From 2d32e9be668672c110405aa2952ab8adaf374856 Mon Sep 17 00:00:00 2001
From: Curtis Rueden <ctrueden@wisc.edu>
Date: Sat, 18 Dec 2021 14:53:49 -0600
Subject: refactor: handle `$0` according to the Zsh plugin standard (#10518)

For details and rationale, see:
https://zdharma-continuum.github.io/Zsh-100-Commits-Club/Zsh-Plugin-Standard.html

Closes #10518
---
 plugins/emacs/emacs.plugin.zsh | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'plugins/emacs')

diff --git a/plugins/emacs/emacs.plugin.zsh b/plugins/emacs/emacs.plugin.zsh
index 027c7550f..258e57f24 100644
--- a/plugins/emacs/emacs.plugin.zsh
+++ b/plugins/emacs/emacs.plugin.zsh
@@ -13,6 +13,11 @@
 autoload -Uz is-at-least
 is-at-least 24 "${${(Az)"$(emacsclient --version 2>/dev/null)"}[2]}" || return 0
 
+# Handle $0 according to the standard:
+# # https://zdharma-continuum.github.io/Zsh-100-Commits-Club/Zsh-Plugin-Standard.html
+0="${${ZERO:-${0:#$ZSH_ARGZERO}}:-${(%):-%N}}"
+0="${${(M)0:#/*}:-$PWD/$0}"
+
 # Path to custom emacsclient launcher
 export EMACS_PLUGIN_LAUNCHER="${0:A:h}/emacsclient.sh"
 
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