From ae688fd185c90ceba7a5bc28c1704e42c69f5306 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 14 Sep 2018 20:53:04 +0530
Subject: quoted-printable: Encode #\= with its ASCII code.

* email/quoted-printable.scm (quoted-printable-encode): Encode #\=
with its ASCII code.
* test/quoted-printable.scm (quoted-printable-encoding of =): Add test
to check for this bug.
---
 email/quoted-printable.scm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'email/quoted-printable.scm')

diff --git a/email/quoted-printable.scm b/email/quoted-printable.scm
index 753d7ae..d119f6a 100644
--- a/email/quoted-printable.scm
+++ b/email/quoted-printable.scm
@@ -80,8 +80,10 @@
             in out
             (put-into-output
              (if (char-set-contains?
-                  (ucs-range->char-set (char->integer #\space)
-                                       (char->integer #\delete))
+                  (char-set-delete
+                   (ucs-range->char-set (char->integer #\space)
+                                        (char->integer #\delete))
+                   #\=)
                   c)
                  (string c)
                  (format #f "=~:@(~2,'0x~)" x))))))))))
-- 
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