Add new translation and activate it:
1.9 -> 1.18 articles/Makefile
(new) -> 1.1 articles/contributors/Makefile
(new) -> 1.24 articles/contributors/article.sgml
Submitted by: Shun SUZUKI <si006@ccm.gs.niigata-u.ac.jp>
References: [doc-jp 8372]