range 7 offs=4 shift=6 mask=7 down=3 delta=1 start=0
Array
(
    [0] => markend 
    [1] => istrings 
    [2] => noeat 
    [3] => buffer 
    [4] => recolormark 
    [5] => strings 
    [6] => recolor=
    [7] => mark 
)
n=1; v=0;
  n += (c ^ v) + 4;
  v += 6;
switch(((n) >> 3) & 7)
range 7 offs=6 shift=2 mask=7 down=3 delta=2 start=0
Array
(
    [0] => recolormark 
    [1] => noeat 
    [2] => recolor=
    [3] => mark 
    [4] => strings 
    [5] => markend 
    [6] => istrings 
    [7] => buffer 
)
n=2; v=0;
  n += (c ^ v) + 6;
  v += 2;
switch(((n) >> 3) & 7)