Roxygen won't write .Rd file unless I change .R file name

[jdprimus]

I can't really provide a reproducible example for this, but it's simple enough to describe

I have a function called write_docs.R. I am trying to deprecate this function and update the documentation to reflect. I know how to do this. For some reason, this documentation won't write. I tried deleting the .Rd file--still doesn't write the .Rd.

However, I have discovered that if I change the NAME of the .R file (not the content in any way) to write_doc.R--it works perfectly. If I change the filename back to write_docs.R it deletes the .Rd file and removes it from my <package>-deprecated .Rd.

There must be some sort of hidden file or artifact that won't allow me to write the .Rd file that was previously generated by write_docs.R. I can delete the whole /man directory, and it still won't write it. I have been playing around with the internal roxygen2 functions, but I can't find where this hidden file or artifact would be referenced. I think this is a bug. I can of course, keep the name write_doc.R, but I prefer to have my filenames match my function names. Can someone tell me where to look, what to delete such that I can generate docs for the appropriately named file?

Running roxygen2 version 7.2.3. Thanks!