Add overlay-arrow-variable-list variable.

diff --git a/etc/NEWS b/etc/NEWS
index 16b55c0be2ad04d51ed4b7e0b672a73c8ba4a5d0..bd3599fd9a31a6b3f00add2d360e10bc217f23fc 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1826,6 +1826,7 @@ a match if part of it has a read-only property.
 configuration files.
 \f
 * Lisp Changes in Emacs 21.4
+
 +++
 ** New face attribute `min-colors' can be used to tailor the face color
 to the number of colors supported by a display, and define the
@@ -1863,6 +1864,18 @@ for displaying the bitmap.
 identifying the current fringe bitmaps in the display line at a given
 buffer position.  A nil value means no bitmap.
 
+** Multiple overlay arrows can now be defined and managed via the new
+variable `overlay-arrow-variable-list'.  It contains a list of
+varibles which contain overlay arrow position markers, including
+the original `overlay-arrow-position' variable.
+
+Each variable on this list may have individual `overlay-arrow-string'
+and `overlay-arrow-bitmap' properties that specify an overlay arrow
+string (for non-window terminals) or fringe bitmap (for window
+systems) to display at the corresponding overlay arrow position.
+If either property is not set, the default `overlay-arrow-string' or
+'overlay-arrow-fringe-bitmap' will be used.
+
 +++
 ** New function `line-number-at-pos' returns line number of current
 line in current buffer, or if optional buffer position is given, line