.\" $OpenBSD: sub_group.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
.Dd $Mdocdate: July 4 2017 $
.Dt SUBSUP-SUB_GROUP 1
.Os
.Sh NAME
.Nm subsup-sub_group
.Nd grouping of subscripts
.Sh DESCRIPTION
initial text
.EQ
x sub i + x sub j sub 1 + { M sub i } sub j
.EN
final text