+#
+# Force some text to be base64
+#
+
+cat > "$draft" <<EOF
+To: Mr Test <mrtest@example.com>
+cc:
+Fcc: +outbox
+------
+#<text/plain *b64
+This is a test of a message with a shørt line.
+EOF
+
+run_prog mhbuild "$draft"
+
+cat > "$expected" <<EOF
+To: Mr Test <mrtest@example.com>
+cc:
+Fcc: +outbox
+MIME-Version: 1.0
+Content-Type: text/plain; charset="UTF-8"
+Content-Transfer-Encoding: base64
+
+VGhpcyBpcyBhIHRlc3Qgb2YgYSBtZXNzYWdlIHdpdGggYSBzaMO4cnQgbGluZS4NCg==
+EOF
+