:
##########################################################################
# Title      :	hilit - highlight text
# Author     :	Heiner Steven <heiner.steven@odn.de>
# Date       :	1994-01-11
# Requires   :	tput
# Category   :	Text Utilities
# SCCS-Id.   :	@(#) hilit	1.2 03/12/19
##########################################################################
# Description
#	The following attributes are recognized:
# 		*reverse*	_underline_
##########################################################################

PN=`basename "$0"`			# program name
VER='1.2'

usage () {
    echo >&2 "$PN - highlight text, $VER (stv '94)
usage: $PN [file ...]

$PN displays text attributes on the terminal, like *bold* and _underline_."
    exit 1
}

msg () {
    for i
    do echo "$PN: $i" >&2
    done
}

fatal () { msg "$@"; exit 1; }

while [ $# -gt 0 ]
do
    case "$1" in
	--)	shift; break;;
	-h)	usage;;
	-*)	usage;;
	*)	break;;			# First file name
    esac
    shift
done

: ${SMSO:="`tput smso`"} ${RMSO:="`tput rmso`"}
: ${SMUL:="`tput smul`"} ${RMUL:="`tput rmul`"}

# Always turn off text attributes at exit.
trap 'echo -n $RMSO$RMUL' 0

sed -e '
    s/^_\([a-zA-Z0-0][a-zA-Z0-0]*\)/'$SMUL'\1/g;
    s/\([ 	][ 	]*\)_\([a-zA-Z0-0][a-zA-Z0-0]*\)/\1'$SMUL'\2/g;
    s/_\([ 	][ 	]*\)/'$RMUL'\1/g;
    s/_\([\.\!\?]*\)$/'$RMUL'\1/g;

    s/^\*\([a-zA-Z0-0][a-zA-Z0-0]*\)/'$SMSO'\1/g;
    s/\([ 	][ 	]*\)\*\([a-zA-Z0-0][a-zA-Z0-0]*\)/\1'$SMSO'\2/g;
    s/\*\([ 	][ 	]*\)/'$RMSO'\1/g;
    s/\*\([\.\!\?]*\)$/'$RMSO'\1/g
' "$@"