you are really trying to take index of just 3 with 3[2 1 3] hence the need for the ( )
On Wed, 15 Feb 2017 14:14:21 -0600 Xiao-Yong Jin <jinxiaoy...@gmail.com> wrote: > Feature or bug? > > 1 2 3[2 1 3] > RANK ERROR > 1 2 3[2 1 3] > ^^ > )sic > (1 2 3)[2 1 3] > 2 1 3 > >
