It is now supported by the MATLAB editor (as of R2022a).
The old ASCII notation is left in some files that we copy as-is from other
sources (e.g. in the contrib/ and m4/ subdirectories).
The particles submodule is not updated at this point, because it is in an
inconsistent state.
[skip ci]
This directory is cluttered with so many files that it creates problem (e.g.
dynare-command-options/ramst.mod was broken under Octave because of this).
Move files that have to be found through the path in a utils/ subdirectory.