updated for version 7.3.420
Problem:    "it" and "at" don't work properly with a dash in the tag name.
Solution:   Require a space to match the tag name. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 8f5052b..9f31983 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    420,
+/**/
     419,
 /**/
     418,