fix(emacs): make `alternate-editor` work for emacs >28

Closes #11441

plugins/emacs/README.md

@@ -25,6 +25,6 @@ The plugin uses a custom launcher (which we'll call here `$EMACS_LAUNCHER`) that
 | e      | `emacs`                                            | Same as emacs alias                                            |
 | te     | `$EMACS_LAUNCHER -nw`                              | Open terminal emacsclient                                      |
 | eeval  | `$EMACS_LAUNCHER --eval`                           | Same as `M-x eval` but from outside Emacs                      |
-| eframe | `emacsclient --alternate-editor "" --create-frame` | Create new X frame                                             |
+| eframe | `emacsclient --alternate-editor="" --create-frame` | Create new X frame                                             |
 | efile  | -                                                  | Print the path to the file open in the current buffer          |
 | ecd    | -                                                  | Print the directory of the file open in the the current buffer |

plugins/emacs/emacs.plugin.zsh

@@ -32,7 +32,7 @@ alias te="$EMACS_PLUGIN_LAUNCHER -nw"
 # same than M-x eval but from outside Emacs.
 alias eeval="$EMACS_PLUGIN_LAUNCHER --eval"
 # create a new X frame
-alias eframe='emacsclient --alternate-editor "" --create-frame'
+alias eframe='emacsclient --alternate-editor="" --create-frame'
 
 # Emacs ANSI Term tracking
 if [[ -n "$INSIDE_EMACS" ]]; then

plugins/emacs/emacsclient.sh

@@ -15,11 +15,11 @@ emacsfun() {
 
   # Only create another X frame if there isn't one present
   if [ -z "$frames" -o "$frames" = nil ]; then
-    emacsclient --alternate-editor "" --create-frame "$@"
+    emacsclient --alternate-editor="" --create-frame "$@"
     return $?
   fi
 
-  emacsclient --alternate-editor "" "$@"
+  emacsclient --alternate-editor="" "$@"
 }
 
 # Adapted from https://github.com/davidshepherd7/emacs-read-stdin/blob/master/emacs-read-stdin.sh