Commit 0634ea78 authored by Karl Heuer's avatar Karl Heuer
Browse files

(help-with-tutorial): Prefix argument to specify a

language interactively.
parent 82d0954a
......@@ -129,10 +129,17 @@ Commands:
(defun help-with-tutorial ()
"Select the Emacs learn-by-doing tutorial."
(let ((file (expand-file-name "~/TUTORIAL")))
(defun help-with-tutorial (&optional arg)
"Select the Emacs learn-by-doing tutorial.
A tutorial written in the current primary language is selected.
If there's no tutorial in the language, \"TUTORIAL\" is selected.
With arg, users are asked to select language."
(interactive "P")
(let* ((filename
(let ((lang (if arg (read-language-name 'tutorial "Language: ")
(get-language-info lang 'tutorial)))
(file (expand-file-name (concat "~/" filename))))
(if (get-file-buffer file)
(switch-to-buffer (get-file-buffer file))
......@@ -140,7 +147,7 @@ Commands:
(setq buffer-file-name file)
(setq default-directory (expand-file-name "~/"))
(setq buffer-auto-save-file-name nil)
(insert-file-contents (expand-file-name "TUTORIAL" data-directory))
(insert-file-contents (expand-file-name filename data-directory))
(goto-char (point-min))
(search-forward "\n<<")
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