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-rw-r--r--include/stdc-predef.h13
1 files changed, 7 insertions, 6 deletions
diff --git a/include/stdc-predef.h b/include/stdc-predef.h
index a2e148cd2f..74ade90779 100644
--- a/include/stdc-predef.h
+++ b/include/stdc-predef.h
@@ -49,12 +49,13 @@
# define __STDC_IEC_559_COMPLEX__ 1
#endif
-/* 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
+/* wchar_t uses Unicode 10.0.0. Version 10.0 of the Unicode Standard is
+ synchronized with ISO/IEC 10646:2017, fifth edition, plus
+ the following additions from Amendment 1 to the fifth edition:
+ - 56 emoji characters
+ - 285 hentaigana
+ - 3 additional Zanabazar Square characters */
+#define __STDC_ISO_10646__ 201706L
/* We do not support C11 <threads.h>. */
#define __STDC_NO_THREADS__ 1