Use native Emacs completion in shell mode

Evaluating INSIDE_EMACS might also be helpful in setting a usable prompt, even if TERM is "dumb".

init.el

@@ -2543,8 +2543,7 @@ eventuelly be set to nil, however)."
               comint-scroll-show-maximum-output t
               comint-completion-addsuffix t
               comint-buffer-maximum-size 100000
-              comint-input-ring-size 5000)
-  :config (add-hook 'comint-output-filter-functions 'comint-strip-ctrl-m))
+              comint-input-ring-size 5000))
 
 (use-package term
   :commands (term-send-string
@@ -2586,7 +2585,15 @@ eventuelly be set to nil, however)."
   :commands (shell)
   :config (progn
             (add-hook 'shell-mode-hook 'ansi-color-for-comint-mode-on)
-            (add-hook 'shell-mode-hook 'with-editor-export-editor)))
+            (add-hook 'comint-output-filter-functions 'comint-strip-ctrl-m)
+            (add-hook 'shell-mode-hook 'with-editor-export-editor)
+
+            ;; We may want to use readline support in bash, don't inhibit this
+            ;; with explicit command line arguments;
+            ;; cf. https://coredumped.dev/2020/01/04/native-shell-completion-in-emacs/
+
+            (setq explicit-bash-args
+                  (delete "--noediting" explicit-bash-args))))
 
 (use-package db-eshell
   :commands (db/run-or-hide-eshell