You sure?

• Order of entry and exit to blocks is not guaranteed

• Can be dynamically nested, although statically un-nested

• Can we do this relatively, though?

procedure xxx is

a : Integer;

procedure yyy is

b : Float;

begin

…

end yyy;

procedure zzz is

c : Character;

begin

…; yyy; …

end zzz;

begin

…; yyy; …; zzz; …

end;

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