a=abcde
a[2]=bdef
+unset b
declare -a b[256]
unset c[2]
declare -a d='([1]="" [2]="bdef" [5]="hello world" "test")'
d[9]="ninth element"
-declare -a e[10]=test
+declare -a e[10]=test # this works in post-bash-2.05 versions
declare -a e[10]='(test)'
pass=/etc/passwd