1*ac2a7c1bSSadaf Ebrahimi[ 2*ac2a7c1bSSadaf Ebrahimi"double 3*ac2a7c1bSSadaf Ebrahimi quoted", 'single 4*ac2a7c1bSSadaf Ebrahimi quoted', 5*ac2a7c1bSSadaf Ebrahimiplain 6*ac2a7c1bSSadaf Ebrahimi text, [ nested ], 7*ac2a7c1bSSadaf Ebrahimisingle: pair , 8*ac2a7c1bSSadaf Ebrahimi] 9