Thanks. For the unit tests to work though, more work is needed than just copying them to the test directory. You need to: 1. Update `tests/ctags/Makefile.am` 2. Create empty `tests/ctags/<fname>.tags` where `<fname>` is the filename of each of the tests 3. Re-run `configure` 4. Run `make check` which will fail but which will create `<fname>.log` files inside the `tests/ctags` directory 5. Inside `tests/ctags` run `patch -p0 <fname>.log` for each of the files 6. Re-run `make check` to make sure all tests pass 7. Commit the `<fname>.tags` files and the `Makefile.am` change