Fall back to standard use of =package.el=
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Gerard Vermeulen
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@ -19,6 +19,6 @@ org-store-link
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/_minted-README
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/eln-cache
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/elpa-*
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/elpa
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/quelpa
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/var
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89
README.org
89
README.org
@ -112,16 +112,16 @@ Here follows a list of interesting Emacs configurations:
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:CUSTOM_ID: sec:early-init-file
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:END:
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The configuration inhibits enabling of [[info:emacs#Packages][Emacs' package management system]] at
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startup in order to get more control in the [[#sec:package-bootstrapping][Package Bootstrapping]] section.
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Note: src_emacs-lisp[:exports code]{(find-function #'hack-local-variables)}
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#+attr_latex: :options bgcolor=LightGoldenrodYellow
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#+begin_src emacs-lisp :tangle early-init.el
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;;; early-init.el --- user early-init file -*- lexical-binding: t -*-
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;;; Commentary:
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;;; Code:
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(setq package-enable-at-startup nil)
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(setq-default load-prefer-newer t)
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(setq load-prefer-newer t)
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(require 'no-littering nil 'noerror)
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(provide 'early-init)
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;; Emacs looks for "Local variables:" after the last "?\n?\f".
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@ -140,7 +140,7 @@ startup in order to get more control in the [[#sec:package-bootstrapping][Packag
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The [[info:elisp#Quoting][quoting (info)]] and the [[info:elisp#Backquote][backquote (info)]] pages explain how to understand the
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reader macros ~'~ (quote), ~`~ (backquote), ~,~ (substitute) and ~@,~ (splice)
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in the ~custom-set-variable~ function call below. A tutorial of how to use those
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reader macro's is the [[https://mullikine.github.io/posts/macro-tutorial/][didactic emacs-lisp macro example]].
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reader macros is the [[https://mullikine.github.io/posts/macro-tutorial/][didactic emacs-lisp macro example]].
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Because of the ~custom-set-variable~ function call, the [[info:emacs#Init File][init file (info)]] does
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not load the ~custom-file~ as [[info:emacs#Saving Customizations][saving customizations (info)]] recommends.
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@ -156,9 +156,7 @@ not load the ~custom-file~ as [[info:emacs#Saving Customizations][saving customi
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'(after-save-hook #'executable-make-buffer-file-executable-if-script-p)
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'(column-number-mode t)
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'(cursor-type 'box)
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`(custom-file
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,(locate-user-emacs-file
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(format "custom-%s.%s.el" emacs-major-version emacs-minor-version)))
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`(custom-file ,(make-temp-file "emacs-custom-"))
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'(epg-pinentry-mode 'loopback)
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'(global-hl-line-mode t)
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'(global-hl-line-sticky-flag t)
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@ -175,9 +173,27 @@ not load the ~custom-file~ as [[info:emacs#Saving Customizations][saving customi
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'(package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
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("nongnu" . "https://elpa.nongnu.org/nongnu/")
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("melpa" . "https://melpa.org/packages/")))
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`(package-user-dir
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,(locate-user-emacs-file
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(format "elpa-%s.%s" emacs-major-version emacs-minor-version)))
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`(package-selected-packages
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`(
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,@(when (version< emacs-version "28.0")
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'(org)) ; plain text thought organizer
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anaconda-mode ; strangles python-mode
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auctex ; Aalborg University Center TeX
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blacken ; Black Python-code formatter client
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citar ; bibliography handling
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citeproc ; bibliography handling
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company-anaconda ; complete anything in anaconda-mode
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consult ; consult completing-read
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eglot ; Emacs polyGLOT LSP client
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embark ; act on any buffer selection
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htmlize ; convert buffer contents to HTML
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leuven-theme ; beautiful color theme
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marginalia ; minibuffer margin notes
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orderless ; Emacs completion style
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pdf-tools ; interactive docview replacement
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pyenv-mode ; Python environment selector
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quelpa ; install Emacs packages from source
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vertico)) ; VERTical Interactive Completion
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'(python-indent-guess-indent-offset nil)
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'(recentf-mode t)
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'(save-place-mode t)
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@ -223,13 +239,8 @@ archives:
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Finally, the [[https://github.com/quelpa/quelpa][quelpa]] tool allows to fetch code from any source and build a
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package on your computer before installation.
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The output of the byte-compiler may change with each new Emacs release.
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Therefore, in order to prevent collisions between different Emacs versions, the
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package-user-directory has a suffix containing the major- and minor-version
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numbers of Emacs.
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The order of the next 1nd, 2nd, and 3rd package-bootstrapping blocks matters
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because each of those blocks prepares Emacs for the next block.
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The order of the next two package-bootstrapping blocks matters
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because first block prepares Emacs for the second block.
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If present, the package [[https://github.com/emacscollective/no-littering][no-littering]] helps to keep =~/.emacs.d= clean.
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@ -247,14 +258,13 @@ list of packages.
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#+attr_latex: :options bgcolor=LightGoldenrodYellow
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#+begin_src emacs-lisp
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;; The is the 1st package bootstrapping block.
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(require 'package)
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(package-initialize)
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(unless (require 'no-littering nil 'noerror)
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(package-refresh-contents)
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(package-install 'no-littering)
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(require 'no-littering))
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(package-install-selected-packages)
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(defun my-install-packages (packages)
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"Ensure installation of all packages in PACKAGES."
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(dolist (package packages)
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@ -262,46 +272,11 @@ list of packages.
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(package-install package))))
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#+end_src
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Install the basic packages and in case this is Emacs-27.2, upgrade [[https://orgmode.org/][Org Mode]] for
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compatibility with Emacs-28.1. The [[info:elisp#Quoting][quoting (info)]] and the [[info:elisp#Backquote][backquote (info)]]
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pages explain how to understand the reader macros ~'~ (quote), ~`~ (backquote),
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~,~ (substitute) and ~@,~ (splice) in the definition of ~my-packages~ variable
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below.
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#+attr_latex: :options bgcolor=LightGoldenrodYellow
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#+begin_src emacs-lisp
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;; The is the 2nd package bootstrapping block.
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(defvar my-packages
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`(
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,@(when (version< emacs-version "28.0")
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'(org)) ; plain text thought organizer
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anaconda-mode ; strangles python-mode
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auctex ; Aalborg University Center TeX
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blacken ; Black Python-code formatter client
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citar ; bibliography handling
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citeproc ; bibliography handling
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company-anaconda ; complete anything in anaconda-mode
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consult ; consult completing-read
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eglot ; Emacs polyGLOT LSP client
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embark ; act on any buffer selection
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htmlize ; convert buffer contents to HTML
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leuven-theme ; beautiful color theme
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marginalia ; minibuffer margin notes
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orderless ; Emacs completion style
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pdf-tools ; interactive docview replacement
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pyenv-mode ; Python environment selector
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quelpa ; install Emacs packages from source
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vertico) ; VERTical Interactive Completion
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"List of packages required packages.")
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(my-install-packages my-packages)
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#+end_src
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Facilitate installlation of the optional packages.
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#+attr_latex: :options bgcolor=LightGoldenrodYellow
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#+begin_src emacs-lisp
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;; The is the 3rd package bootstrapping block.
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;; The is the 2nd package bootstrapping block.
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(defvar my-optional-packages
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`(
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,@(when (version< emacs-version "28.0")
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