Add a test case with non-ASCII message content

test/e2e.ini

@@ -30,7 +30,7 @@ certs: test/certs
 
 [tests]
 # Number of "test-*" sections in this file, describing test cases.
-cases: 9
+cases: 10
 e2e_log: test/logs/e2e.log
 e2e_log_format: %(asctime)s %(pathname)s:%(lineno)d %(levelname)s [%(funcName)s] %(message)s
 e2e_log_datefmt: %Y-%m-%d %H:%M:%S
@@ -90,3 +90,9 @@ descr: Clear text message with inline PGP markers to recipient without a key.
 to: carlos@disposlab
 in: test/msgin/with-markers2clear.msg
 out-not: This message includes inline PGP markers.
+
+[case-10]
+descr: Non-ASCII message
+to: carlos@disposlab
+in: test/msgin/nonascii.msg
+out: ŁĄCZNOŚĆ

test/msgin/nonascii.msg

@@ -0,0 +1,7 @@
+From: Dave <dave@localhost>
+To: Carlos <carlos@localhost>
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+Subject: Test
+
+ŁĄCZNOŚĆ. Zaźółć gęślą jaźń.