The information are extracted from release pages before po4a-gettextize.
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (C)COOL WEB 1998
+.\" ALL RIGHTS RESERVED
+.\" Modified Sun Jun 10 13:27:00 JST 2002
+.\" by MATSUDA Yoh-ichi (matsuda@palnet.or.jp)
+.\" Modified Sun Jul 18 20:27:00 JST 2004
+.\" by MATSUDA Yoh-ichi (yoh@flcl.org)
+.\" Thanks to:
+.\" MIURA Hiroshi <miura@da-cha.org>
+.\" OKANO Takayoshi <kano@na.rim.or.jp>
+.\" HAGA Yasufumi <yasufumi.haga@nifty.com>
+.\"if n .pl +(135i-\n(.pu)
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
+.\" all rights reserved.
+.\" Translated Mon Jun 23 22:53:33 JST 2003
+.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (C)COOL WEB 1998
+.\" ALL RIGHTS RESERVED
+.\" Modified Sun Jun 15 09:07:37 JST 2003
+.\" by MATSUDA Yoh-ichi (yoh@flcl.org)
+.\" References: http://www.jaist.ac.jp/~fjt/procmail.html
+.\"
+.\"if n .pl +(135i-\n(.pu)
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Tue Sep 09 02:25:00 JST 2003
+.\" by MATSUDA Yoh-ichi (yoh@flcl.org)
+.\" References: http://www.jaist.ac.jp/~fjt/procmail.html
+.\"
+.\"if n .pl +(135i-\n(.pu)