In article <YAS.05Feb28194440@kirk.is.tsukuba.ac.jp>,
        yas@is.tsukuba.ac.jp writes:
> tcs って、何ですか?

  コード変換プログラムです。私は、utfとそれ以外との変換に使ってます。
Debianの/usr/doc/tcs/copyrightより:

> This package is now maintained by Frederic Peters <fpeters@debian.org>,
> it was put together by Karl Sackett <krs@debian.org>, from sources
> obtained from:
>        ftp://plan9.att.com/plan9/unixsrc/tcs.shar.Z
(中略)
> * The authors of this software are Rob Pike and Howard Trickey.
> *              Copyright (c) 1992 by AT&T.
> * Permission to use, copy, modify, and distribute this software for any
> * purpose without fee is hereby granted, provided that this entire notice
> * is included in all copies of any software which is or includes a copy
> * or modification of this software and in all copies of the supporting
> * documentation for such software.
> * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
> * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR AT&T MAKE ANY
> * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
> * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
>        - Rob Pike, AT&T Bell Laboratories

というわけで、今となってはちょっと古参のプログラムに属するかな。でも
Rob Pikeが関わっていたのは知らなかった。ちょっと驚き。

                                                nide@ics.nara-wu.ac.jp