Constructor for std::filesystem::path is shown as std::filesystem::path::path

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Steps to reproduce

1. Use cppreference.com as the source (cppman -s cppreference.com)
2. Run cppman with a class of something under two namespaces (such as std::filesystem::path or std::chrono::duration)

Expected behavior

The constructor or destructor for, say, std::filesystem::path to be displayed as std::filesystem::path::[~]path

Actual behavior

The constructor or destructor is shown as std::filesystem::path::[~]filesystem::path