Add Zulip experiment note

diff --git a/blueprint/instant-messaging.md b/blueprint/instant-messaging.md
index a8f303fbfbf0d70ccdcdb62c080936874f3864b3..a82e861c00d7c3d716586cfdb55b03bac044df9e 100644 (file)
--- a/blueprint/instant-messaging.md
+++ b/blueprint/instant-messaging.md
@@ -5,3 +5,9 @@
 Ergo installs OK, but because websockets are not configured, I was only able to get TheLounge to connect without much additional configuration.
 
 Even then, the out of the box experience is not awesome.
+
+## Zulip
+
+(Testing without YunoHost, although there is a [WIP package that is not on the catalog yet](https://github.com/YunoHost-Apps/zulip_ynh).)
+
+* Installation fails if you use a Unicode domain, you must use punycode for the domain name.