I believe that's not a typo but actually how you declare and use the variables in the go language.

If I am understanding this right, you are referring to the following piece of code on the page:

var message string
message = fmt.Sprintf("Hi, %v. Welcome!", name

This is another way of declaring variables and using them without using the ":=" operator. Also, it is mentioned that this is a long way of doing it just before the code block

If I am understanding this right, you are referring to the following piece of code on the page:

Yes.
Under "5. Paste the following code into your greetings.go file and save the file. " they use the declaration with a colon ":=" but later it is used without colon.
I don't understand the difference.

[Please someone confirm if that's right]
If I first declare a variable as "existant", then I dont use the colon. I may "fill" it later or leave it empty.
If I want to declare and "fill" the variable at the same time, I need to use the colon ":" just before the equal sign ":="

The tutorial is correct.

Unlike many projects, the Go project does not use GitHub Issues for general discussion or asking questions. GitHub Issues are used for tracking bugs and proposals only.

For questions please refer to https://github.com/golang/go/wiki/Questions

The tutorial is correct.

If you can't explain an answer you admit that you don't understand the topic or didn't read the question.
It is natural to explain an answer reasonably before blocking a legitimate request.
As long as this is not given, it may still be an error and my request is correct.

@differentstuff I'm sorry you feel disappointed. We've learned over the years that the GitHub issue tracker is a poor place for answering questions. The Go project has several active forums with more people who will respond faster and more interactively. So we direct people with questions to those forums, rather than the issue tracker. See https://go.dev/wiki/Questions. This has been a clearly better experience for most Go users. I'm sorry it doesn't feel that way in this instance.

In Go a := is used to declare and initialize a variable. A = is used to assign to an existing variable that is already declared, either through an earlier := or a var, or a function parameter.

In Go...

Thank you for the explanation. That confirms my question.

We've learned over the years...

I totally understand the decission. I don't criticize this part.
There's nothing wrong closing a request that's not correct; as I learned mine is.
Whereas it should be normal to explain "why". Or where the mistake was.
Just saying "you're wrong" doesn't help. "You're wrong, because you misunderstood something. The tutorial is correct." would at least give a hint why. (Even a simple "Yes" would have at least confirmed my doubts.)