Variable: display-fill-column-indicator-column

display-fill-column-indicator-column is a customizable and buffer-local variable defined in xdisp.c.

Documentation

Column for indicator when display-fill-column-indicator is non-nil.

The default value is t which means that the indicator will use the fill-column variable. If it is set to an integer the indicator will be drawn in that column. See Info node (emacs)Displaying Boundaries for details.

This variable was added, or its default value changed, in Emacs 27.1.

View in manual

Source Code

// Defined in /usr/src/emacs/src/xdisp.c
  DEFVAR_LISP ("display-fill-column-indicator-column", Vdisplay_fill_column_indicator_column,
    doc: /* Column for indicator when `display-fill-column-indicator' is non-nil.
The default value is t which means that the indicator
will use the `fill-column' variable.  If it is set to an integer the
indicator will be drawn in that column.
See Info node `Displaying Boundaries' for details.  */);