 --> [ local path prefix ]/state_machine/initial_transitions/sm_mismatched_parents.fpp:2:3
  |
2 |   initial enter S.T
  |   ^^^^^^^^^^^^^^^^^ initial transition of state machine may not go to a state or choice defined in a substate
  |
 ::: [ local path prefix ]/state_machine/initial_transitions/sm_mismatched_parents.fpp:5:5
  |
5 |     state T
  |     ------- transition path goes here

 --> [ local path prefix ]/state_machine/initial_transitions/sm_mismatched_parents.fpp:3:3
  |
3 | /   state S {
4 | |     initial enter T
5 | |     state T
6 | |   }
  | |___^ state S is unreachable

