236 lines
8.1 KiB
EmacsLisp
236 lines
8.1 KiB
EmacsLisp
;;; core/autoload/text.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defun doom-surrounded-p (pair &optional inline balanced)
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"Returns t if point is surrounded by a brace delimiter: {[(
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If INLINE is non-nil, only returns t if braces are on the same line, and
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whitespace is balanced on either side of the cursor.
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If INLINE is nil, returns t if the opening and closing braces are on adjacent
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lines, above and below, with only whitespace in between."
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(when pair
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(let ((beg (plist-get pair :beg))
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(end (plist-get pair :end))
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(pt (point)))
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(when (and (> pt beg) (< pt end))
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(when-let* ((cl (plist-get pair :cl))
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(op (plist-get pair :op)))
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(and (not (string= op ""))
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(not (string= cl ""))
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(let ((nbeg (+ (length op) beg))
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(nend (- end (length cl))))
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(let ((content (buffer-substring-no-properties nbeg nend)))
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(and (string-match-p (format "[ %s]*" (if inline "" "\n")) content)
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(or (not balanced)
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(= (- pt nbeg) (- nend pt))))))))))))
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;;
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;; Commands
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(defvar doom--last-backward-pt most-positive-fixnum)
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;;;###autoload
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(defun doom/backward-to-bol-or-indent ()
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"Jump between the indentation column (first non-whitespace character) and the
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beginning of the line. The opposite of
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`doom/forward-to-last-non-comment-or-eol'."
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(interactive)
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(let ((pt (point)))
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(cl-destructuring-bind (bol . bot)
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(save-excursion
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(beginning-of-visual-line)
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(cons (point)
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(progn (skip-chars-forward " \t\r")
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(point))))
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(cond ((> pt bot)
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(goto-char bot))
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((= pt bol)
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(goto-char (min doom--last-backward-pt bot))
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(setq doom--last-backward-pt most-positive-fixnum))
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((<= pt bot)
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(setq doom--last-backward-pt pt)
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(goto-char bol))))))
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(defvar doom--last-forward-pt -1)
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;;;###autoload
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(defun doom/forward-to-last-non-comment-or-eol ()
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"Jumps between the last non-blank, non-comment character in the line and the
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true end of the line. The opposite of `doom/backward-to-bol-or-indent'."
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(interactive)
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(let ((eol (if (not visual-line-mode)
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(line-end-position)
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(save-excursion (end-of-visual-line) (point)))))
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(if (or (and (< (point) eol)
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(sp-point-in-comment))
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(not (sp-point-in-comment eol)))
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(if (= (point) eol)
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(progn
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(goto-char doom--last-forward-pt)
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(setq doom--last-forward-pt -1))
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(setq doom--last-forward-pt (point))
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(goto-char eol))
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(let* ((bol (save-excursion (beginning-of-visual-line) (point)))
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(boc (or (save-excursion
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(if (not comment-use-syntax)
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(progn
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(goto-char bol)
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(when (re-search-forward comment-start-skip eol t)
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(or (match-end 1) (match-beginning 0))))
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(goto-char eol)
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(while (and (sp-point-in-comment)
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(> (point) bol))
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(backward-char))
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(skip-chars-backward " " bol)
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(point)))
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eol)))
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(when (> doom--last-forward-pt boc)
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(setq boc doom--last-forward-pt))
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(if (or (= eol (point))
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(> boc (point)))
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(progn
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(goto-char boc)
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(setq doom--last-forward-pt -1))
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(setq doom--last-forward-pt (point))
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(goto-char eol))))))
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;;;###autoload
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(defun doom/dumb-indent ()
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"Inserts a tab character (or spaces x tab-width)."
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(interactive)
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(if indent-tabs-mode
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(insert "\t")
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(let* ((movement (% (current-column) tab-width))
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(spaces (if (= 0 movement) tab-width (- tab-width movement))))
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(insert (make-string spaces ? )))))
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;;;###autoload
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(defun doom/dumb-dedent ()
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"Dedents the current line."
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(interactive)
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(if indent-tabs-mode
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(call-interactively #'backward-delete-char)
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(unless (bolp)
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(save-excursion
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(when (> (current-column) (current-indentation))
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(back-to-indentation))
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(let ((movement (% (current-column) tab-width)))
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(delete-char
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(- (if (= 0 movement)
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tab-width
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(- tab-width movement)))))))))
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;;;###autoload
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(defun doom/backward-kill-to-bol-and-indent ()
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"Kill line to the first non-blank character. If invoked again
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afterwards, kill line to beginning of line."
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(interactive)
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(let ((empty-line-p (save-excursion (beginning-of-line)
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(looking-at-p "[ \t]*$"))))
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(funcall (if (fboundp 'evil-delete)
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#'evil-delete
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#'delete-region)
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(point-at-bol) (point))
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(unless empty-line-p
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(indent-according-to-mode))))
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;;;###autoload
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(defun doom/retab (arg &optional beg end)
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"Converts tabs-to-spaces or spaces-to-tabs within BEG and END (defaults to
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buffer start and end, to make indentation consistent. Which it does depends on
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the value of `indent-tab-mode'.
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If ARG (universal argument) is non-nil, retab the current buffer using the
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opposite indentation style."
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(interactive "Pr")
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(unless (and beg end)
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(setq beg (point-min)
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end (point-max)))
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(let ((indent-tabs-mode (if arg (not indent-tabs-mode) indent-tabs-mode)))
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(if indent-tabs-mode
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(tabify beg end)
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(untabify beg end))))
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;;;###autoload
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(defun doom/delete-trailing-newlines ()
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"Trim trailing newlines.
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Respects `require-final-newline'."
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(interactive)
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(goto-char (point-max))
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(skip-chars-backward " \t\n\v")
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(when (looking-at "\n\\(\n\\|\\'\\)")
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(forward-char 1))
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(when require-final-newline
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(unless (bolp)
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(insert "\n")))
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(when (looking-at "\n+")
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(replace-match "")))
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;;;###autoload
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(defun doom/dos2unix ()
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"Convert the current buffer to a Unix file encoding."
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(interactive)
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(set-buffer-file-coding-system 'undecided-unix nil))
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;;;###autoload
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(defun doom/unix2dos ()
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"Convert the current buffer to a DOS file encoding."
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(interactive)
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(set-buffer-file-coding-system 'undecided-dos nil))
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;;;###autoload
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(defun doom/toggle-indent-style ()
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"Switch between tabs and spaces indentation style in the current buffer."
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(interactive)
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(setq indent-tabs-mode (not indent-tabs-mode))
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(message "Indent style changed to %s" (if indent-tabs-mode "tabs" "spaces")))
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(defvar editorconfig-lisp-use-default-indent)
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;;;###autoload
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(defun doom/set-indent-width (width)
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"Change the indentation size to WIDTH of the current buffer."
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(interactive
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(list (if (integerp current-prefix-arg)
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current-prefix-arg
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(read-number "New indent size: "))))
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(setq tab-width width)
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(setq-local standard-indent width)
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(when (boundp 'evil-shift-width)
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(setq evil-shift-width width))
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(cond ((require 'editorconfig nil t)
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(let (editorconfig-lisp-use-default-indent)
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(editorconfig-set-indentation nil width)))
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((require 'dtrt-indent nil t)
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(when-let (var (nth 2 (assq major-mode dtrt-indent-hook-mapping-list)))
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(doom-log "Updated %s = %d" var width)
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(set var width))))
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(message "Changed indentation to %d" width))
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;;
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;; Hooks
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;;;###autoload
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(defun doom-enable-delete-trailing-whitespace-h ()
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"Enables the automatic deletion of trailing whitespaces upon file save.
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i.e. enables `ws-butler-mode' in the current buffer."
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(ws-butler-mode +1))
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;;;###autoload
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(defun doom-disable-delete-trailing-whitespace-h ()
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"Disables the automatic deletion of trailing whitespaces upon file save.
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i.e. disables `ws-butler-mode' in the current buffer."
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(ws-butler-mode -1))
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;;;###autoload
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(defun doom-enable-show-trailing-whitespace-h ()
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"Enable `show-trailing-whitespace' in the current buffer."
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(setq-local show-trailing-whitespace t))
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;;;###autoload
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(defun doom-disable-show-trailing-whitespace-h ()
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"Disable `show-trailing-whitespace' in the current buffer."
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(setq-local show-trailing-whitespace nil))
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