221 lines
9 KiB
Org Mode
221 lines
9 KiB
Org Mode
#+PROPERTY: tangle site-lisp/circe-init.el
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#+STARTUP: content
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I used to use ERC mostly because I didn't really use IRC at all and it
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was basically the first IRC client in Emacs that was presented to me,
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it being built-in and all. When I started to use IRC more and wanted
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to customize the way it looks more I was surprised to find that it
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wasn't all that easy. A friend of mine was using Circe and he helped
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me figure out how to get started with customizing Circe the way I
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wanted it. So now I use Circe.
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* Require the needed libraries
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In order to keep compiler warnings to a minimum, require the
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libraries that are used in the configuration of Circe.
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#+BEGIN_SRC emacs-lisp
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(require 'lui)
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(require 'circe)
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(require 's)
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#+END_SRC
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* Clean-up the display of messages
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I once saw a very clean and simple weechat configuration on
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[[https://www.reddit.com/r/unixporn][/r/unixporn]] and really wanted to have something similar. This was
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the start of my disappointment in ERC, I couldn't figure out how to
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change the way messages were printed. With a little help I did find
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out how to do it in Circe.
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First we create a variable to store the length of the longest known
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nick, so we can properly align all messages. This variable should be
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buffer-local because each IRC chat will have different users with
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different length names. We start with a length of ~0~ because we don't
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know what the shortest nick there is going to be.
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#+BEGIN_SRC emacs-lisp
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(defvar oni:circe-longest-nick 0)
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(make-variable-buffer-local 'oni:circe-longest-nick)
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#+END_SRC
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Then we write the function that will print the most important
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messages, the ones people send, including me. Whenever we get a
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message or send a message, we check the length of the nick with the
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last recorded maximum length. If the new nick is longer that any
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previous ones we set this new length as the longest known length and
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adjust =lui-fill-type= accordingly. This ensures that continuation
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lines are indented to the correct column.
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#+BEGIN_SRC emacs-lisp
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(defun oni:circe-say-formatter (&rest keywords)
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(let* ((nick (plist-get keywords :nick))
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(len (length nick)))
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(when (> len oni:circe-longest-nick)
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(setq oni:circe-longest-nick len)
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(setq-local lui-fill-type (make-string (+ len 3) ?\ )))
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(format "%s %s" (s-pad-left oni:circe-longest-nick " " nick)
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(plist-get keywords :body))))
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#+END_SRC
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I use this formatter both for messages I send myself and incoming
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messages, because they should basically look the same.
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#+BEGIN_SRC emacs-lisp
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(setq circe-format-self-say #'oni:circe-say-formatter
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circe-format-say #'oni:circe-say-formatter)
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#+END_SRC
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The rest of the formatting functions are basically the same, except
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they don't need to change the known size of nicks because they don't
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print the nick in the same column, instead they usually print
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something like =***= to indicate that it is a system message and not a
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user message. We do pad whatever they print with the same number of
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spaces to keep them right-justified with the nicks.
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#+BEGIN_SRC emacs-lisp
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(defun oni:circe-action-formatter (&rest keywords)
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(format "%s %s %s" (s-pad-left oni:circe-longest-nick " " "*")
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(plist-get keywords :nick)
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(plist-get keywords :body)))
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(defun oni:circe-server-message-formatter (&rest keywords)
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(format "%s %s" (s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :body)))
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(defun oni:circe-server-join-in-channel-formatter (&rest keywords)
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(format "%s Join: %s (%s) joined %s"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :nick)
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(plist-get keywords :userinfo)
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(plist-get keywords :channel)))
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(defun oni:circe-server-join-formatter (&rest keywords)
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(format "%s %s joined the channel"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :nick)))
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(defun oni:circe-server-quit-formatter (&rest keywords)
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(format "%s %s quit IRC: %s"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :nick)
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(plist-get keywords :reason)))
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(defun oni:circe-server-quit-channel-formatter (&rest keywords)
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(format "%s %s left %s: %s"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :nick)
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(plist-get keywords :channel)
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(plist-get keywords :reason)))
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(defun oni:circe-server-part-formatter (&rest keywords)
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(format "%s %s parted %s: %s"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :nick)
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(plist-get keywords :channel)
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(plist-get keywords :reason)))
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(defun oni:circe-server-nick-change-formatter (&rest keywords)
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(format "%s %s is now known as %s"
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(s-pad-left oni:circe-longest-nick " " "***")
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(plist-get keywords :old-nick)
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(plist-get keywords :new-nick)))
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(setq circe-format-self-action #'oni:circe-action-formatter)
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(setq circe-format-action #'oni:circe-action-formatter)
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(setq circe-format-server-message #'oni:circe-server-message-formatter)
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(setq circe-format-server-join-in-channel
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#'oni:circe-server-join-in-channel-formatter)
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(setq circe-format-server-join #'oni:circe-server-join-formatter)
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(setq circe-format-server-quit #'oni:circe-server-quit-formatter)
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(setq circe-format-server-quit-channel
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#'oni:circe-server-quit-channel-formatter)
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(setq circe-format-server-part #'oni:circe-server-part-formatter)
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(setq circe-format-server-nick-change
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#'oni:circe-server-nick-change-formatter)
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#+END_SRC
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* Automatically join some channels
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I started using IRC because #mowedline was started and I felt
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obligated to join it as I was one of two known Mowedline users at
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the time. So now that's the one I'm usually active in. I do like to
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keep an eye on #emacs from time to time and #ninthfloor in case
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something happens there, though usually not.
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#+BEGIN_SRC emacs-lisp
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(setq circe-network-options
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`(("Freenode"
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:nick "ryuslash"
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:channels ("#emacs" "#mowedline" "#ninthfloor"))))
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#+END_SRC
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* Change the time-stamp
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I use only a small window to view the IRC channel I'm in usually,
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the default format put the time-stamp just a little too far to the
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right and would always cause either line truncation or filling to
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the next line. So I put the time-stamp in the right margin so it's
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always to the right of all messages and no messages can run under
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it, so essentially it has it's own column.
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#+BEGIN_SRC emacs-lisp
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(setq lui-time-stamp-position 'right-margin)
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(setq lui-time-stamp-format "%H:%M")
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#+END_SRC
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Give the right margin just enough room to show the time-stamps, no
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more, no less.
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#+BEGIN_SRC emacs-lisp
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(defun oni:set-circe-margin-width ()
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(setq right-margin-width 5))
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(add-hook 'lui-mode-hook #'oni:set-circe-margin-width)
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#+END_SRC
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* Clean-up the channel buffers further
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When chatting with people in an IRC channel, there really isn't much
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need for any information in the mode-line. This is mostly because
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the channel I'm most active on always has its own window. Visual
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line mode is very handy to have in chats, in case I type very long
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lines. And the =wrap-prefix= is set so that when I do type long lines,
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they are filled nicely to the circe prompt.
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#+BEGIN_SRC emacs-lisp
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(defun oni:remove-mode-line ()
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(setq mode-line-format nil))
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(defun oni:set-circe-prompt-wrap-prefix ()
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(setq wrap-prefix " "))
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(add-hook 'circe-channel-mode-hook #'oni:remove-mode-line)
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(add-hook 'circe-channel-mode-hook #'oni:set-circe-prompt-wrap-prefix)
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(add-hook 'circe-channel-mode-hook 'visual-line-mode)
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#+END_SRC
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* Show #mowedline in a frame without minibuffer
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When I'm chatting on #mowedline I do so in a separate small window.
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This window needs no minibuffer as I do very little actualy Emacsy
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things in it. Just typing a little and reading. So far I only do
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this with #mowedline. In order to specifically show it in a frame
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without a minibuffer I use =display-buffer-alist= to specify how to
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show it. The function called dynamically binds =default-frame-alist=
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to add a =minibuffer= element with the value =nil= (meaning, no
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minibuffer). I can't do this in the regular =default-frame-alist=
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because I want all other frames to show up /with/ a minibuffer. It
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then creates a new frame and switches to the given buffer in it.
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#+BEGIN_SRC emacs-lisp
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(defun oni:display-in-minibufferless-frame (buffer _)
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(let ((default-frame-alist default-frame-alist))
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(push '(minibuffer . nil) default-frame-alist)
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(let ((frame (make-frame)))
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(select-frame frame)
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(switch-to-buffer buffer))))
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(add-to-list 'display-buffer-alist
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'("^\#mowedline$" oni:display-in-minibufferless-frame))
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#+END_SRC
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