> I've thought for a while now that a good explanation for this might be a
> combination of (a) an abbreviating private shorthand (which I suspect would
> approach a kind of binomial distribution as the sample-length goes up, but
> probably with a shorter word-length "peak"), and (b) a verbose cipher (to
> move the peak sideways, ie to the right again).
>
> Unfortunately, I know of no sample statistics for (a)-like shorthand texts,
There must be examples of modern shorthand texts,
although I don't know of any in convenient form. I
suppose there are Unicode fonts for Gregg, etc.