可以发送空聊天消息

[sam (Sam Saffron)]

确实……这是一个疏忽，看起来确实很奇怪……我们应该在服务器端和客户端都禁止“空白”。

空白是一种棘手的动物。

Adding text between <> characters renders an empty post. (Example in this post)

When we have seen the same issue, we simply fence them with MD. <here is the good stuff> <here is the sweet stuff> ```<here is the good stuff>``` `<here is the sweet stuff>`

Khmer Unicode Zero Width Space disappears after posting

Hi there, I just installed discourse and found out that it didn’t support Zero Width Space at all. It is Khmer Unicode special character that represents a hidden space to separate each word. you can take a look here http://www.askcambodia.org/t/angelababy/21

lib/text_cleaner.rb

建议我们也在这里使用我们的文本清理器（text cleaner）在服务器端进行处理，以确保用户不会作弊。