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-rw-r--r--email/email.scm9
-rw-r--r--tests/email.scm15
2 files changed, 23 insertions, 1 deletions
diff --git a/email/email.scm b/email/email.scm
index 2c4178e..f276019 100644
--- a/email/email.scm
+++ b/email/email.scm
@@ -605,7 +605,14 @@ values. The returned headers is a string and body is a bytevector."
(call-with-port
(open-bytevector-input-port email)
(lambda (port)
- (set-port-encoding! port "us-ascii")
+ ;; Email headers must strictly be ASCII characters. But for the
+ ;; sake of supporting Emacs message mode parens style addresses
+ ;; that may use non-ASCII characters, typically for the full
+ ;; name, we relax this requirement. We assume an encoding of
+ ;; UTF-8, and hope that everything turns out fine. Since UTF-8
+ ;; is a superset of ASCII, this should not affect standards
+ ;; conforming headers.
+ (set-port-encoding! port "utf-8")
(let ((headers (read-while port get-line-with-delimiter
(lambda (line)
(not (or (string= line "\n")
diff --git a/tests/email.scm b/tests/email.scm
index 530cb8b..8aa9082 100644
--- a/tests/email.scm
+++ b/tests/email.scm
@@ -282,6 +282,21 @@ foo
foo
" "utf-8")))
+(test-equal "tolerate non-ascii characters in headers"
+ (parse-email
+ (string->bytevector
+ "From: foo@bar.org (Foo Bãr)
+
+body" "utf-8"))
+ (make-email
+ `((content-type (type . text)
+ (subtype . plain)
+ (charset . "utf-8"))
+ (content-transfer-encoding . 7bit)
+ (from ((name . "Foo Bãr")
+ (address . "foo@bar.org"))))
+ "body"))
+
(test-equal "parse name-addr email address"
(parse-email-address "Foo <foo@example.org>")
'((name . "Foo") (address . "foo@example.org")))