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Implement a screenshot command for Message mode

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* doc/misc/message.texi (MIME): Document it.

* lisp/gnus/message.el (message-screenshot-command): New variable.
(message-mode-map): New keystroke and menu item.  Also add
mml-attach-file to the menu.
(message-insert-screenshot): New command.

* lisp/gnus/mml.el (mml-parse-1): Allow having
content-transfer-encoding already in the part, so that we can have
inline base64-encoded binaries in the Message buffers.
This commit is contained in:
Lars Ingebrigtsen 2020-08-05 12:21:35 +02:00
parent c9d550a301
commit a06f41ad2c
4 changed files with 89 additions and 5 deletions
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12
doc/misc/message.texi
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@ -883,6 +883,18 @@ is a list, valid members are @code{type}, @code{description} and
@code{nil}, don't ask for options. If it is @code{t}, ask the user
whether or not to specify options.
@vindex message-screenshot-command
@findex message-insert-screenshot
@cindex screenshots
@kindex C-c C-p
If your system supports it, you can also insert screenshots directly
into the Message buffer. The @kbd{C-c C-p}
(@code{message-insert-screenshot}) command inserts the image into the
buffer as an @acronym{MML} part, and puts an image text property on
top. The @code{message-screenshot-command} variable says what
external command to use to take the screenshot. It defaults to
@code{"import png:-"}, which is an ImageMagick command.
You can also create arbitrarily complex multiparts using the @acronym{MML}
language (@pxref{Composing, , Composing, emacs-mime, The Emacs MIME
Manual}).