Commit c822b44b authored by Karl Heuer's avatar Karl Heuer
Browse files

(help-with-tutorial-alist): New variable.

(help-with-tutorial): Use help-with-tutorial-alist to read a language
name, and also to find the tutorial file for a language.
parent d1782bd8
......@@ -137,19 +137,30 @@ Commands:
(defvar help-with-tutorial-alist
'(("German" . "")
("Korean" . "")
("Japanese" . "")
("Thai" . "")
("English" . "TUTORIAL"))
"Alist mapping language names to their translated Emacs tutorial files.")
(defun help-with-tutorial (&optional arg)
"Select the Emacs learn-by-doing tutorial.
If there is a tutorial version written in the language
of the selected language environment, that version is used.
If there's no tutorial in that language, `TUTORIAL' is selected.
With arg, you are asked to select which language."
With arg, you are asked to choose which language."
(interactive "P")
(let (lang filename file)
(if arg
(or (setq lang (read-language-name 'tutorial "Language: "))
(error "No tutorial file of the specified language"))
(or (setq lang
(let* ((completion-ignore-case t))
(completing-read "Language: " help-with-tutorial-alist
nil t)))
(error "No tutorial file in language"))
(setq lang current-language-environment))
(setq filename (or (get-language-info lang 'tutorial)
(setq filename (or (cdr (assoc lang help-with-tutorial-alist))
(setq file (expand-file-name (concat "~/" filename)))
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