A suggestion
If I may, I would like to suggest you to extend your plugin capabilities by adding to it another tick box enabling this very interesting open-source function:
https://github.com/michelf/php-smartypants
https://michelf.ca/projects/php-smar...s/typographer/
The documentation for it is clear and available online. It really would be very useful not only for French language users.
Regards
roger64