1 files changed, 5 insertions, 0 deletions
diff --git a/utf8.h b/utf8.h
index b35cfebb5e..d907d26b20 100644
--- a/utf8.h
+++ b/utf8.h
@@ -188,3 +188,8 @@ END_EXTERN_C
 #endif
 
 #define UTF8_IS_ASCII(c) UTF8_IS_INVARIANT(c)
+
+#define UNICODE_GREEK_CAPITAL_LETTER_SIGMA	0x03A3
+#define UNICODE_GREEK_SMALL_LETTER_FINAL_SIGMA	0x03C2
+#define UNICODE_GREEK_SMALL_LETTER_SIGMA	0x03C3
+