update.

diff --git a/mime-en.texi b/mime-en.texi
index 3d94875..1f28037 100644 (file)
--- a/mime-en.texi
+++ b/mime-en.texi
@@ -1,13 +1,13 @@
 \input texinfo.tex
 @setfilename mime-en.info
-@settitle{FLIM 1.9 Manual about MIME Features}
+@settitle{FLIM 1.10 Manual about MIME Features}
 @titlepage
-@title FLIM 1.9 Manual about MIME Features
+@title FLIM 1.10 Manual about MIME Features
 @author MORIOKA Tomohiko <morioka@@jaist.ac.jp>
 @subtitle 1998/07/01
 @end titlepage
 @node Top, Introduction, (dir), (dir)
-@top FLIM 1.9 Manual about MIME Features
+@top FLIM 1.10 Manual about MIME Features
 
 @ifinfo
 
@@ -101,8 +101,7 @@ mime-entity.@refill
 If @var{buffer} is omitted, current buffer is used.@refill
 
 @var{type} is representation-type of created
-mime-entity. (cf. @ref{mm-backend})
- Default value is @var{buffer}.
+mime-entity. (cf. @ref{mm-backend}) Default value is @var{buffer}.
 @end defun
 
 
@@ -724,13 +723,13 @@ Content-Transfer-Encoding.
 
 @menu
 * Content-Transfer-Encoding parser::  Parser
-* Region encoder/decoder::      Region encoding/decoding
-* String encoder/decoder::      String encoding/decoding
-* File encoder/decoder::        File encoding/decoding
+* encoder/decoder::             Encoder/decoder
 * Encoding information::        Other utilities
+* mel-backend::                 How to write encoder/decoder module
+* generic function for mel-backend::  How to add encoding/decoding service
 @end menu
 
-@node Content-Transfer-Encoding parser, Region encoder/decoder, Content-Transfer-Encoding, Content-Transfer-Encoding
+@node Content-Transfer-Encoding parser, encoder/decoder, Content-Transfer-Encoding, Content-Transfer-Encoding
 @section Parser
 
 @defun mime-parse-Content-Transfer-Encoding string
@@ -750,8 +749,8 @@ Content-Transfer-Encoding \e$BMs$,B8:_$7$J$$>l9g$O\e(B@var{default-encoding} \e$B$r
 
 
 
-@node Region encoder/decoder, String encoder/decoder, Content-Transfer-Encoding parser, Content-Transfer-Encoding
-@section Region encoding/decoding
+@node encoder/decoder, Encoding information, Content-Transfer-Encoding parser, Content-Transfer-Encoding
+@section Encoder/decoder
 
 @defun mime-encode-region start end encoding
 
@@ -767,105 +766,123 @@ Decode region @var{start} to @var{end} of current buffer using
 @end defun
 
 
-@defvar mime-encoding-method-alist
 
-Alist of encoding vs. corresponding method to encode region.@refill
-
-Each element looks like @code{(STRING . FUNCTION)} or @code{(STRING
-. nil)}.  @var{string} is content-transfer-encoding.  @code{function} is
-region encoder and @code{nil} means not to encode.
-@end defvar
+@defun mime-decode-string string encoding
 
+@var{string} \e$B$r\e(B @var{encoding} \e$B$H$7$FI|9f$7$?7k2L$rJV$7$^$9!#\e(B
+@end defun
 
-@defvar mime-decoding-method-alist
 
-Alist of encoding vs. corresponding method to decode region.@refill
 
-Each element looks like @code{(STRING . FUNCTION)} or @code{(STRING
-. nil)}.  @var{string} is content-transfer-encoding.  @code{function} is
-region decoder and @code{nil} means not to decode.
-@end defvar
+@defun mime-insert-encoded-file filename encoding
 
+Insert file @var{FILENAME} encoded by @var{ENCODING} format.
+@end defun
 
 
-@node String encoder/decoder, File encoder/decoder, Region encoder/decoder, Content-Transfer-Encoding
-@section String encoding/decoding
+@defun mime-write-decoded-region start end filename encoding
 
-@defun mime-decode-string string encoding
+Decode and write current region encoded by @var{encoding} into
+@var{filename}.@refill
 
-@var{string} \e$B$r\e(B @var{encoding} \e$B$H$7$FI|9f$7$?7k2L$rJV$7$^$9!#\e(B
+@var{start} and @var{end} are buffer positions.
 @end defun
 
 
-@defvar mime-string-decoding-method-alist
 
-Alist of encoding vs. corresponding method to decode string.@refill
+@node Encoding information, mel-backend, encoder/decoder, Content-Transfer-Encoding
+@section Other utilities
 
-Each element looks like @code{(STRING . FUNCTION)}.  STRING is
-content-transfer-encoding.  FUNCTION is string decoder.
-@end defvar
+@defun mime-encoding-list &optional  SERVICE
 
+Return list of Content-Transfer-Encoding.@refill
 
+If @var{service} is specified, it returns available list of
+Content-Transfer-Encoding for it.
+@end defun
 
-@node File encoder/decoder, Encoding information, String encoder/decoder, Content-Transfer-Encoding
-@section File encoding/decoding
 
-@defun mime-insert-encoded-file filename encoding
+@defun mime-encoding-alist &optional  SERVICE
 
-Insert file @var{FILENAME} encoded by @var{ENCODING} format.
+Return table of Content-Transfer-Encoding for completion.@refill
+
+If @var{service} is specified, it returns available list of
+Content-Transfer-Encoding for it.
 @end defun
 
 
-@defun mime-write-decoded-region start end filename encoding
 
-Decode and write current region encoded by @var{encoding} into
-@var{filename}.@refill
+@node mel-backend, generic function for mel-backend, Encoding information, Content-Transfer-Encoding
+@section How to write encoder/decoder module
 
-@var{start} and @var{end} are buffer positions.
-@end defun
+@defmac mel-define-method name args  &rest  body
 
+Define @var{name} as a method function of (nth 1 (car (last
+@var{args}))) backend.@refill
 
-@defvar mime-file-encoding-method-alist
+@var{args} is like an argument list of lambda, but (car (last
+@var{args})) must be specialized parameter.  (car (car (last
+@var{args}))) is name of variable and (nth 1 (car (last @var{args}))) is
+name of backend (encoding).@refill
 
-Alist of encoding vs. corresponding method to insert encoded
-file.@refill
+Example:@refill
 
-Each element looks like @code{(STRING . FUNCTION)}.  STRING is
-content-transfer-encoding.  FUNCTION is function to insert encoded file.
-@end defvar
+@lisp
+(mel-define-method mime-write-decoded-region (start end filename
+                                                   (nil "base64"))
+  "Decode and write current region encoded by base64 into FILENAME.
+START and END are buffer positions."
+  (interactive
+   (list (region-beginning) (region-end)
+        (read-file-name "Write decoded region to file: ")))
+  (let ((str (buffer-substring start end)))
+    (with-temp-buffer
+      (insert (decode-base64-string str))
+      (write-region-as-binary (point-min) (point-max) filename)
+      )))
+@end lisp
+@end defmac
 
 
-@defvar mime-file-decoding-method-alist
+@defmac mel-define-method-function spec function
 
-Alist of encoding vs. corresponding method to write decoded region to
-file.@refill
+Set @var{spec}'s function definition to @var{function}.@refill
 
-Each element looks like @code{(STRING . FUNCTION)}.  STRING is
-content-transfer-encoding.  FUNCTION is function to write decoded region
-to file.
-@end defvar
+First element of @var{spec} is service.@refill
 
+Rest of @var{args} is like an argument list of lambda, but (car (last
+@var{args})) must be specialized parameter.  (car (car (last
+@var{args}))) is name of variable and (nth 1 (car (last @var{args}))) is
+name of backend (encoding).@refill
 
+Example:@refill
 
-@node Encoding information,  , File encoder/decoder, Content-Transfer-Encoding
-@section Other utilities
+@lisp
+(mel-define-method-function (mime-encode-string string (nil "base64"))
+                           'encode-base64-string)
+@end lisp
+@end defmac
 
-@defun mime-encoding-list &optional  SERVICE
 
-Return list of Content-Transfer-Encoding.@refill
 
-If @var{service} is specified, it returns available list of
-Content-Transfer-Encoding for it.
-@end defun
+@node generic function for mel-backend,  , mel-backend, Content-Transfer-Encoding
+@section How to add encoding/decoding service
 
+@defmac mel-define-service name &optional  args doc-string
 
-@defun mime-encoding-alist &optional  SERVICE
+Define @var{name} as a service for Content-Transfer-Encodings.@refill
 
-Return table of Content-Transfer-Encoding for completion.@refill
+If @var{args} is specified, @var{name} is defined as a generic function
+for the service.@refill
 
-If @var{service} is specified, it returns available list of
-Content-Transfer-Encoding for it.
-@end defun
+Example:@refill
+
+@lisp
+(mel-define-service encoded-text-encode-string (string encoding)
+  "Encode STRING as encoded-text using ENCODING.
+ENCODING must be string.")
+@end lisp
+@end defmac