[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 #3 from hsteoh at quickfur.ath.cx ---
I did that based on your comment on 11833 that it should be marked as duplicate
of whatever bug that addresses the compiler deficiency, rather than just the
symptom of ddoc warnings showing up for std/process.d.

But if you think it should have been done the other way round, please go ahead
and update the bugs.

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