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# Colon prefixing

In some commands (like PRIVMSG, TOPIC, USER, NOTICE, etc), the client needs to add a colon before the content (NOT after the command)

❌ Your client shouldn't do this:
```
↗️ PRIVMSG foo this is a very cool message
🔀 nick!ident@host PRIVMSG foo :this
```
✅ Here's what it should do:
```
↗️ PRIVMSG foo :this is a very cool message
🔀 nick!ident@host PRIVMSG foo :this is a very cool message
```