···511511particular, you need to repeat the dune build every time you change the interface
512512of some compilation unit, so that merlin is aware of the new interface.
513513514514-You only need to run `configure` once, but you will need to run `make
515515-clean-for-dune` every time you want to run `dune` after you built
514514+You only need to run `configure` once, but you will need to run
515515+`make clean-for-dune` every time you want to run `dune` after you built
516516something with `make`; otherwise dune will complain that build
517517artefacts are present among the sources. (Not all build artifacts need
518518to be removed, `clean-for-dune` removes less than `clean` or