updated for version 7.4.688
Problem:    When "$" is in 'cpo' the popup menu isn't undrawn correctly.
            (Issue 166)
Solution:   When using the popup menu remove the "$".
diff --git a/src/version.c b/src/version.c
index dcecdc4..70f57bc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    688,
+/**/
     687,
 /**/
     686,