[Issue 13270] ddoc can't find parameters of ditto'd function overloads

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13270

--- Comment #4 from Vladimir Panteleev <thecybershadow at gmail.com> ---
Right, thanks. At the time of writing I thought this compiler bug had been
filed already.

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