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List what file(s) an identifier was declared in?

I'm using Doxygen to help me figure out some library code. There's an `enum` I know I need to use, but I don't know which file it's declared in.

Searching for that identifier in Doxygen yields the page for the whole namespace in which it is declared. If I click on it in the summary at the top of the page, to go to the detailed info, I get only the signature and table of what's in the `enum`.

![Doxygen entry for an enum](https://software.codidact.com/uploads/U7bCcHtLocMNWqBx2pdREANF)

Is there any way to make it also show which file(s) the `enum` was declared in?

For classes that have their own page, there is indeed text at the bottom saying "The documentation for this class was generated from the following files:" and then a list of the relevant files, and that's very useful. `enum`s and the like do not get their own page, however.

In this case I'll probably end up just using a tool like `grep` to find it, but if anyone knows a way to get this info to show up in the Doxygen output that would be super helpful.