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-rw-r--r--utf8proc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/utf8proc.h b/utf8proc.h
index ae7074a..82002e3 100644
--- a/utf8proc.h
+++ b/utf8proc.h
@@ -398,7 +398,8 @@ DLLEXPORT int utf8proc_category(int32_t c);
UTF8PROC_CATEGORY_* constants.) */
DLLEXPORT const char *utf8proc_category_string(int32_t c);
-/* Return the two-letter Unicode category string for c (e.g. "Lu" or "Co"). */
+/* Return the two-letter (nul-terminated) Unicode category string for
+ c (e.g. "Lu" or "Co"). */
DLLEXPORT ssize_t utf8proc_map(
const uint8_t *str, ssize_t strlen, uint8_t **dstptr, int options