Drop Emacs 26.x support
Emacs 27.x has been the stable version of Emacs for nearly a year, and
introduces a litany of bugfixes, performance, and quality-of-life
improvements that significantly reduce Doom's maintenance burden (like
XDG support, early-init.el, image manipulation without imagemagick, a
native JSON library, harfbuzz support, pdumper, and others).
With so many big changes on Doom's horizon, I like having one less (big)
thing to worry about.
Also reverts bb677cf7a (#5232) as it is no longer needed.
This commit is contained in:
Henrik Lissner
parent
ff2d56794e
commit
044a1a5f2b
19 changed files with 58 additions and 326 deletions
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@ -274,16 +274,7 @@ Also adds support for a `:sync' parameter to override `:async'."
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;; TODO Should be fixed upstream
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(let ((default-directory (org-find-library-dir "org-contribdir")))
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(setq org-ditaa-jar-path (expand-file-name "scripts/ditaa.jar")
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org-ditaa-eps-jar-path (expand-file-name "scripts/DitaaEps.jar"))))
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;; NOTE Backported from Emacs 27.1
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;; DEPRECATED Remove when 26.x support is dropped
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(unless EMACS27+
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(defadvice! +org--dont-suppress-window-changes-a (orig-fn &rest args)
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:around #'org-babel-execute:emacs-lisp
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(letf! ((#'current-window-configuration #'ignore)
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(#'set-window-configuration #'ignore))
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(apply orig-fn args)))))
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org-ditaa-eps-jar-path (expand-file-name "scripts/DitaaEps.jar")))))
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(defun +org-init-babel-lazy-loader-h ()
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@ -56,59 +56,11 @@ need:
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* Configuration
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** True-color and italic support
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#+begin_quote
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This advice only applies to Emacs 26.x. True color support is [[https://github.com/emacs-mirror/emacs/commit/7f6153d9563cfe7753083996f59eacc9f4c694df][built into 27.1+
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and newer]].
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#+end_quote
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Emacs 26.3 users should consult [[https://github.com/syl20bnr/spacemacs/wiki/Terminal][the spacemacs wiki]] for details on achieving true
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color support in terminal Emacs.
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(credit goes to [[https://github.com/syl20bnr/spacemacs/wiki/Terminal][the spacemacs wiki]] for this information)
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Create a =xterm-24bit.terminfo= file with the following contents:
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#+BEGIN_SRC text
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xterm-24bit|xterm with 24-bit direct color mode,
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use=xterm-256color,
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sitm=\E[3m,
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ritm=\E[23m,
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setb24=\E[48;2;%p1%{65536}%/%d;%p1%{256}%/%{255}%&%d;%p1%{255}%&%dm,
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setf24=\E[38;2;%p1%{65536}%/%d;%p1%{256}%/%{255}%&%d;%p1%{255}%&%dm,
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#+END_SRC
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#+begin_quote
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WARNING: Make sure you have a newline at end of file otherwise you will get
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errors!
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#+end_quote
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Execute the following command on the command line:
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#+BEGIN_SRC sh
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tic -x -o ~/.terminfo xterm-24bit.terminfo
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#+END_SRC
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Now set your ~$TERM~ variable to ~xterm-24bit~:
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#+BEGIN_SRC sh
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export TERM=xterm-24bit
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#+END_SRC
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SSH might break if your remote machine does not have the same setup, you can
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work around this with the following alias.
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#+BEGIN_SRC sh
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alias ssh="TERM=xterm-256color ssh"
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#+END_SRC
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If you use tmux, you need to make sure you installed a version with truecolor
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support, then add the following lines to your `.tmux.conf`:
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#+BEGIN_SRC conf
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set -g default-terminal "xterm-24bit"
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set -g terminal-overrides ',xterm-24bit:Tc'
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#+END_SRC
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Also, make sure you have utf8 language variables if you want all characters to
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display correctly. For example:
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#+BEGIN_SRC bash
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export LC_ALL=en_US.UTF-8
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export LANG=en_US.UTF-8
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export LANGUAGE=en_US.UTF-8
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#+END_SRC
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Emacs 27.x users don't need todo anything, as true color support is [[https://github.com/emacs-mirror/emacs/commit/7f6153d9563cfe7753083996f59eacc9f4c694df][built into
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27.1+ and newer]].
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* Troubleshooting
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# Common issues and their solution, or places to look for help.
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@ -8,25 +8,20 @@
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(set-popup-rule! "^\\*envrc\\*" :quit t :ttl 0)
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;; I'm avoiding `global-envrc-mode' intentionally, because it has the
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;; potential to run too late in the mode startup process (and after, say,
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;; server hooks that may rely on that local direnv environment).
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(add-hook! 'change-major-mode-after-body-hook
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(defun +direnv-init-h ()
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(unless (or envrc-mode
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(minibufferp)
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(file-remote-p default-directory))
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(condition-case _
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(envrc-mode 1)
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(quit)))))
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;; Ensure these local variables survive major mode changes, so envrc-mode is
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;; only "activated" once per buffer.
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(put 'envrc-mode 'permanent-local t)
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(put 'envrc--status 'permanent-local t)
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(put 'process-environment 'permanent-local t)
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(put 'exec-path 'permanent-local t)
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(put 'eshell-path-env 'permanent-local t)
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;; A globalized minor mode triggers on `after-change-major-mode-hook'
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;; normally, which runs after a major mode's body and hooks. If those hooks do
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;; any initialization work that's sensitive to environmental state set up by
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;; direnv, then you're gonna have a bad time, so I move the trigger to
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;; `change-major-mode-after-body-hook' instead. This runs before said hooks
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;; (but not the body; fingers crossed that no major mode does important env
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;; initialization there).
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(add-hook! 'envrc-global-mode-hook
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(defun +direnv-init-global-mode-earlier-h ()
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(let ((fn #'envrc-global-mode-enable-in-buffers))
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(if (not envrc-global-mode)
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(remove-hook 'change-major-mode-after-body-hook fn)
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(remove-hook 'after-change-major-mode-hook fn)
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(add-hook 'change-major-mode-after-body-hook fn 100)))))
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(defadvice! +direnv--fail-gracefully-a (&rest _)
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"Don't try to use direnv if the executable isn't present."
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@ -183,9 +183,9 @@ instead is more sensible."
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;; and there is a bug preventing Flycheck errors from being shown (the
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;; errors flash briefly and then disappear).
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lsp-ui-sideline-show-hover nil
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;; Some icons don't scale correctly on Emacs 26, so disable them there.
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lsp-ui-sideline-actions-icon ; DEPRECATED Remove later
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(if EMACS27+ lsp-ui-sideline-actions-icon-default)
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;; Re-enable icon scaling (it's disabled by default upstream for Emacs
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;; 26.x compatibility; see emacs-lsp/lsp-ui#573)
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lsp-ui-sideline-actions-icon t
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;; REVIEW Temporarily disabled, due to immense slowness on every
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;; keypress. See emacs-lsp/lsp-ui#613
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lsp-ui-doc-enable nil)
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@ -126,9 +126,7 @@
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(defadvice! +pdf-suppress-large-file-prompts-a (orig-fn size op-type filename &optional offer-raw)
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:around #'abort-if-file-too-large
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(unless (string-match-p "\\.pdf\\'" filename)
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(if offer-raw
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(funcall orig-fn size op-type filename offer-raw)
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(funcall orig-fn size op-type filename)))))
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(funcall orig-fn size op-type filename offer-raw))))
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(use-package! saveplace-pdf-view
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@ -1,92 +0,0 @@
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#+TITLE: ui/fill-column
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#+DATE: August 23, 2020
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#+SINCE: 2.0.9
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#+STARTUP: inlineimages nofold
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* Table of Contents :TOC_3:noexport:
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- [[#description][Description]]
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- [[#maintainers][Maintainers]]
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- [[#module-flags][Module Flags]]
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- [[#plugins][Plugins]]
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- [[#prerequisites][Prerequisites]]
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- [[#features][Features]]
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- [[#configuration][Configuration]]
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- [[#setting-fill-column-globally][Setting fill-column globally]]
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- [[#setting-fill-column-for-the-current-buffer-or-mode][Setting fill-column for the current buffer or mode]]
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- [[#hl-fill-column-only-configuring-the-look-of-the-indicator][(hl-fill-column only) Configuring the look of the indicator]]
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- [[#troubleshooting][Troubleshooting]]
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* Description
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This module provides a fill column indicator to make it obvious when a line
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reaches or surpasses the 80th column. This serves as a reminder to keep lines
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short for accessibility and/or convenience. [[https://www.emacswiki.org/emacs/EightyColumnRule][Read more about this on the Emacs
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Wiki page]].
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#+begin_quote
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This module is deprecated and will be removed once Doom drops Emacs 26.x
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support. This is because the built-in ~display-fill-column-indicator-mode~ (in
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27 and newer) replaces it, and enabling it is a trivial one-liner, which doesn't
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warrant a module: ~(global-display-fill-column-indicator-mode +1)~
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#+end_quote
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** Maintainers
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This module has no dedicated maintainers.
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** Module Flags
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This module provides no flags.
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** Plugins
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+ [[https://github.com/laishulu/hl-fill-column][hl-fill-column]]* (unless Emacs >=27)
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* Prerequisites
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This module has no prerequisites.
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* Features
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The behavior of this module varies slightly depending on your version of Emacs:
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+ In Emacs 26.x, text beyond ~fill-column~ will be highlighted.
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+ In Emacs 27 and newer, a line is drawn down the right side at column 80.
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* Configuration
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** Setting fill-column globally
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This column limit is controlled by the ~fill-column~ variable (default: ~80~).
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This variable is buffer-local, therefore, to change this globally, you must use
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~setq-default~:
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#+BEGIN_SRC emacs-lisp
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(setq-default fill-column 100)
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#+END_SRC
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~hl-fill-column-mode~ (or ~display-fill-column-indicator-mode~ on Emacs 27+)
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must be restarted to see the change.
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** Setting fill-column for the current buffer or mode
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The ~setq-hook!~ convenience macro makes settings ~fill-column~ for a particular
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mode (or modes) easy:
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#+BEGIN_SRC emacs-lisp
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(setq-hook! 'org-mode-hook fill-column 100)
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(setq-hook! 'python-mode-hook fill-column 72)
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(setq-hook! js2-mode fill-column 72)
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(setq-hook! '(ruby-mode rustic-mode python-mode-hook) fill-column 80)
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#+END_SRC
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Any open buffers in these modes must be restarted to see the change.
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** (hl-fill-column only) Configuring the look of the indicator
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To change the appears of hl-fill-column's highlight, change the
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~hl-fill-column-face~ face. Doom provides the ~custom-set-faces!~ macro to help
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you do this:
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#+BEGIN_SRC emacs-lisp
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(custom-set-faces!
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'(hl-fill-column-face :background "red"
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:foreground "blue"
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:inverse-video t))
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#+END_SRC
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See =M-x helpful-function RET custom-set-faces\!= for demos and documentation
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for this macro.
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* TODO Troubleshooting
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@ -1,15 +0,0 @@
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;;; ui/fill-column/autoload.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defalias '+fill-column/toggle
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(if (fboundp 'display-fill-column-indicator-mode)
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#'display-fill-column-indicator-mode ; Emacs 27 only
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(autoload 'hl-fill-column-mode "hl-fill-column" nil t)
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#'hl-fill-column-mode))
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;;;###autoload
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(defalias '+fill-column-enable-h #'+fill-column/toggle)
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;;;###autoload
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(add-hook! '(text-mode-hook prog-mode-hook conf-mode-hook)
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#'+fill-column-enable-h)
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@ -1,6 +0,0 @@
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;; -*- no-byte-compile: t; -*-
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;;; ui/fill-column/packages.el
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;; `hl-fill-column' is only used on Emacs versions before 27
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(unless (fboundp 'display-fill-column-indicator-mode)
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(package! hl-fill-column :pin "5782a91ba0182c4e562fa0db6379ff9dd472856b"))
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