Conor M. O'Brien at 2016-04-09 17:35:40:
  Scott, Andy and you talk about his particular formatting; he mentions he doesn't "use conventional sluglines".
Could we see an example of that? Even just a screenshot, or a phone camera pic?
I personally hate the rigidity of some approaches to screenwriting, it can be so mechanistic sometimes. There needs to be a rigour and a discipline, absolutely, but not a straitjacket. 
Personally, my formatting aims for three things:
1) readability
2) correct grammar/spelling
3) consistency
I had one script reviewer lose his nut because I use only one hyphen between the set and day/night (ie. INT. DINER - NIGHT, instead of INT. DINER -- NIGHT.) I found this facetious and irrelevant ("Screw the hyphen, what did you think of the goddamn knife fight!??").
Now, I don't want to start a pointless flame war between format Nazis and free style hippies (I'm personally in the middle), but considering Mr. Friedhof won the frickin' Nicholl then I'd be very interested to see his unconventional approach to sluglines...