From 2f8bc797dcd1add5ed7bf16729ed13bd60805ab8 Mon Sep 17 00:00:00 2001
From: Kevin McCarthy <kevin@8t8.us>
Date: Mon, 6 May 2019 12:37:04 -0700
Subject: [PATCH] Add a test for NULL parameter attribute too.

Just to be sure we don't have any issues with the new continuation
code.  The mutt_set_parameter() code doesn't actively prevent a null
attribute.
---
 sendlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sendlib.c b/sendlib.c
index 6f8b556f..46212a2f 100644
--- a/sendlib.c
+++ b/sendlib.c
@@ -309,7 +309,7 @@ int mutt_write_mime_header (BODY *a, FILE *f)
 
     for (p = a->parameter; p; p = p->next)
     {
-      if (!p->value)
+      if (!(p->attribute && p->value))
 	continue;
 
       param_conts = rfc2231_encode_string (p->attribute, p->value);
-- 
2.40.0