I was reading these 2 articles. Why does the wikia one think :e ++ff=dos? Or am I just misunderstanding it?
:e ++ff=unix
:e ++ff=dos
File format - Vim Tips Wiki
Managing/Munging Line-Endings with Vi/Vim | Jeet Sukumaran
vim (note - not the real vi) understands that
means to edit the file again, using DOS line endings file format