      (N1w,),
      (P2w,),
      (N2w,),
      
      (P1w, N0w,),
      (N0w, N1w),
      
      (N0_prefix,),
      (N0_suffix,),
  
      (P1_shape,),
 
</s> remove     (N0w,),
    (P1w,),
    (N1w,),
    (P2w,),
    (N2w,),
 </s> add     (N0W,),
    (P1W,),
    (N1W,),
    (P2W,),
    (N2W,), </s> remove cdef class Span:
    cdef Tokens _seq
    cdef public int start
    cdef public int end


 </s> add  </s> remove     (E0w, E1w),
    (E0w, E1p,),
    (E0p, E1w,),
    (E0p, E1w),
 </s> add     (E0W, E1W),
    (E0W, E1p,),
    (E0p, E1W,),
    (E0p, E1W), </s> remove     (E1w,),
 </s> add     (E1W,), </s> remove     (E0w, N0w),
    (E0c, N0w),
    (E0p, N0w),
 </s> add     (E0W, N0W),
    (E0c, N0W),
    (E0p, N0W),
    (P1W, N0W,),
    (N0W, N1W),
      (N1w,),
      (P2w,),
      (N2w,),
      
    (P1W, N0W,),
    (N0W, N1W),
    (P1W, N0W,),
    (N0W, N1W),
      
      (N0_prefix,),
      (N0_suffix,),
  
      (P1_shape,),
keep keep keep keep replace replace keep keep keep keep keep
 * Move Span class to own file 
spacy/syntax/_parse_features.pyx