From aeaea0574f491e61d90b2ce318c1ac26ddba2be1 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 17 Feb 2019 21:48:32 +0100
Subject: Detect html nicks in RemoteNickFormat (matrix). Fixes #696 (#719)

---
 bridge/matrix/matrix.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/bridge/matrix/matrix.go b/bridge/matrix/matrix.go
index e26cf238..f76c4ab8 100644
--- a/bridge/matrix/matrix.go
+++ b/bridge/matrix/matrix.go
@@ -20,11 +20,13 @@ type Bmatrix struct {
 	UserID  string
 	RoomMap map[string]string
 	sync.RWMutex
+	htmlTag *regexp.Regexp
 	*bridge.Config
 }
 
 func New(cfg *bridge.Config) bridge.Bridger {
 	b := &Bmatrix{Config: cfg}
+	b.htmlTag = regexp.MustCompile("</.*?>")
 	b.RoomMap = make(map[string]string)
 	return b
 }
@@ -122,8 +124,13 @@ func (b *Bmatrix) Send(msg config.Message) (string, error) {
 		return resp.EventID, err
 	}
 
+	username := html.EscapeString(msg.Username)
+	// check if we have a </tag>. if we have, we don't escape HTML. #696
+	if b.htmlTag.MatchString(msg.Username) {
+		username = msg.Username
+	}
 	// Post normal message with HTML support (eg riot.im)
-	resp, err := b.mc.SendHTML(channel, msg.Username+msg.Text, html.EscapeString(msg.Username)+helper.ParseMarkdown(msg.Text))
+	resp, err := b.mc.SendHTML(channel, msg.Username+msg.Text, username+helper.ParseMarkdown(msg.Text))
 	if err != nil {
 		return "", err
 	}
-- 
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