updated for version 7.3.628
Problem:    ":open" does not allow for a !, which results in a confusing error
            message. (Shawn Wilson)
Solution:   Allow ! on ":open". (Christian Brabandt)
diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index cfe1502..c81a1aa 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -662,7 +662,7 @@
 EX(CMD_nunmenu,		"nunmenu",	ex_menu,
 			EXTRA|TRLBAR|NOTRLCOM|USECTRLV|CMDWIN),
 EX(CMD_open,		"open",		ex_open,
-			RANGE|EXTRA),
+			RANGE|BANG|EXTRA),
 EX(CMD_oldfiles,	"oldfiles",	ex_oldfiles,
 			BANG|TRLBAR|SBOXOK|CMDWIN),
 EX(CMD_omap,		"omap",		ex_map,
diff --git a/src/version.c b/src/version.c
index 8a5054a..c010834 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    628,
+/**/
     627,
 /**/
     626,