From b1b2d40a74005efbc4aa09609cc3bea4e2c16410 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sun, 1 Sep 2019 19:23:02 +0000
Subject: [PATCH] AUTORECODE: Do not create value labels when they would be
 empty.

---
 src/language/stats/autorecode.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/language/stats/autorecode.c b/src/language/stats/autorecode.c
index e5ab8070d7..66afb13afa 100644
--- a/src/language/stats/autorecode.c
+++ b/src/language/stats/autorecode.c
@@ -324,9 +324,12 @@ cmd_autorecode (struct lexer *lexer, struct dataset *ds)
           while (len > 0 && recoded_value[len - 1] == ' ')
             recoded_value[--len] = '\0';
 
-	  /* Add value label. */
-	  union value to_val = { .f = items[j]->to };
-	  var_add_value_label (spec->dst, &to_val, recoded_value);
+	  /* Add value label, if it would be nonempty. */
+	  if (len)
+	    {
+	      union value to_val = { .f = items[j]->to };
+	      var_add_value_label (spec->dst, &to_val, recoded_value);
+	    }
 	  free (recoded_value);
 	}
 
-- 
2.30.2