documentations:

- added comments
- documented marker struct functions

src/core2/ch/flotsam.c

@@ -259,7 +259,7 @@ void func_8035C8F4(Actor *this){
     sp34 = time_getDelta();
     if(this->state == 0){
         this->marker->unk14_21 = FALSE;
-        this->marker->unk30 = func_8035C8C8;
+        this->marker->actorFreeFunc = func_8035C8C8;
         marker_setCollisionScripts(this->marker, func_8035C6C4, func_8035C6C4, func_8035C6F0);
         local->unk4 = func_80309724(this->position);
         local->pCtrl_8 = NULL;