References to, includes from, and redirects to how do i do $$var - double dereferencing a variable

Date Name Who What
2018-06-28 17:36:33 Ask, and it shall be given # 12 AMG reference
2015-10-28 02:15:35 Dereferencing pooryorick reference
2010-06-29 18:30:49 Don't do that AMG reference
2016-01-31 22:43:10 edit_val HJG reference
2021-02-13 08:33:19 Tcl 9.0 WishList tm reference
2016-09-26 08:15:21 Variable Substitution pooryorick reference