MODMOS's that you get by altering the scale by s - NOT by L-s

It occurred to me, while looking at the MODMOS's of porcupine[7] and
porcupine[8], that sometimes you can MOD an interval by the s step in
the scale itself - not the chroma.

Porcupine[7] and porcupine[8] are so similar that almost any MODMOS
you can think to make to porcupine[7] can be turned into a
porcupine[8] MODMOS just by adding the extra note in. However, in this
case, the porcupine[7] chroma is L-s = ~1\22, which also happens to be
the size of the "small" step in porcupine[8]. So these MODMOS's are
actually built by altering porcupine[8] by the size of the small step
of the scale - e.g. altering by s, NOT by c.

So here's a nomenclature that will enable us to communicate whatever
it is we're talking about:

c_1 = L-s
c_2 = |s - c_1|

etc

but also:

c_0 = s
c_-1 = L

etc

So a MODMOS that's altered by c_1 denotes a "chromatically" altered
MODMOS, except of course for scales like porcupine[7] where the
15-note MOS is more like the chromatic scale, not the 8 note one. We
need a name for these, I think.

-Mike