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/search.c b/src/search.c
index c9d4b5e..b29551d 100644
--- a/src/search.c
+++ b/src/search.c
@@ -3918,7 +3918,7 @@
 	curwin->w_cursor = old_pos;
 	goto theend;
     }
-    spat = alloc(len + 29);
+    spat = alloc(len + 31);
     epat = alloc(len + 9);
     if (spat == NULL || epat == NULL)
     {
@@ -3927,7 +3927,7 @@
 	curwin->w_cursor = old_pos;
 	goto theend;
     }
-    sprintf((char *)spat, "<%.*s\\>\\%%(\\_[^>]\\{-}[^/]>\\|>\\)\\c", len, p);
+    sprintf((char *)spat, "<%.*s\\>\\%%(\\s\\_[^>]\\{-}[^/]>\\|>\\)\\c", len, p);
     sprintf((char *)epat, "</%.*s>\\c", len, p);
 
     r = do_searchpair(spat, (char_u *)"", epat, FORWARD, (char_u *)"",