#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
recho "A${*:-w}R"
recho "A${*-w}R"
recho "A${*}R"

set -- ""

recho "A${*:-w}R"
recho "A${*-w}R"
recho "A${*}R"

set -- $'\177'

recho "A${*:+w}R"
recho "A${*+w}R"
recho "A${*}R"

recho A${*:+w}R
recho A${*+w}R
recho A${*}R