VocabularyannotationsSyntax!BROKEN your comment here
Word descriptionTreats the rest of the line after the exclamation point as a code annotation that can be looked up with the 
BROKENs. word.
: foo ( x y z -- w )
    !BROKEN --w-ó()ò-w-- kilroy was here
    + * ;
See alsoBROKENs, 
BROKENs.Definition