(SMUDGE#) (SEE) (TYPE)
(SMUDGE#) ( -- bit-mask )  
<PFE-SMART>
returns the bit-mask to check if a found word is smudge 
    " my-word" FIND IF >FFA C@ (SMUDGE#) AND 
                       IF ." smudge" THEN ELSE DROP THEN

reference: p4_smudge_bit in ../src/yours.c:0110, export CO (SMUDGE#)