- [X] docstring position (same level as function definition, this way, when toggling sexp, we see the docstring too)
  - [X] Simplification of cond statement
  - [ ] Adding some missing tests
  - [ ] Simplifying some code function (removing let when not needed)
  - [X] Adding some missing tests
  - [X] Simplifying some code function (removing let when not needed)
- [X] Some refactoring about:
  - [X] Docstring position (same level as function definition, this way, when toggling sexp, we see the docstring too)
  - [X] Simplification of cond statement
  - [X] Adding some missing tests
  - [X] Simplifying some code function (removing let when not needed)
- [X] Check the scan problem with level 3 (must have been introduced with the refactoring from number to variable level)
- [X] Remove the marker notion and use the identifier in its place (we already use it as marker)
- [X] Fix the :PROPERTIES: font lock (which is not painted as keyword)
- [X] Improve the justify policy (trim the content before computing the justifying) -> There remains erratic behaviour