The information are extracted from release pages before po4a-gettextize.
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Jul 27 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Jul 27 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Sep 14 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\" Updated & Modified Tue Feb 24 00:49:45 JST 2004
+.\" by Yuichi SATO <ysato444@yahoo.co.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Sep 14 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Sep 14 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Jul 27 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Jul 27 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 2004 Yuichi SATO
+.\" all rights reserved.
+.\" Translated Tue Feb 24 01:12:40 JST 2004
+.\" by Yuichi SATO <ysato444@yahoo.co.jp>
+.\"
--- /dev/null
+PO4A-HEADER: mode=before; position=^\.TH
+.\"
+.\" Japanese Version Copyright (c) 1999 NAKANO Takeo all rights reserved.
+.\" Translated Tue Sep 14 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
+.\"