[Issue 16112] Replace ddoc with markdown

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16112

--- Comment #4 from ZombineDev <petar.p.kirov at gmail.com> ---
(In reply to Jacob Carlborg from comment #3)
> 
> There are already a few features from Markdown implemented, like `` for
> inline code.

I think backticks are the only one (that's why I didn't mention it).

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