(rfc2047-encode): Use uppercase letters to specify encodings of

MIME-encoded words, in order to improve interoperability with several
broken MUAs.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index cc003e7..87627bf 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2004-05-12  TSUCHIYA Masatoshi  <tsuchiya@namazu.org>
+
+       * rfc2047.el (rfc2047-encode): Use uppercase letters to specify
+       encodings of MIME-encoded words, in order to improve
+       interoperability with several broken MUAs.
+
 2004-05-07  TSUCHIYA Masatoshi  <tsuchiya@namazu.org>
 
        * mm-view.el (mm-inline-text-html-render-with-w3): Check META

diff --git a/lisp/rfc2047.el b/lisp/rfc2047.el
index 3b4cfda..b9b2e36 100644 (file)
--- a/lisp/rfc2047.el
+++ b/lisp/rfc2047.el
@@ -406,7 +406,7 @@ By default, the region is treated as containing addresses (see
                           'Q))))
         (start (concat
                 "=?" (downcase (symbol-name mime-charset)) "?"
-                (downcase (symbol-name encoding)) "?"))
+                (upcase (symbol-name encoding)) "?"))
         (factor (case mime-charset
                   ((iso-8859-5 iso-8859-7 iso-8859-8 koi8-r) 1)
                   ((big5 gb2312 euc-kr) 2)