Wordlist Histogram [was: What did I do wrong? ]

[Boris 'pi' Piwinger]

David Relson wrote:

[bogoutil -H]
> hapaxes:  ham  375505 (29.72%), spam  443797 (35.12%)
>    pure:  ham  562881 (44.55%), spam  616022 (48.75%)

What is the meaning of pure? Tokens which have been seen
only once for one category, but possibly many times in the
other?

BTW: The option is not in the man page.

pi