: (pp 'declare)
(de declare ("pro" "pro2")
   (setq "gpro" 4)
   (setq "lpro" "pro2") )
-> declare
: (declare 1 2)
-> 2
: "gpro"
-> 4
: "lpro"
-> 2                         # so far it is good.
: (debug 'declare)   # but when i debug. i cannot access value of transient symbol. 
-> T
: (declare 1 2)
(setq "gpro" 4)
! "gpro"
-> "gpro"
! 
(setq "lpro" "pro2")
! "gpro"
-> "gpro"
! (show "gpro")
"gpro" "gpro"
-> "gpro"
! 
-> 2
: "gpro"
-> "gpro"
: "lpro"
-> "lpro"
: (unbug 'declare)
-> T
: (declare 1 2)
-> 2
: "gpro"      # even after i stopped debugging. i still cannot access transient symbol variable. any ideas?
-> "gpro"
: "lpro"
-> "lpro"
: (version)
18.6.28 C
-> (18 6 28)