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-rw-r--r--src/include/common/unicode_norm.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/common/unicode_norm.h b/src/include/common/unicode_norm.h
index 9a5e250bcf7..731e05bf7dd 100644
--- a/src/include/common/unicode_norm.h
+++ b/src/include/common/unicode_norm.h
@@ -24,6 +24,16 @@ typedef enum
UNICODE_NFKD = 3,
} UnicodeNormalizationForm;
+/* see UAX #15 */
+typedef enum
+{
+ UNICODE_NORM_QC_NO = 0,
+ UNICODE_NORM_QC_YES = 1,
+ UNICODE_NORM_QC_MAYBE = -1,
+} UnicodeNormalizationQC;
+
extern pg_wchar *unicode_normalize(UnicodeNormalizationForm form, const pg_wchar *input);
+extern UnicodeNormalizationQC unicode_is_normalized_quickcheck(UnicodeNormalizationForm form, const pg_wchar *input);
+
#endif /* UNICODE_NORM_H */