6ebd90a946
Adds a package that allows Emacs to searching through a projects node_modules executables when resolving a binary like eslint, prettier etc. This was being hacked together before by relying on explicit paths to executables. This is a more durable solution. Also includes some packages related to LSP for Javascript, which I haven't been able to get working yet.
222 lines
6.5 KiB
EmacsLisp
222 lines
6.5 KiB
EmacsLisp
;; functions.el --- Helper functions for my Emacs development -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; This file hopefully contains friendly APIs that making ELisp development more enjoyable.
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;;; Code:
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;; TODO: clean up this file so this isn't necessary
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(setq evil-want-integration nil)
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(require 'evil)
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(require 'projectile)
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(require 'paredit)
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(require 'term)
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(require 'f)
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(require 'yasnippet)
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(require 'ido)
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(defun wpc/evil-window-vsplit-right ()
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(interactive)
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(evil-window-vsplit)
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(windmove-right))
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(defun wpc/evil-window-split-down ()
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(interactive)
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(evil-window-split)
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(windmove-down))
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(defun wpc/reindent-defun-and-align-clojure-map ()
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(interactive)
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(call-interactively #'paredit-reindent-defun)
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(call-interactively #'clojure-align))
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(defun wpc/find-file ()
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"Prefer project-based file-finding if inside of project; otherwise gracefully fallback."
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(interactive)
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(with-current-buffer (current-buffer)
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(if (projectile-project-p)
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(call-interactively #'projectile-find-file)
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(call-interactively #'find-file))))
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(defun wpc/find-or-create-js-test ()
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(->> buffer-file-name
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(s-chop-suffix ".js")
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(s-append ".test.js")
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(find-file)))
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(defun wpc/find-or-create-js-module ()
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(->> buffer-file-name
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(s-chop-suffix ".test.js")
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(s-append ".js")
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(find-file)))
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(defun wpc/find-or-create-js-store ()
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(->> buffer-file-name
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(s-replace "index.js" "store.js")
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(find-file)))
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(defun wpc/find-or-create-js-component ()
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(->> buffer-file-name
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(s-replace "store.js" "index.js")
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(find-file)))
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(defun wpc/bind-ido-keys ()
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"Adds custom KBDs for ido. This function is recommended in the ido source code."
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(define-key ido-completion-map (kbd "<tab>") #'ido-next-match)
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(define-key ido-completion-map (kbd "<backtab>") #'ido-prev-match))
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(defun wpc/toggle-between-js-test-and-module ()
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"Toggle between a Javascript test or module."
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(interactive)
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(if (s-ends-with? ".test.js" buffer-file-name)
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(wpc/find-or-create-js-module)
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(if (s-ends-with? ".js" buffer-file-name)
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(wpc/find-or-create-js-test)
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(message "Not in a Javascript file. Exiting..."))))
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(defun wpc/toggle-between-js-component-and-store ()
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"Toggle between a React component and its Redux store."
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(interactive)
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(if (s-ends-with? "index.js" buffer-file-name)
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(wpc/find-or-create-js-store)
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(if (or (s-ends-with? "store.js" buffer-file-name)
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(s-ends-with? "store.test.js" buffer-file-name))
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(wpc/find-or-create-js-component)
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(message "Not in a React/Redux file. Exiting..."))))
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(defun wpc/read-file-as-string (filename)
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(with-temp-buffer
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(insert-file-contents filename)
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(s-trim (buffer-string))))
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(defun wpc/create-snippet ()
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"Creates a window split and then opens the Yasnippet editor."
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(interactive)
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(evil-window-vsplit)
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(call-interactively #'yas-new-snippet))
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(defun wpc/edit-init-el ()
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"Creates a window split and then edits the init.el file."
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(interactive)
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(evil-window-vsplit)
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(find-file "~/.emacs.d/init.el"))
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(defun wpc/jump-to-parent-file ()
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"Jumps to a React store or component's parent file. Useful for store or index file."
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(interactive)
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(-> buffer-file-name
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f-dirname
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(f-join "..")
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(f-join (f-filename buffer-file-name))
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find-file))
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(defun wpc/tmux-emacs-windmove (dir)
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"Move windows in a Tmux-friendly way."
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(let* ((dir->opts '((left . ("-L" . windmove-left))
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(right . ("-R" . windmove-right))
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(above . ("-U" . windmove-up))
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(below . ("-D" . windmove-down))))
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(opts (alist-get dir dir->opts))
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(tmux-opt (car opts))
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(emacs-fn (cdr opts)))
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(if (window-in-direction dir)
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(funcall emacs-fn)
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(shell-command (format "tmux select-pane %s" tmux-opt)))))
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(defun wpc/tmux-emacs-windmove-left ()
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(interactive)
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(wpc/tmux-emacs-windmove 'left))
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(defun wpc/tmux-emacs-windmove-right ()
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(interactive)
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(wpc/tmux-emacs-windmove 'right))
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(defun wpc/tmux-emacs-windmove-up ()
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(interactive)
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(wpc/tmux-emacs-windmove 'above))
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(defun wpc/tmux-emacs-windmove-down ()
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(interactive)
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(wpc/tmux-emacs-windmove 'below))
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(defun wpc/get-window-by-buffername (buffername)
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"Finds a window by the name of the buffer it's hosting."
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(let ((buffer (get-buffer buffername)))
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(when buffer
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(get-buffer-window buffer))))
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(defun wpc/add-earmuffs (x)
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"Returns X surrounded by asterisks."
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(format "*%s*" x))
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(defun wpc/get-default-shell ()
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(or explicit-shell-file-name
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(getenv "SHELL")
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(getenv "ESHELL")))
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(defun wpc/find-terminal-buffer ()
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(get-buffer (wpc/add-earmuffs wpc/terminal-name)))
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(defun wpc/find-terminal-window ()
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(wpc/get-window-by-buffername (wpc/add-earmuffs wpc/terminal-name)))
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(defun wpc/create-terminal-session ()
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(wpc/evil-window-vsplit-right)
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(ansi-term (wpc/get-default-shell) wpc/terminal-name))
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(defun wpc/toggle-terminal ()
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"Toggles a custom terminal session in Emacs."
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(interactive)
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(let ((window (wpc/find-terminal-window)))
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(if window
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(delete-window window)
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(wpc/find-or-create-terminal))))
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(defun wpc/find-or-create-terminal ()
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(let ((buffer (wpc/find-terminal-buffer)))
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(if buffer
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(display-buffer buffer)
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(wpc/create-terminal-session))))
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(defun wpc/put-file-name-on-clipboard ()
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"Put the current file name on the clipboard"
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(interactive)
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(let ((filename (if (equal major-mode 'dired-mode)
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default-directory
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(buffer-file-name))))
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(when filename
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(with-temp-buffer
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(insert filename)
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(clipboard-kill-region (point-min) (point-max)))
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(message filename))))
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(defun wpc/evil-replace-under-point ()
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"Faster than typing %s//thing/g"
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(interactive)
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(save-excursion
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(evil-ex (concat "%s/\\b" (symbol-name (symbol-at-point)) "\\b/"))))
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(defun wpc/disable-linum-mode ()
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"Convenience function defined to make adding hooks easier without a lambda."
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(linum-mode -1))
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(defun wpc/disable-company-mode ()
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"Convenience function defined to make adding hooks easier without a lambda."
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(company-mode -1))
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(defun wpc/toggle-term-mode ()
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"Toggle between term-line-mode and temr-char-mode."
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(if (term-in-line-mode)
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(term-char-mode)
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(term-line-mode)))
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(defun buffer-dirname ()
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"Return the directory name of the current buffer as a string."
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(->> buffer-file-name
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f-dirname
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f-filename))
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(provide 'functions)
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;;; functions.el ends here
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