[Issue 13539] Disallow optional template parameters with C-style syntax

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13539

--- Comment #1 from Kenji Hara <k.hara.pg at gmail.com> ---
(In reply to Kenji Hara from comment #0)
> https://github.com/D-Programming-Language/dmd/pull/2368

Sorry it was incorrect PR url. Correct link is:
https://github.com/D-Programming-Language/dmd/pull/2467

--