Variable: fringes-outside-margins
fringes-outside-margins is a buffer-local variable defined in
buffer.c.
Documentation
Non-nil means to display fringes outside display margins.
A value of nil means to display fringes between margins and buffer text.
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.
Probably introduced at or before Emacs version 22.1.
Source Code
// Defined in /usr/src/emacs/src/buffer.c
DEFVAR_PER_BUFFER ("fringes-outside-margins", &BVAR (current_buffer, fringes_outside_margins),
Qnil,
doc: /* Non-nil means to display fringes outside display margins.
A value of nil means to display fringes between margins and buffer text.
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'. */);