From dfb61dfceaa72dda477a5433a193da316dccef7f Mon Sep 17 00:00:00 2001
From: Maria Matejka <mq@ucw.cz>
Date: Sun, 26 Jun 2022 14:48:55 +0200
Subject: Fixed undefined attribute handling

---
 nest/rt-attr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'nest')

diff --git a/nest/rt-attr.c b/nest/rt-attr.c
index 35f85274..ed3aaf01 100644
--- a/nest/rt-attr.c
+++ b/nest/rt-attr.c
@@ -727,7 +727,7 @@ ea_do_prune(ea_list *e)
 
       /* Now s0 is the most recent version, s[-1] the oldest one */
       /* Drop undefs unless this is a true overlay */
-      if (s0->undef && !e->next)
+      if (s0->undef && (s[-1].undef || !e->next))
 	continue;
 
       /* Copy the newest version to destination */
@@ -1081,7 +1081,7 @@ ea_show(struct cli *c, const eattr *e)
   *pos++ = ' ';
 
   if (e->undef)
-    bsprintf(pos, "undefined (should not happen)");
+    return;
   else if (cls->format)
     cls->format(e, buf, end - buf);
   else
-- 
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