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+\input texinfo.tex
+@setfilename tm-edit-en.info
+@settitle{tm-edit 7.90 Reference Manual (English Version)}
+@titlepage
+@title tm-edit 7.90 Reference Manual (English Version)
+@author MORIOKA Tomohiko <morioka@@jaist.ac.jp>
+@subtitle 1996/10/11
+@end titlepage
+@node Top, Introduction, (dir), (dir)
+@top tm-edit 7.90 Reference Manual (English Version)
+
+@ifinfo
+
+This file documents tm-edit, a MIME composer for GNU Emacs.
+@end ifinfo
+
+@menu
+* Introduction::                What is tm-edit?
+* mime/editor-mode::            
+* single-part operations::      
+* enclosure operation::         
+* other operations of mime/editor-mode::  
+* transfer level::              
+* header::                      Using non-ASCII characters in header
+* PGP::                         
+* Concept Index::               
+* Function Index::              
+* Variable Index::              
+@end menu
+
+@node Introduction, mime/editor-mode, Top, Top
+@chapter What is tm-edit?
+
+@cindex{tm-edit}@strong{tm-edit} is a general MIME composer for GNU
+Emacs.@refill
+
+tm-edit is based on mime.el by UMEDA Masanobu
+<umerin@@mse.kyutech.ac.jp>, who is famous as the author of
+GNUS.  tm-edit expands following points from @file{mime.el}:
+
+@itemize @bullet
+@item
+based on RFC 1521/1522
+@item
+Content-Disposition field (@ref{(tm-en)Content-Disposition}) (RFC 1806)
+supports
+@item
+nested multi-part message (@ref{(tm-en)multipart})
+@item
+PGP (@ref{PGP}) (PGP/MIME (RFC 2015) based on security multipart (RFC
+1847) and application/pgp based on traditional PGP)
+@item
+strength automatic specification for parameter of file type
+@end itemize
+
+
+In tm-MUA (@ref{(tm-en)tm-MUA}), you can edit MIME message easily to use
+tm-edit.
+
+
+@node mime/editor-mode, single-part operations, Introduction, Top
+@chapter mime/editor-mode
+
+@cindex{mime/editor-mode}@strong{mime/editor-mode} is a minor mode to
+compose MIME message.  In this mode, @cindex{tag}@strong{tag} represents
+various kinds of data, you can edit multi part (@ref{(tm-en)multipart})
+message.@refill
+
+There are 2 kinds of tags:
+
+@itemize @bullet
+@item
+ single-part tag
+@item
+ multi-part tag
+@end itemize
+
+single-part tag represents single part, this form is following:
+
+@example
+        --[[TYPE/SUBTYPE;PARAMETERS][ENCODING]
+        OPTIONAL-FIELDS]
+@end example
+
+TYPE/SUBTYPE and PARAMETERS indicates type/subtype and parameters of
+Content-Type field (@ref{(tm-en)Content-Type field}).  TYPE/SUBTYPE is
+required, PARAMETERS is optional.@refill
+
+ENCODING indicates Content-Transfer-Encoding field.  It is optional
+too.@refill
+
+OPTIONAL-FIELDS is to represent another fields except Content-Type field
+and Content-Transfer-Encoding field.@refill
+
+multi-part tags represent multi part (@ref{(tm-en)multipart}).  They
+consist of a pair of @cindex{multi-part beginning tag}@strong{multi-part
+beginning tag} and @cindex{multi-part ending tag}@strong{multi-part
+ending tag}.@refill
+
+multi-part beginning tag's form is following:@refill
+
+@example
+        --<<TYPE>>-@{
+@end example
+
+multi-part ending tag's form is following:@refill
+
+@example
+        --@}-<<TYPE>>
+@end example
+
+A region from multi-part beginning tag to multi-part ending tag is
+called as @cindex{enclosure}@strong{enclosure}.
+
+
+@node single-part operations, enclosure operation, mime/editor-mode, Top
+@chapter single-part operations
+
+Operations to make single-part are following:
+
+@table @kbd
+@item @key{C-c C-x C-t}
+Insert single-part tag indicates text part.
+
+@item @key{C-c C-x C-i}
+Insert file as a MIME attachment.
+
+@item @key{C-c C-x C-e}
+Insert external part.
+
+@item @key{C-c C-x C-v}
+Record audio input until @kbd{C-g} is pressed, and insert as a
+audio part. (It requires /dev/audio in default.)
+
+@item @key{C-c C-x C-y}
+Insert current (mail or news) message. (It is MUA depended.)
+
+@item @key{C-c C-x C-m}
+Insert mail message. (It is MUA depended.)
+
+@item @key{C-c C-x C-w}, @key{C-c C-x C-s}
+Insert signature.
+
+@item @key{C-c C-x C-k}
+Insert PGP (@ref{PGP}) public key. (It requires Mailcrypt package.)
+
+@item @key{C-c C-x t}
+Insert any single-part tag.
+
+@end table
+
+
+
+@node enclosure operation, other operations of mime/editor-mode, single-part operations, Top
+@chapter enclosure operation
+
+Operations to make enclosure are following:
+
+@table @kbd
+@item @key{C-c C-x a}
+Enclose specified region as multipart/alternative.
+
+@item @key{C-c C-x p}
+Enclose specified region as multipart/parallel.
+
+@item @key{C-c C-x m}
+Enclose specified region as multipart/mixed.
+
+@item @key{C-c C-x d}
+Enclose specified region as multipart/digest.
+
+@item @key{C-c C-x s}
+Digital-sign to specified region. (cf. @ref{PGP})
+
+@item @key{C-c C-x e}
+Encrypt to specified region. (cf. @ref{PGP})
+
+@item @key{C-c C-x q}
+avoid to encode tags in specified region.  In other words, tags is
+interpreted as such string.  (In current version, it may be
+incomplete.  Maybe PGP-signature does not work for this enclosure.)
+
+@end table
+
+
+
+@node other operations of mime/editor-mode, transfer level, enclosure operation, Top
+@chapter other operations of mime/editor-mode
+
+There are another operations in mime/editor-mode.
+
+@table @kbd
+@item @key{C-c C-c}
+Send current editing message.
+
+@item @key{C-c C-x C-p}
+Preview current editing message. (@ref{(tm-view-en)mime/viewer-mode})
+
+@item @key{C-c C-x C-z}
+Exit mime/editor-mode. (@key{M-x mime/edit-again} is available to
+reedit.)
+
+@item @key{C-c C-x ?}
+Display help message.
+
+@item @key{C-c C-x /}
+Set current editing message to enable automatic splitting or not.
+Form of automatic split messages is message/partial.
+
+@item @key{C-c C-x 7}
+Set 7bit (@ref{(tm-en)7bit}) to transfer level (@ref{transfer level}).
+
+@item @key{C-c C-x 8}
+Set 8bit (@ref{(tm-en)8bit}) to transfer level (@ref{transfer level}).
+
+@item @key{C-c C-x v}
+Set current editing message to digital-sign or not. (cf. @ref{PGP})
+
+@item @key{C-c C-x h}
+Set current editing message to encrypt or not. (cf. @ref{PGP})
+
+@end table
+
+
+
+@node transfer level, header, other operations of mime/editor-mode, Top
+@chapter transfer level
+
+Contents inserted in a message are represented by 7bit
+(@ref{(tm-en)7bit}), 8bit (@ref{(tm-en)8bit}) or binary
+(@ref{(tm-en)binary}).@refill
+
+If a message is translated by 7bit-through MTA (@ref{(tm-en)MTA}), there
+is no need to encode 7bit data, but 8bit and binary data must be encoded
+to 7bit data.@refill
+
+Similarly, if a message is translated by 8bit-through MTA, there is no
+need to encode 7bit or 8bit data, but binary data must be encoded to
+7bit or 8bit data.@refill
+
+@noindent
+@strong{[Memo]}
+@quotation
+EBCDIC MTA breaks 7bit data, so in this case, 7bit data must be
+encoded by base64.  But I don't know EBCDIC. (^_^;
+
+Similarly, I wish ASCII-printable only MTA and code-conversion MTA
+disappeared. (^_^;@refill
+
+Maybe there are binary-through MTA, but I think it is not major.
+@end quotation
+
+@cindex{transfer level}@strong{transfer level} represents how range data is
+available.  tm-edit has a variable
+@code{mime-editor/transfer-level} to represent transfer level.
+
+
+@defvar mime-editor/transfer-level
+
+transfer level.@refill
+
+If transfer level of a data is over it, a data is encoded to
+7bit.@refill
+
+Currently, 7 or 8 is available.  Default value is 7.@refill
+
+In extension plan, EBCDIC will be 5, ASCII printable only will be 6,
+binary will be 9.  But it will not be implemented.
+@end defvar
+
+
+
+@noindent
+@strong{[Memo]}
+@quotation
+transfer level is only for body, not for header (@ref{header}).  RFC
+1521 extends RFC 822 (@ref{(tm-en)RFC 822}) to use 8bit data in body,
+but it requires to use us-ascii (@ref{(tm-en)us-ascii}) in header.
+@end quotation
+
+
+
+@node header, PGP, transfer level, Top
+@chapter Using non-ASCII characters in header
+
+RFC 1522 (@ref{(tm-en)RFC 1522}) defines representation of non-ASCII
+characters in header.@refill
+
+It is a format called as @cindex{encoded-word}@strong{encoded-word}
+(@ref{(tm-en)encoded-word}), it is available to represent every
+non-ASCII characters by 7bit (@ref{(tm-en)7bit}) to declare MIME charset
+(@ref{(tm-en)MIME charset}).
+
+
+@menu
+* evil setting in header::      If you can not allow encoded-word
+* API about header::            Functions and variables about header
+@end menu
+
+@node evil setting in header, API about header, header, header
+@section If you can not allow encoded-word
+
+It is wrong to use ``raw'' non-ASCII characters in header not to use
+encoded-word.  Because there are various kinds of coded character set
+(@ref{(tm-en)Coded character set}) in the Internet, so we can not
+distinguish them if MIME charset (@ref{(tm-en)MIME charset}) is not
+declared.@refill
+
+For example, we can not distinguish iso-8859-1 (@ref{(tm-en)iso-8859-1})
+and iso-8859-2 (@ref{(tm-en)iso-8859-2}) if MIME charset is not
+declared.@refill
+
+However you can not permit to use encoded-word, please set to
+following variables:
+
+
+@defvar mime/field-encoding-method-alist
+
+Association-list to specify field encoding method.  Its key is
+field-name, value is encoding method.@refill
+
+field-name allows string or @code{t} meaning any fields.@refill
+
+Encoding method allows following: @code{nil} means no-conversion,
+@code{mime} means to convert as encoded-word, symbol represent MIME
+charset means to convert as the coded character set instead of to
+convert as encoded-word.@refill
+
+field-name is searched from string.  If it is not found, @code{t} is
+used.@refill
+
+Default value of @code{mime/field-encoding-method-alist} is
+following:
+
+@lisp
+(("X-Nsubject" . iso-2022-jp-2)
+ ("Newsgroups" . nil)
+ (t            . mime)
+ ))
+@end lisp
+@end defvar
+
+
+In addition, if you want to specify by coded character set instead of
+field, please use @code{mime-eword/charset-encoding-alist}.
+(cf. @ref{API about header})
+
+
+
+@node API about header,  , evil setting in header, header
+@section Functions and variables about header
+
+@deffn{Command} mime/encode-message-header &optional  code-conversion
+
+It translate non-ASCII characters in message header of current buffer
+into network representation, such as encoded-words.@refill
+
+If @var{code-conversion} is non-@code{nil}, field not encoded by
+encoded-word is converted by @code{mime/field-encoding-method-alist}.
+@end deffn
+
+
+@defun mime/encode-field string
+
+It encodes @var{string} into encoded-words as a field.@refill
+
+Long lines are folded.
+@end defun
+
+
+@defun mime-eword/encode-string string  &optional  column mode
+
+It encodes @var{string} into encoded-words.@refill
+
+Long lines are folded.@refill
+
+@var{column} specifies start column.  If it is omitted, 0 is
+used.@refill
+
+@var{mode} specifies where @var{string} is in.  Available values are
+@code{text}, @code{comment}, @code{phrase}.  If it is omitted,
+@code{phrase} is used.
+@end defun
+
+
+@defvar mime-eword/charset-encoding-alist
+
+Association-list of symbol represent MIME charset vs. nil, @code{"B"} or
+@code{"Q"}.@refill
+
+@code{nil} means not to encode as encoded-word.  @code{"B"} means to use
+B-encoding.  @code{"Q"} means to use Q-encoding.
+@end defvar
+
+
+
+@node PGP, Concept Index, header, Top
+@chapter PGP
+
+tm-edit provides PGP encryption, signature and inserting public-key
+features based on @cindex{PGP/MIME}@strong{PGP/MIME}
+(@ref{(tm-en)PGP/MIME}) (RFC 2015) or @cindex{PGP-kazu}@strong{PGP-kazu}
+(@ref{(tm-en)PGP-kazu}) (draft-kazu-pgp-mime-00.txt).@refill
+
+This feature requires pgp command and Mailcrypt package
+(@ref{(mailcrypt)}).@refill
+
+If you want to use this feature, please set @code{pgp-elkins} or
+@code{pgp-kazu} to variable @code{mimed-editor/signing-type} and
+variable @code{mime-editor/encrypting-type}.@refill
+
+If @code{pgp-elkins} is specified, PGP/MIME is used.  If
+@code{pgp-kazu} is specified, PGP-kazu is used.
+
+
+@defvar mime-editor/signing-type
+
+Format of PGP signature.@refill
+
+It allows @code{pgp-elkins} or @code{pgp-kazu}.@refill
+
+Default value is @code{nil}.
+@end defvar
+
+
+@defvar mime-editor/encrypting-type
+
+Format of PGP encryption.@refill
+
+It allows @code{pgp-elkins} or @code{pgp-kazu}.@refill
+
+Default value is @code{nil}.
+@end defvar
+
+
+
+@node Concept Index, Function Index, PGP, Top
+@chapter Concept Index
+
+@printindex cp
+
+@node Function Index, Variable Index, Concept Index, Top
+@chapter Function Index
+
+@printindex fn
+
+@node Variable Index,  , Function Index, Top
+@chapter Variable Index
+
+@printindex vr
+@bye