--- a/src/graphics.h.in
+++ b/src/graphics.h.in
@@ -2764,6 +2764,8 @@
       // FIXME -- should be kind of string array.
       string_property linestyleorder , "-"
       double_property linewidth , 0.5
+      // FIXME -- should be kind of string array.
+      string_property markerorder , "+o*xsd^vh."
       radio_property minorgridlinestyle , "-|--|{:}|-.|none"
       array_property plotboxaspectratio m , Matrix (1, 3, 1.0)
       radio_property plotboxaspectratiomode , "{auto}|manual"
@@ -3002,7 +3004,7 @@
       color_property color , color_values (0, 0, 0)
       radio_property linestyle , "{-}|--|:|-.|none"
       double_property linewidth , 0.5
-      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h"
+      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h|@"
       color_property markeredgecolor , "{auto}|none"
       color_property markerfacecolor , "auto|{none}"
       double_property markersize , 6
@@ -3298,7 +3300,7 @@
       radio_property erasemode , "{normal}|background|xor|none"
       radio_property linestyle , "{-}|--|:|-.|none"
       double_property linewidth , 0.5
-      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h"
+      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h|@"
       color_property markeredgecolor , "{auto}|none|flat"
       color_property markerfacecolor , "auto|{none}|flat"
       double_property markersize , 6
@@ -3404,7 +3406,7 @@
       color_property edgecolor , color_property (color_values (0, 0, 0), radio_values ("flat|none|interp"))
       radio_property linestyle , "{-}|--|:|-.|none"
       double_property linewidth , 0.5
-      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h"
+      radio_property marker , "{none}|s|o|x|+|.|*|<|>|v|^|d|p|h|@"
       color_property markeredgecolor , "{auto}|none"
       color_property markerfacecolor , "auto|{none}"
       double_property markersize , 6