[REBOL] Newbie puzzled again

[Kai Peters]

   Hi all ~     I don't understand the purpose= of the line I have commented
out in one of Carl's examples from the= CookBook:   http://www.rebol.net=
/cookbook/recipes/0010.html[0]         verify-field:=
func [name face] [       &#160= ; if any
[      &#160= ;   ;
 string? face/text= 
         &#1=&#1=
60;            &=
#160;        &#160=
;    #160 empty? trim/head/tail face/text 
  &#160=&#160=
; ][       &#160=
;     alert reform ["The" name "field is=
required"]      &#160=
;     return false 
      #160=&#160=
; ]       &#160= ; true
  &#16#160 ]  As a matter of fact, it doesn't= work if the
line is left in....     Can someone enlighten= me?   TIA, Kai 
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