ABCL manual

[Mark Evenson]

> On Mar 31, 2022, at 15:10, Jonathan L Cunningham <jlc2 at sofluc.co.uk> wrote:
> 
> Hi,
> 
> The link in the Bibliography [Rho09] appears to have moved, and gives a 403 error. This, similar but different, link appears to be correct:
>    https://research.gold.ac.uk/id/eprint/2344/1/sequences-20070301.pdf

Committed as <https://github.com/armedbear/abcl/pull/480>

Thanks for the updated reference!

-- 
"A screaming comes across the sky.  It has happened before but there is nothing 
to compare to it now."