[axw99]

How do we create an index with multiple levels of subentries? For example,

Teams
CAS
RAD
HMC
UWMC
TSO

So Teams is the main entry, CAS, RAD, and TSO are subentries. We want HMC
and UWMC to be subentries under RAD. But we keep getting RAD showing as a
main entry rather than a subentry.

Thanks!