UTF-8 localeに切り替える

EamcsをUTF-8 localeに設定するのは、比較的簡単だ。

	(if (equal (getenv "LANG") "ja_JP.UTF-8")
	    (progn (set-language-environment "Japanese")
		   (set-default-coding-systems 'utf-8-unix)
		   (set-keyboard-coding-system 'utf-8-unix)
		   (if (not window-system) (set-terminal-coding-system 'utf-8-unix))
		   )
	  (progn (set-language-environment "Japanese")
		(set-default-coding-systems 'euc-japan-unix)
		(set-keyboard-coding-system 'euc-japan-unix)
		(if (not window-system) (set-terminal-coding-system 'euc-japan-unix))
		)