Little Girl:
There are two ways you could hack it:
Hello Little Girl!
Both solutions are very creative. But they both seem to imply that I have to mess my file by having each line start with a tab.
In my case, the whole text which is broken at 72 chars just like in emails, should be centered on a (nearly) empty screen. The source is the same. But the end result looks pretty much like the Reader Mode in Firefox.