SPLIT-NEXT-LINE SPAN SPY' :
SPLIT-NEXT-LINE
* SPLIT-NEXT-LINE ( src . -- src' . str len )

Split the next line from the string. 
 : SPLIT-NEXT-LINE 
    2DUP #EOL-CHAR SCAN  
    DUP >R  1 /STRING  2SWAP R> - ;
FIXME: inform Neil Bawd that this is probably
not what he wanted. replace /STRING with /SPLIT here.

toolbelt ordinary primitive