I would assume that setting wrap_width to some value, or having a single ruler of that value would result in word wrapping a paragraph somewhere near that column. This does not happen, no matter what I do, I get wrapping for 80 column.
What do I need to do? This is what I have in my Plain text.sublime-settings.
{
"rulers": [
[50, "stippled", 1],
[72, "stippled", 2],
[80, "dotted", 2],
[100, "solid", 4],
],
"wrap_width": 72,
}