[reificator]

> Whitespace is explicit in some (markup) languages, and there's nothing plicitly wrong with that.*

Whitespace is never explicit. It only exists as the gap between other characters. You only perceive its absence.

> If you're trying to do any kind of editing of a (markup) language that relies on sensible indentation with an editor that doesn't understand whitespace then you've probably got bigger problems.

Which is why they should not be used for configuration files.