Make the bookmark fringe icon look like a bookmark

* src/fringe.c (large_circle_bits): New variable.
(standard_bitmaps): Add large_circle_bits.

* lisp/fringe.el (fringe-bitmaps): Add 'large-circle'.
(fringe-custom-set-bitmap): New function.

* lisp/cus-edit.el (widget-fringe-bitmap-prompt-value-history): New
variable.
(fringe-bitmap): New widget.

* lisp/bookmark.el (bookmark-set-fringe-mark): Obsolete in favor of...
(bookmark-fringe-mark): ... this.
(bookmark-fringe-mark): Rename this fringe bitmap to...
(bookmark-mark): ... and change it to look like a bookmark.
(bookmark-face): Don't set the ':background' of the face.  Instead,
set ':distant-foreground'.
(bookmark--set-fringe-mark, bookmark--remove-fringe-mark)
(bookmark-store, bookmark--jump-via): Consult the
'bookmark-fringe-mark' option.

* doc/lispref/customize.texi (Simple Types): Document 'fringe-bitmap'
type.

* doc/lispref/display.texi (Fringe Bitmaps): Mention 'large-circle'.

* etc/NEWS: Announce this change (bug#56896).

lisp/fringe.el

@@ -46,6 +46,7 @@
   (let ((bitmaps '(question-mark exclamation-mark
 		   left-arrow right-arrow up-arrow down-arrow
 		   left-curly-arrow right-curly-arrow
+		   large-circle
 		   left-triangle right-triangle
 		   top-left-angle top-right-angle
 		   bottom-left-angle bottom-right-angle
@@ -324,6 +325,17 @@ If BITMAP already exists, the existing definition is replaced."
     ;; The real implementation is in src/fringe.c.
     ))
 
+(defun fringe-custom-set-bitmap (symbol value)
+  "Set SYMBOL to a fringe bitmap VALUE.
+This sets the `fringe' property on SYMBOL to match that of VALUE,
+and then force all windows to be updated on the next redisplay.
+You should use this for the :set parameter for customization
+options to pick a fringe bitmap."
+  (prog1
+      (set symbol value)
+    (put symbol 'fringe (get value 'fringe))
+    (force-window-update)))
+
 (provide 'fringe)
 
 ;;; fringe.el ends here