fix #487

irc/client.go

 
 func (client *Client) replayPrivmsgHistory(rb *ResponseBuffer, items []history.Item, complete bool) {
 	var batchID string
-	nick := client.Nick()
+	details := client.Details()
+	nick := details.nick
 	if 0 < len(items) {
 		batchID = rb.StartNestedHistoryBatch(nick)
 	}
 		if allowTags {
 			tags = item.Tags
 		}
-		rb.AddSplitMessageFromClient(item.Nick, item.AccountName, tags, command, nick, item.Message)
+		if item.Params[0] == "" {
+			// this message was sent *to* the client from another nick
+			rb.AddSplitMessageFromClient(item.Nick, item.AccountName, tags, command, nick, item.Message)
+		} else {
+			// this message was sent *from* the client to another nick; the target is item.Params[0]
+			// substitute the client's current nickmask in case they changed nick
+			rb.AddSplitMessageFromClient(details.nickMask, item.AccountName, tags, command, item.Params[0], item.Message)
+		}
 	}
 
 	rb.EndNestedBatch(batchID)

irc/handlers.go

 				rb.Add(nil, server.name, RPL_AWAY, cnick, tnick, user.AwayMessage())
 			}
 
-			user.history.Add(history.Item{
+			item := history.Item{
 				Type:        histType,
 				Message:     splitMsg,
 				Nick:        nickMaskString,
 				AccountName: accountName,
-			})
+			}
+			// add to the target's history:
+			user.history.Add(item)
+			// add this to the client's history as well, recording the target:
+			item.Params[0] = tnick
+			client.history.Add(item)
 		}
 	}
 	return false