system, typically a blocking input/output operation.
 This section contains some general guidelines for writing C stubs that use
 Windows Unicode APIs.
 
-{\bf Note:} This is an experimental feature of OCaml: the set of APIs below, as
-well as their exact semantics are not final and subject to change in future
-releases.
-
 The OCaml system under Windows can be configured at build time in one of two
 modes:
 
@@ -2645,9 +2641,7 @@ of the function to bind:
 The rest of the binding is the same for both platforms:
 
 \begin{verbatim}
-/* The following define is necessary because the API is experimental */
 #define CAML_NAME_SPACE
-#define CAML_INTERNALS
 
 #include <caml/mlvalues.h>
 #include <caml/misc.h>

runtime/caml/osdeps.h

@@ -127,6 +127,16 @@ CAMLextern int win_wide_char_to_multi_byte(const wchar_t* s,
                                        char *out,
                                        int outlen);
 
+CAMLextern int caml_win32_isatty(int fd);
+
+CAMLextern void caml_expand_command_line (int *, wchar_t ***);
+
+#endif /* _WIN32 */
+
+#endif /* CAML_INTERNALS */
+
+#ifdef _WIN32
+
 /* [caml_stat_strdup_to_utf16(s)] returns a NULL-terminated copy of [s],
    re-encoded in UTF-16.  The encoding of [s] is assumed to be UTF-8 if
    [caml_windows_unicode_runtime_enabled] is non-zero **and** [s] is valid
@@ -152,12 +162,6 @@ CAMLextern char* caml_stat_strdup_of_utf16(const wchar_t *s);
 */
 CAMLextern value caml_copy_string_of_utf16(const wchar_t *s);
 
-CAMLextern int caml_win32_isatty(int fd);
-
-CAMLextern void caml_expand_command_line (int *, wchar_t ***);
-
 #endif /* _WIN32 */
 
-#endif /* CAML_INTERNALS */
-
 #endif /* CAML_OSDEPS_H */