updated for version 7.3.660
Problem:    ":help !" jumps to help for ":!".
Solution:   Adjust check for tag header line. (Andy Wokula)
diff --git a/src/tag.c b/src/tag.c
index 4f2426b..34e9c4f 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -1797,7 +1797,7 @@
 	     */
 	    if (state == TS_START)
 	    {
-		if (STRNCMP(lbuf, "!_TAG_", 6) <= 0)
+		if (STRNCMP(lbuf, "!_TAG_", 6) == 0)
 		{
 		    /*
 		     * Read header line.
diff --git a/src/version.c b/src/version.c
index 06afdf2..3851b3f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    660,
+/**/
     659,
 /**/
     658,