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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 f5cc1e1..d12b721 100644
--- a/utf8proc.h
+++ b/utf8proc.h
@@ -595,7 +595,8 @@ UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_reencode(utf8proc_int32_t *buffer,
* matching the rules in Unicode 8.0.0.
*
* @warning If the state parameter is used, `utf8proc_grapheme_break_stateful` must
- * be called IN ORDER on ALL potential breaks in a string.
+ * be called IN ORDER on ALL potential breaks in a string. However, it
+ * is safe to reset the state to zero after a grapheme break.
*/
UTF8PROC_DLLEXPORT utf8proc_bool utf8proc_grapheme_break_stateful(
utf8proc_int32_t codepoint1, utf8proc_int32_t codepoint2, utf8proc_int32_t *state);