Thanks to the following people who have provided advice, errata, and examples for this document.
Paul D. Smith <psmith@BayNetworks.COM> and
Christophe Martin <cmartin@ipnl.in2p3.fr>
both pointed out that I had the quotes the wrong way round in the
bash $PROMPT_COMMAND. Getting them right
means variables are expanded dynamically.
Paul D. Smith <psmith@BayNetworks.COM>
suggested the use of \[...\] in the bash
prompt for embedding non-printing characters.
Christophe Martin <cmartin@ipnl.in2p3.fr>
provided the solution for ksh.
Keith Turner <keith@silvaco.com>
supplied the escape sequences for Sun cmdtool and
shelltool.
Jean-Albert Ferrez <ferrez@dma.epfl.ch>
pointed out some inconsistencies in the use of "PWD"
and "$PWD", and in the use of "\" vs "\\".
Bob Ellison <papillo@hpellis.fc.hp.com> and
Jim Searle <jims@broadcom.com> tested dtterm
on HP-UX.
Teng-Fong Seak <seak@drfc.cad.cea.fr> suggested the
-s option for hostname, use of `pwd`, and
use of echo under csh.
Trilia <trilia@nmia.com> suggested examples
in other languages.
Brian Miller <bmiller@telstra.com.au> supplied the
escape sequences and examples for hpterm.
Lenny Mastrototaro <lenny@click3x.com> explained
the Irix terminals' use of xterm escape sequences.
Paolo Supino <paolo@init.co.il> suggested the use
of \\$ in the bash prompt.