Simple variable substition ##simple_var##
Simple boolean conditional ##@simple_cond_var##
Yes
#### ##!simple_cond_var##
no
####
##cond_var=block##
Choice conditional ##left?cond_var##
Stay at Left
##center?##
style="text-align:center">Hold Center
##right?##
style="text-align:center">Lean to Right
##*##
style="text-align:center">Dunno what to do with '##cond_var##'
####
####
Iteration ##i:list_var## ##i>block## ####
External blocks ##i:list_var## ##i>ext_block## ####
##v=nest_block##
Choice conditional on ##v.cond##. ##left?v.cond##
Stay at Left
##center?##
style="text-align:center">Hold Center
##right?##
style="text-align:center">Lean to Right
##*##
style="text-align:center">Dunno what to do with '##v.cond##'
####
####
Dot-notation ##i:nestlist_var## ##i>nest_block## ####