[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 #9 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/63644c09847007807087eeaad85cc9fddcc27c11
Merge pull request #4642 from 9rnsr/refactor_doc

Some preparation changes and refactoring for issue 13270

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