Fix replies to messages with non-ASCII charactersv1.7.6

1 files changed, 6 insertions, 1 deletions

diff --git a/xmpp/handlers.go b/xmpp/handlers.go
index e85dfc9..36f9cf9 100644
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@@ -149,7 +149,12 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 							"end": body.End,
 						}).Warn(errors.Wrap(err, "Failed to parse fallback end!"))
 					}
-					text = text[:start] + text[end:]
+
+					fullRunes := []rune(text)
+					cutRunes := make([]rune, 0, len(text)-int(end-start))
+					cutRunes = append(cutRunes, fullRunes[:start]...)
+					cutRunes = append(cutRunes, fullRunes[end:]...)
+					text = string(cutRunes)
 				}
 			}
 			var replaceId int64