bash/tests/new-exp16.sub

HOME=/homes/chet
string=abcdefg
set -- a b c

# verify existing behavior
echo ${string/abc/~}
echo "${string/abc/~}"
echo ${string/abc/"~"}

echo ${string/abc/$notthere}
echo "${string/abc/$notthere}"
echo "${string/abc/"$notthere"}"

echo ${string//?/\$\'&\' } 

echo ${string//?/\& } 
echo "${string//?/\& }"
echo ${string//?/"& "}
echo ${string//?/"\& "}

echo "${string//?/"a "}"
echo "${string//?/"$# "}"

echo ${string/abc/& }
echo "${string/abc/& }"
echo ${string/abc/"& "}

echo ${string/abc/\& }
echo "${string/abc/\& }"
echo ${string/abc/"\& "}
echo ${string/abc/\\& }