I think that you should be able to do the block things in comments that you write on people's project. If you don't get what I mean by block things look below.
<say[this is what i mean by block things ]for(doesn't matter )secs>
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oops that's wrong i meant this sort of thing
<when green flag clicked>
<say[ la di da di da ]for( 6 )secs>
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