From 121073cb725aef9baecaac0cfb6cf3f5a287c4e7 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Wed, 9 Oct 2019 02:04:38 +0530
Subject: email: Return keywords header as a list.

* email/email.scm (parse-email-headers): Return keywords header as a
list of strings.
* tests/email.scm ("keywords header must be a list"): New test.
---
 email/email.scm |  2 ++
 tests/email.scm | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/email/email.scm b/email/email.scm
index 8cb9757..fdd8031 100644
--- a/email/email.scm
+++ b/email/email.scm
@@ -873,6 +873,8 @@ list of header keys and values."
      (disposition . ,post-process-content-disposition)
      (subject . ,(match-lambda* (`(subject ,subject)
                                  `(subject ,(decode-mime-encoded-word subject)))))
+     (keywords . ,(lambda (_ value)
+                    (cons 'keywords (string-split value #\,))))
      (fields . ,(lambda (_ . fields)
                   (add-default-headers (post-process-fields fields))))
      (*text* . ,(lambda (_ value) value))
diff --git a/tests/email.scm b/tests/email.scm
index c82f567..03c3b70 100644
--- a/tests/email.scm
+++ b/tests/email.scm
@@ -365,6 +365,17 @@ copyright =A9")
      (content-transfer-encoding . quoted-printable))
    "copyright �"))
 
+(test-alist= "keywords header must be a list"
+  (parse-email-headers
+   "Keywords: foo, bar
+")
+
+  `((keywords " foo" " bar")
+    (content-type (type . text)
+                  (subtype . plain)
+                  (charset . "utf-8"))
+    (content-transfer-encoding . 7bit)))
+
 (test-equal "parse name-addr email address"
   (parse-email-address "Foo <foo@example.org>")
   '((name . "Foo") (address . "foo@example.org")))
-- 
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