diff --git a/src/syntax.c b/src/syntax.c
index 788a9f5aab..aee2d6a305 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -311,7 +311,7 @@ typedef struct state_item
 				       but contained groups */
 
 #ifdef FEAT_CONCEAL
-static int next_seqnr = 0;		/* value to use for si_seqnr */
+static int next_seqnr = 1;		/* value to use for si_seqnr */
 #endif
 
 /*
diff --git a/src/version.c b/src/version.c
index 344c327dde..63577aca0a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    673,
 /**/
     672,
 /**/