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-rw-r--r--email/email.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/email/email.scm b/email/email.scm
index fdd8031..9478477 100644
--- a/email/email.scm
+++ b/email/email.scm
@@ -723,6 +723,9 @@ values. The returned headers is a string and body is a bytevector."
(cons field value))
((field . values)
(cons field values))
+ ;; If the Subject header is blank, treat it as having the
+ ;; null string as value.
+ ('subject '(subject . ""))
(_ #f))
fields))