fringe-bitmaps

fringe-bitmaps is a variable defined in `C source code'.
Its value is

(empty-line horizontal-bar vertical-bar hollow-square filled-square hollow-rectangle filled-rectangle right-bracket left-bracket bottom-right-angle bottom-left-angle top-right-angle top-left-angle right-triangle left-triangle right-curly-arrow left-curly-arrow down-arrow up-arrow right-arrow left-arrow exclamation-mark question-mark)

Documentation:
List of fringe bitmap symbols.