Prevent messages to a certain resource from being carbon-copied

Makefile

@@ -2,7 +2,7 @@
 
 COMMIT := $(shell git rev-parse --short HEAD)
 TD_COMMIT := "8517026415e75a8eec567774072cbbbbb52376c1"
-VERSION := "v1.7.1"
+VERSION := "v1.7.2"
 MAKEOPTS := "-j4"
 
 all:

telegabber.go

@@ -15,7 +15,7 @@ import (
 	goxmpp "gosrc.io/xmpp"
 )
 
-var version string = "1.7.1"
+var version string = "1.7.2"
 var commit string
 
 var sm *goxmpp.StreamManager

xmpp/gateway/gateway.go

@@ -119,6 +119,9 @@ func sendMessageWrapper(to string, from string, body string, id string, componen
 			message.Extensions = append(message.Extensions, extensions.NewReplyFallback(reply.Start, reply.End))
 		}
 	}
+	if !isCarbon && toJid.Resource != "" {
+		message.Extensions = append(message.Extensions, stanza.HintNoCopy{})
+	}
 
 	if isCarbon {
 		carbonMessage := extensions.ClientMessage{