Regular Templates May Be `mixin`d?

[surlymoor]

On Sunday, 3 October 2021 at 03:04:29 UTC, Paul Backus wrote:
> On Sunday, 3 October 2021 at 02:52:20 UTC, surlymoor wrote:
>> This compiles and works. I checked the spec, and I don't see 
>> anything; probably missed it, however; mentioning the fact 
>> that regular templates may be used with `mixin`. Is this 
>> expected?
>
> Yes, this is intentional and expected. From the spec:
>
>> A TemplateMixin takes an arbitrary set of declarations from 
>> the body of a TemplateDeclaration and inserts them into the 
>> current context.
>
> Source: https://dlang.org/spec/template-mixin.html
>
> Notice that it is specified to work with any template 
> declaration, not just one declared as a `mixin template`.

Lord, I'm careless. Thanks.
So the difference between a `mixin template` and a regular one is 
that the former may only be used with a `mixin` statement?