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-rw-r--r--include/stdc-predef.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/stdc-predef.h b/include/stdc-predef.h
index f18b626..a2e148c 100644
--- a/include/stdc-predef.h
+++ b/include/stdc-predef.h
@@ -49,10 +49,12 @@
# define __STDC_IEC_559_COMPLEX__ 1
#endif
-/* wchar_t uses Unicode 8.0.0. Version 8.0 of the Unicode Standard is
- synchronized with ISO/IEC 10646:2014, plus Amendment 1 (published
- 2015-05-15). */
-#define __STDC_ISO_10646__ 201505L
+/* wchar_t uses Unicode 9.0.0. Version 9.0 of the Unicode Standard is
+ synchronized with ISO/IEC 10646:2014, fourth edition, plus
+ Amd. 1 and Amd. 2 and 273 characters from forthcoming 10646, fifth edition.
+ (Amd. 2 was published 2016-05-01,
+ see https://www.iso.org/obp/ui/#iso:std:iso-iec:10646:ed-4:v1:amd:2:v1:en) */
+#define __STDC_ISO_10646__ 201605L
/* We do not support C11 <threads.h>. */
#define __STDC_NO_THREADS__ 1