right-fringe-width
right-fringe-width is a variable defined in `
C source code
'.
Its value is
nil
- Automatically becomes buffer-local when set.
Documentation:
Width of this buffer's right fringe (in pixels).
A value of 0 means no right fringe is shown in this buffer's window.
A value of nil means to use the right fringe width from the window's frame.
Setting this variable does not take effect until a new buffer is displayed
in a window. To make the change take effect, call `set-window-buffer'.