3 ### Expand a list of symbolic references to other lists.
11 eval found=\${set_$name+t}\${set_$name-nil} set=\${set_$name}
13 nil) echo >&2 "$0: no such set \`$name'"; exit 1 ;;
27 eval set_$setname='$(expand "$@")'
32 echo >&2 "Usage: $0 FILE ITEM|:LIST ..."