There are a number of calls in zerver/views/auth.py to get_realm -- and most, but not all, catch the potential Realm.DoesNotExist exception that that raises. The ones that don't currently should catch the Realm.DoesNotExist and raise a JsonableError, to prevent 500's like this:

$ curl -sSX POST https://invalid.zuli

If we compile with #![deny(missing_docs)] in lib.rs, the compiler will warn us about any public functions and items without documention. I think it would be very useful to add this documentation, both for potential contributors and for our own understanding of the code. This might even be a good task for new contributors, because it doesnt require knowledge of the code (we can always answer ques

Is your feature request related to a problem? Please describe.

1. Deploy a configuration that has a locked MUC domain, e.g. muc.example.org
2. Click Add a new groupchat
3. Enter a room address like [email protected]
4. The @ gets escaped and Converse.js attempts to join room\[email protected]

Describe the solution you'd like

If the input ends with

I cannot reproduce this with the default usage of botui : the issue appears only when botui is part of a larger VueJS app.

When a markdown image is inserted in a message, it is immediately hidden if another message is displayed after.

botui.message.add({
	content: 'Hello World'
});
botui.message.add({
	content: 'Here is a picture : ![](https://www.google.fr/images/branding/g