I find ) useful to punctuate code chunks.

~~~:) ; immediate (code_chunk_punctuation_that_does_nothing ~~~

Here is an example:

:i@ (an-n) a:fetch ;

~~~{{   :I@ (an-n) I a:fetch ;   'Index 'Value [ var ] bi@   :lt?-or-gt? hook ;   :pre.min (a-an)     (comparison  &lt? &lt?-or-gt? set-hook       )     (begin_with  #-1 !Index n:MAX !Value dup a:length ) ;   :pre.max (a-an)     (comparison  &gt? &lt?-or-gt? set-hook       )     (begin_with  #-1 !Index n:MIN !Value dup a:length ) ;   :min-or-max (a-nn) [ dup I@ dup @Value lt?-or-gt?     [ !Value I !Index ] [ drop ] choose ] indexed-times     (a-nn drop @Index @Value ) ; ---reveal---  :a:min (a-iv) pre.min min-or-max ;  :a:max (a-iv) pre.max min-or-max ; }} ~~~

```{ #3 #2 #5 #7 #3 } a:min dump-stack nl reset { #3 #2 #5 #7 #3 } a:max dump-stack nl ```