### Description The ability to distinguish tabs vs spaces (or to render tabs and spaces differently) #### Overview There is an ongoing battle between those who use spaces and those who use tabs. In a mixed environment, it would be helpful to be able to distinguish between tabs and spaces. This could be done by rendering each differently. ### Feature checklist Make sure these are completed before closing the issue, with a link to the relevant commit. - [ ] [Feature assurance](https://about.gitlab.com/handbook/product/#feature-assurance) - [ ] Documentation - [ ] Added to [features.yml](https://gitlab.com/gitlab-com/www-gitlab-com/blob/master/data/features.yml)