+10

Right margin as a vertical line with a configurable line width

Vaughan 12 ár síðan updated by David Foster 12 ár síðan 2
This feature makes it easy to conform to maximum line width conventions, such as limiting lines to no more than 80 characters.
+3
I just discovered that this feature is already present: Look in the menu: View > Ruler

To add rulers by default, just edit the user settings file.