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+* With-Editor
+
+This library makes it possible to reliably use the Emacsclient as
+the ~$EDITOR~ of child processes. It makes sure that they know how
+to call home. For remote processes a substitute is provided, which
+communicates with Emacs on standard output/input instead of using a
+socket as the Emacsclient does.
+
+It provides the commands ~with-editor-async-shell-command~ and
+~with-editor-shell-command~, which are intended as replacements
+for ~async-shell-command~ and ~shell-command~. They automatically
+export ~$EDITOR~ making sure the executed command uses the current
+Emacs instance as "the editor". With a prefix argument these
+commands prompt for an alternative environment variable such as
+~$GIT_EDITOR~. To always use these variants add this to your init
+file:
+
+#+begin_src emacs-lisp
+ (keymap-global-set "<remap> <async-shell-command>"
+ #'with-editor-async-shell-command)
+ (keymap-global-set "<remap> <shell-command>"
+ #'with-editor-shell-command)
+#+end_src
+
+Alternatively use the global ~shell-command-with-editor-mode~,
+which always sets ~$EDITOR~ for all Emacs commands which ultimately
+use ~shell-command~ to asynchronously run some shell command.
+
+The command ~with-editor-export-editor~ exports ~$EDITOR~ or
+another such environment variable in ~shell-mode~, ~eshell-mode~,
+~term-mode~ and ~vterm-mode~ buffers. Use this Emacs command
+before executing a shell command which needs the editor set, or
+always arrange for the current Emacs instance to be used as editor
+by adding it to the appropriate mode hooks:
+
+#+begin_src emacs-lisp
+ (add-hook 'shell-mode-hook 'with-editor-export-editor)
+ (add-hook 'eshell-mode-hook 'with-editor-export-editor)
+ (add-hook 'term-exec-hook 'with-editor-export-editor)
+ (add-hook 'vterm-mode-hook 'with-editor-export-editor)
+#+end_src
+
+Some variants of this function exist, these two forms are
+equivalent:
+
+#+begin_src emacs-lisp
+ (add-hook 'shell-mode-hook
+ (apply-partially 'with-editor-export-editor "GIT_EDITOR"))
+ (add-hook 'shell-mode-hook 'with-editor-export-git-editor)
+#+end_src
+
+This library can also be used by other packages which need to use
+the current Emacs instance as editor. In fact this library was
+written for Magit and its ~git-commit-mode~ and ~git-rebase-mode~.
+Consult ~git-rebase.el~ and the related code in ~magit-sequence.el~
+for a simple example.
+
+#+html: <br><br>
+#+html: <a href="https://github.com/magit/with-editor/actions/workflows/compile.yml"><img alt="Compile" src="https://github.com/magit/with-editor/actions/workflows/compile.yml/badge.svg"/></a>
+#+html: <a href="https://github.com/magit/with-editor/actions/workflows/manual.yml"><img alt="Manual" src="https://github.com/magit/with-editor/actions/workflows/manual.yml/badge.svg"/></a>
+#+html: <a href="https://elpa.nongnu.org/nongnu/with-editor.html"><img alt="NonGNU ELPA" src="https://emacsair.me/assets/badges/nongnu-elpa.svg"/></a>
+#+html: <a href="https://stable.melpa.org/#/with-editor"><img alt="MELPA Stable" src="https://stable.melpa.org/packages/with-editor-badge.svg"/></a>
+#+html: <a href="https://melpa.org/#/with-editor"><img alt="MELPA" src="https://melpa.org/packages/with-editor-badge.svg"/></a>