edge "1/foo%percent" "1/bar%percent"
edge "1/foo+plus" "1/bar+plus"
edge "1/foo-minus" "1/bar-minus"
edge "1/foo@at" "1/bar@at"
graph
node "1/bar%percent" "bar%percent\n1"
node "1/bar+plus" "bar+plus\n1"
node "1/bar-minus" "bar-minus\n1"
node "1/bar@at" "bar@at\n1"
node "1/foo%percent" "foo%percent\n1"
node "1/foo+plus" "foo+plus\n1"
node "1/foo-minus" "foo-minus\n1"
node "1/foo@at" "foo@at\n1"
stop
