#define mutt_next_thread(x) _mutt_aside_thread(x,1,0)
#define mutt_previous_thread(x) _mutt_aside_thread(x,0,0)
#define mutt_next_subthread(x) _mutt_aside_thread(x,1,1)
#define mutt_next_thread(x) _mutt_aside_thread(x,1,0)
#define mutt_previous_thread(x) _mutt_aside_thread(x,0,0)
#define mutt_next_subthread(x) _mutt_aside_thread(x,1,1)