Otherwise the blink timeout is the one used by default in GTK+.
https://bugzilla.gnome.org/show_bug.cgi?id=634697
"Gtk/ButtonImages\0" "gtk-button-images\0"
"Gtk/MenuImages\0" "gtk-menu-images\0"
"Gtk/MenuBarAccel\0" "gtk-menu-bar-accel\0"
+ "Gtk/CursorBlinkTimeout\0" "gtk-cursor-blink-timeout\0"
"Gtk/CursorThemeName\0" "gtk-cursor-theme-name\0"
"Gtk/CursorThemeSize\0" "gtk-cursor-theme-size\0"
"Gtk/ShowInputMethodMenu\0" "gtk-show-input-method-menu\0"
"Gtk/ButtonImages\0" "gtk-button-images\0"
"Gtk/MenuImages\0" "gtk-menu-images\0"
"Gtk/MenuBarAccel\0" "gtk-menu-bar-accel\0"
+ "Gtk/CursorBlinkTimeout\0" "gtk-cursor-blink-timeout\0"
"Gtk/CursorThemeName\0" "gtk-cursor-theme-name\0"
"Gtk/CursorThemeSize\0" "gtk-cursor-theme-size\0"
"Gtk/ShowInputMethodMenu\0" "gtk-show-input-method-menu\0"