rfc2047.el (rfc2047-encode-parameter): Doc fix.

emacs-mime.texi (rfc2047): Update description for rfc2047-encode-parameter.

2 files changed, 6 insertions, 12 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index dd54343616b..b85618ae705 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,7 @@
+2010-09-20  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+        * rfc2047.el (rfc2047-encode-parameter): Doc fix.
+
 2010-09-20  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * nnimap.el (nnimap-request-group): Don't select the imap buffer before
diff --git a/lisp/gnus/rfc2047.el b/lisp/gnus/rfc2047.el
index 628423050b9..4fd1086ace0 100644
--- a/lisp/gnus/rfc2047.el
+++ b/lisp/gnus/rfc2047.el
@@ -851,18 +851,8 @@ Point moves to the end of the region."
 
 (defun rfc2047-encode-parameter (param value)
   "Return and PARAM=VALUE string encoded in the RFC2047-like style.
-This is a replacement for the `rfc2231-encode-string' function.
-
-When attaching files as MIME parts, we should use the RFC2231 encoding
-to specify the file names containing non-ASCII characters.  However,
-many mail softwares don't support it in practice and recipients won't
-be able to extract files with correct names.  Instead, the RFC2047-like
-encoding is acceptable generally.  This function provides the very
-RFC2047-like encoding, resigning to such a regrettable trend.  To use
-it, put the following line in your ~/.gnus.el file:
-
-\(defalias 'mail-header-encode-parameter 'rfc2047-encode-parameter)
-"
+This is a substitution for the `rfc2231-encode-string' function, that
+is the standard but many mailers don't support it."
   (let ((rfc2047-encoding-type 'mime)
         (rfc2047-encode-max-chars nil))
     (rfc2045-encode-string param (rfc2047-encode-string value))))