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Re: trunk r115036: * lisp/progmodes/ruby-mode.el (ruby-mode-set-encoding


From: Dmitry Gutov
Subject: Re: trunk r115036: * lisp/progmodes/ruby-mode.el (ruby-mode-set-encoding): Use
Date: Fri, 08 Nov 2013 19:58:38 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Bozhidar Batsov <address@hidden> writes:

> ------------------------------------------------------------
> revno: 115036
> revision-id: address@hidden
> parent: address@hidden
> committer: Bozhidar Batsov <address@hidden>
> branch nick: master
> timestamp: Fri 2013-11-08 18:01:55 +0200

> +(defcustom ruby-encoding-magic-comment-style 'ruby

I though we agreed that the default won't change: still Emacs.  AFAIK,
it has the benefit of making sure Emacs uses the specified encoding.

I could be wrong, though.

> +  "The style of the magic encoding comment to use."
> +  :type '(choice
> +          (const :tag "Emacs Style" emacs)
> +          (const :tag "Ruby Style" ruby)
> +          (const :tag "Custom Style" custom))
> +  :group 'ruby)
> +
> +(defcustom ruby-custom-encoding-magic-comment-template "# coding: %s"

The way this template is duplicated below for the `ruby' case doesn't
look too nice.  Since you went ahead with symbol-based customization,
why not drop the "custom" case?

> -                     (insert "# -*- coding: " coding-system " -*-\n"))))
> +                     (let ((encoding-magic-comment-template
> +                            (case ruby-encoding-magic-comment-style
> +                              ('ruby "# coding: %s")
> +                              ('emacs "# -*- coding: %s -*-")
> +                              ('custom 
> ruby-custom-encoding-magic-comment-template))))



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