- `rethrow (ERR)`

Reissue a previous error described by the error structure `ERR`.

This is typically used in a `catch` block after inspecting or modifying the
error information.

See also: `error`, `lasterror`.

### References

- https://www.mathworks.com/help/matlab/ref/rethrow.html
- https://octave.sourceforge.io/octave/function/rethrow.html